blitz_stable: src/org/dancres/blitz/disk/Disk.java annotate

annotate src/org/dancres/blitz/disk/Disk.java @ 8:fa7203ea1622

Remove some dead code (Dave Brosius)

author	Dan Creswell <dan.creswell@gmail.com>
date	Sat, 23 May 2009 11:27:41 +0100
parents	3dc0c5604566
children

rev	line source
0 3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	1 package org.dancres.blitz.disk;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	2
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	3 import java.io.File;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	4 import java.io.InputStream;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	5 import java.io.IOException;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	6 import java.io.RandomAccessFile;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	7
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	8 import java.nio.channels.FileChannel;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	9 import java.nio.channels.FileLock;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	10
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	11 import java.util.List;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	12 import java.util.ArrayList;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	13 import java.util.Iterator;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	14 import java.util.Properties;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	15
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	16 import java.util.logging.*;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	17
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	18 import net.jini.config.ConfigurationException;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	19
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	20 import com.sleepycat.je.Environment;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	21 import com.sleepycat.je.EnvironmentConfig;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	22 import com.sleepycat.je.DatabaseConfig;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	23 import com.sleepycat.je.TransactionConfig;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	24 import com.sleepycat.je.Transaction;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	25 import com.sleepycat.je.Database;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	26 import com.sleepycat.je.DatabaseException;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	27 import com.sleepycat.je.LockStats;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	28 import com.sleepycat.je.EnvironmentStats;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	29 import com.sleepycat.je.StatsConfig;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	30
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	31 import org.dancres.blitz.Logging;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	32
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	33 import org.dancres.blitz.config.ConfigurationFactory;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	34 import org.dancres.util.NumUtil;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	35
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	36 /**
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	37 This class is responsible for managing the underlying BerkeleyDB
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	38 infrastructure. Anyone using this class to create/manipulate databases
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	39 should likely be registered as a Syncable instance so that it is aware
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	40 of requests for synchronization and closure of databases.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	41 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	42 public class Disk {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	43 private static Environment theEnv;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	44 // private static TransactionConfig theTxnConfig;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	45
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	46 private static String theLocation;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	47 private static long theDbCacheSize;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	48 private static int theMaxTxns;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	49 private static int maxDbLog;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	50 private static int maxLogIteratorBuffer;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	51 private static int maxLogBuffers;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	52 private static int maxLogBufferBytes;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	53 private static int maxNodeEntries;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	54
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	55 private static RandomAccessFile theLockFile;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	56 private static FileChannel theLockChannel;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	57 private static FileLock theLock;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	58
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	59 private static List theDbs;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	60
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	61 private static boolean isTransient;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	62
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	63 static Logger theLogger =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	64 Logging.newLogger("org.dancres.blitz.disk.Disk");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	65
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	66 private static List theSyncTasks = new ArrayList();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	67
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	68 static {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	69 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	70 theLocation =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	71 (String) ConfigurationFactory.getEntry("persistDir",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	72 String.class);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	73
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	74 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	75 String myNewCacheForm =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	76 ((String) ConfigurationFactory.getEntry("dbCache",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	77 String.class,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	78 new Long(1024 * 1024).toString()));
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	79
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	80 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	81 theDbCacheSize = NumUtil.convertToBytes(myNewCacheForm);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	82 } catch (IllegalArgumentException anIE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	83 theLogger.log(Level.SEVERE, "Failed to parse cache size",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	84 anIE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	85 throw new Error("Cannot start - failed to parse cace size");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	86 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	87
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	88 } catch (ConfigurationException aCE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	89 // Ignore it for now and try the old format
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	90 //
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	91 theDbCacheSize =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	92 ((Long) ConfigurationFactory.getEntry("dbCache",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	93 long.class,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	94 new Long(1024 * 1024))).longValue();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	95 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	96
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	97 theMaxTxns =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	98 ((Integer) ConfigurationFactory.getEntry("maxDbTxns",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	99 int.class,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	100 new Integer(256))).intValue();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	101
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	102 maxDbLog =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	103 ((Integer) ConfigurationFactory.getEntry("maxDbLog",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	104 int.class,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	105 new Integer(10000000))).intValue();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	106
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	107 maxLogIteratorBuffer =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	108 ((Integer) ConfigurationFactory.getEntry("maxLogIteratorBuff",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	109 int.class,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	110 new Integer(1024))).intValue();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	111
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	112 maxLogBuffers =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	113 ((Integer) ConfigurationFactory.getEntry("maxLogBuffers",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	114 int.class,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	115 new Integer(5))).intValue();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	116
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	117 maxLogBufferBytes =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	118 ((Integer) ConfigurationFactory.getEntry("maxLogBufferBytes",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	119 int.class,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	120 new Integer(4620000))).intValue();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	121
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	122 maxNodeEntries =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	123 ((Integer) ConfigurationFactory.getEntry("maxNodeEntries",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	124 int.class,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	125 new Integer(128))).intValue();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	126
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	127 theLogger.log(Level.INFO, "Max txns: " + theMaxTxns);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	128 theLogger.log(Level.INFO, "DbCache: " + theDbCacheSize);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	129 } catch (Exception anE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	130 theLogger.log(Level.SEVERE, "Couldn't get Disk config",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	131 anE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	132 throw new Error("Disk didn't start", anE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	133 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	134 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	135
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	136 public static void setTransient(boolean transientDisk) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	137 isTransient = transientDisk;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	138 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	139
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	140 public static void init() {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	141 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	142 new File(theLocation).mkdirs();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	143
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	144 lockLocation();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	145
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	146 Properties myDbProps = new Properties();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	147
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	148 InputStream myPropsStream =
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	149 Disk.class.getResourceAsStream("db.properties");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	150
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	151 if (myPropsStream == null)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	152 throw new IOException("Failed to load default db settings");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	153
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	154 myDbProps.load(myPropsStream);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	155
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	156 if (isTransient) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	157 theLogger.log(Level.INFO,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	158 "Forced checkpointer on for transient ops");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	159 myDbProps.setProperty("je.env.runCheckpointer", "true");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	160 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	161
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	162 myDbProps.setProperty("je.log.fileMax",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	163 Integer.toString(maxDbLog));
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	164
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	165 /*
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	166 Run a benchmark with these disabled, then run them again
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	167 enabled.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	168 myDbProps.setProperty("je.log.iteratorReadSize",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	169 Integer.toString(maxLogIteratorBuffer));
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	170
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	171 myDbProps.setProperty("je.log.numBuffers",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	172 Integer.toString(maxLogBuffers));
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	173
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	174 myDbProps.setProperty("je.log.totalBufferBytes",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	175 Integer.toString(maxLogBufferBytes));
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	176
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	177 myDbProps.setProperty("je.nodeMaxEntries",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	178 Integer.toString(maxNodeEntries));
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	179
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	180 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	181
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	182 EnvironmentConfig myConfig = new EnvironmentConfig(myDbProps);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	183 myConfig.setCacheSize(theDbCacheSize);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	184 myConfig.setTransactional(true);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	185 myConfig.setAllowCreate(true);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	186
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	187 // theTxnConfig = new TransactionConfig();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	188 // theTxnConfig.setNoSync(true);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	189
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	190 theLogger.log(Level.INFO, "Opening Database");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	191
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	192 theEnv = new Environment(new File(theLocation), myConfig);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	193
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	194 theLogger.log(Level.INFO, "Database recovery complete");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	195
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	196 theDbs = theEnv.getDatabaseNames();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	197
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	198 } catch (UnsatisfiedLinkError aULE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	199 theLogger.log(Level.SEVERE, "Warning, didn't load library for db cleanly - are you using Inca X?", aULE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	200 theLogger.log(Level.SEVERE, "Try restarting the container...");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	201 theLogger.log(Level.SEVERE, "Ignoring library load failure - if Blitz doesn't boot, check your library path");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	202 ClassLoader myLoader = Disk.class.getClassLoader();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	203 throw new Error("Disk didn't start: " + myLoader, aULE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	204 } catch (Exception anE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	205 theLogger.log(Level.SEVERE, "Couldn't start Disk",
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	206 anE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	207 throw new Error("Disk didn't start", anE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	208 } catch (Error anErr) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	209 theLogger.log(Level.SEVERE, "Got error", anErr);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	210 theLogger.log(Level.SEVERE, anErr.getMessage());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	211
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	212 ClassLoader myLoader = Disk.class.getClassLoader();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	213 throw new Error("Disk didn't start: " + myLoader, anErr);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	214 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	215 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	216
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	217 /**
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	218 Eradicate state associated with Disk
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	219 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	220 public static synchronized void destroy() {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	221 deleteFiles(getDbLocation());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	222 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	223
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	224 /**
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	225 Eradicate state held in some specific directory
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	226 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	227 public static synchronized void clean(String aDir) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	228 deleteFiles(aDir);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	229 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	230
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	231 private static String getDbLocation() {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	232 return theLocation;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	233 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	234
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	235 public static void add(Syncable aSyncable) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	236 synchronized(theSyncTasks) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	237 theSyncTasks.add(aSyncable);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	238 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	239 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	240
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	241 public static void remove(Syncable aSyncable) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	242 synchronized(theSyncTasks) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	243 theSyncTasks.remove(aSyncable);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	244 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	245 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	246
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	247 private static Syncable[] getSyncTasks() {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	248 synchronized(theSyncTasks) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	249 Syncable[] myTasks = new Syncable[theSyncTasks.size()];
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	250 return (Syncable[]) theSyncTasks.toArray(myTasks);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	251 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	252 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	253
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	254 public static void stop() throws Exception {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	255 if (theEnv != null) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	256 theLogger.info("BDB closing");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	257 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	258 WriteDaemon.get().halt();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	259
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	260 close();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	261
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	262 theEnv.sync();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	263 theEnv.close();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	264 theLogger.info("BDB closed");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	265 } catch (DatabaseException aDBE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	266 theLogger.log(Level.SEVERE, "Couldn't close BDB", aDBE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	267 throw new Exception("Couldn't close BDB");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	268 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	269 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	270 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	271
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	272 /**
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	273 If the backup directory doesn't exist, it will be created.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	274 If the backup directory does exist, the caller should ensure that
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	275 it has been cleared before the backup is performed. This permits
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	276 the caller to determine what to do with old backups beforehand.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	277 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	278 public static void backup(String aDestDir)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	279 throws IOException {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	280
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	281 File myDest = new File(aDestDir);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	282
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	283 myDest.mkdir();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	284
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	285 File[] myFiles = myDest.listFiles();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	286
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	287 if (myFiles.length > 0)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	288 throw new IOException("Backup dir should be empty");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	289
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	290 BackupTask myTask = new BackupTask(new File(getDbLocation()), myDest);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	291
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	292 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	293 /*
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	294 We cannot use sync because we need WriteDaemon to perform
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	295 the backup post sync'ing the queue. This is required to
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	296 prevent WriteDaemon from performing further updates whilst
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	297 we perform the backup and prevents issues with state leakage.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	298 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	299 Syncable[] mySyncables = getSyncTasks();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	300
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	301 for (int i = 0; i < mySyncables.length; i++) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	302 mySyncables[i].sync();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	303 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	304
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	305 WriteDaemon.get().queue(myTask);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	306 WriteDaemon.get().push();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	307
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	308 } catch (Exception anE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	309 IOException myIOE = new IOException("Couldn't start sync");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	310 myIOE.initCause(anE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	311 throw myIOE;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	312 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	313
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	314 myTask.waitForCompletion();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	315 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	316
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	317 private static void deleteFiles(String aDir) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	318 theLogger.log(Level.INFO, "Deleting: " + aDir);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	319
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	320 File myDir = new File(aDir);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	321
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	322 File[] myFiles = myDir.listFiles();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	323
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	324 if (myFiles == null)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	325 return;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	326
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	327 for (int i = 0; i < myFiles.length; i++) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	328 File myFile = myFiles[i];
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	329
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	330 if (myFile.isFile()) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	331 theLogger.log(Level.INFO, "Deleting: " + myFile);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	332 myFile.delete();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	333 } else {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	334 theLogger.log(Level.INFO, "Leaving: " + myFile);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	335 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	336 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	337 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	338
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	339 private static void lockLocation() throws IOException {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	340 theLockFile = new RandomAccessFile(new File(theLocation,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	341 "blitz.lock"), "rw");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	342
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	343 theLockChannel = theLockFile.getChannel();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	344
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	345 theLock = theLockChannel.tryLock();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	346
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	347 if (theLock == null)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	348 throw new IOException("Couldn't lock, are you running another Blitz instance in this directory?");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	349 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	350
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	351 private static void close() throws Exception {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	352 Syncable[] mySyncables = getSyncTasks();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	353
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	354 for (int i = 0; i < mySyncables.length; i++) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	355 mySyncables[i].close();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	356 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	357
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	358 if (theLock != null)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	359 theLock.release();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	360
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	361 if (theLockChannel != null)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	362 theLockChannel.close();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	363
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	364 if (theLockFile != null)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	365 theLockFile.close();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	366 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	367
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	368 /**
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	369 <p>Blocks the caller whilst a sync-to-disk is performed.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	370 Sync-to-disk requires:</p>
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	371
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	372 <ol>
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	373 <li>Flush dirty state from caches into WriteDaemon queue</li>
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	374 <li>Flush queue</li>
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	375 <li>Wait for queue flush</li>
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	376 <li>Checkpoint Db</li>
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	377 </ol>
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	378
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	379 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	380 public static void sync() throws Exception {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	381 sync(null);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	382 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	383
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	384 /**
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	385 @param aCompletionTask if null, the caller is blocked until
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	386 state has successfully been flushed to disk. Note that the point
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	387 at which the caller will be awoken is guarenteed to be after state
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	388 was sync'd but may not be immediately afterwards. If non-null,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	389 the caller will not be blocked because the code that is dependent
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	390 on completion of the flush is assumed to be in the passed completion
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	391 task. As per the null case, this completion task will be executed
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	392 at some point after WriteDaemon flushed the queue but not necessarily
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	393 immediately.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	394
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	395 @see org.dancres.blitz.disk.WriteDaemon
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	396 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	397 public static void sync(Runnable aCompletionTask)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	398 throws Exception {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	399
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	400 Syncable[] mySyncables = getSyncTasks();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	401
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	402 for (int i = 0; i < mySyncables.length; i++) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	403 mySyncables[i].sync();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	404 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	405
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	406 SyncFinalizer myCompleter = new SyncFinalizer(theEnv, aCompletionTask);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	407 WriteDaemon.get().push(myCompleter);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	408
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	409 /*
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	410 SyncFinalizer will figure out whether to block the caller.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	411 If aCompletionTask is non-null, waitForCompletion will not block
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	412 otherwise it will.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	413 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	414 myCompleter.waitForCompletion();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	415 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	416
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	417 public static Database newDb(Transaction aTxn, String aDbName,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	418 DatabaseConfig aConfig)
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	419 throws DatabaseException {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	420
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	421 aConfig.setTransactional(true);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	422
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	423 synchronized(theDbs) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	424 theDbs.add(aDbName);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	425 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	426
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	427 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	428 return theEnv.openDatabase(aTxn, aDbName, aConfig);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	429 } catch (DatabaseException aDBE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	430 synchronized(theDbs) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	431 theDbs.remove(aDbName);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	432 throw aDBE;
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	433 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	434 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	435 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	436
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	437 /**
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	438 Delete's the underlying Db database. WARNING: This can be blocked
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	439 by checkpoints or failed by replication if insufficient time has passed.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	440 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	441 public static void deleteDb(String aName) throws IOException {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	442 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	443 synchronized(theDbs) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	444 theDbs.remove(aName);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	445 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	446
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	447 theEnv.removeDatabase(null, aName);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	448 } catch (DatabaseException aDbe) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	449 theLogger.log(Level.SEVERE, "Couldn't delete Db", aDbe);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	450 throw new IOException("Failed to delete db");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	451 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	452 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	453
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	454 public static boolean dbExists(String aName) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	455 synchronized(theDbs) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	456 return theDbs.contains(aName);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	457 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	458 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	459
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	460 static Transaction newTxn() throws DatabaseException {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	461 TransactionConfig myConfig = new TransactionConfig();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	462 myConfig.setNoSync(true);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	463
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	464 return theEnv.beginTransaction(null, myConfig);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	465 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	466
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	467 static Transaction newNonBlockingTxn() throws DatabaseException {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	468 TransactionConfig myConfig = new TransactionConfig();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	469 myConfig.setNoSync(true);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	470 myConfig.setNoWait(true);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	471
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	472 return theEnv.beginTransaction(null, myConfig);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	473 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	474
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	475 public static void dumpLocks() {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	476 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	477 StatsConfig myConfig = new StatsConfig();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	478 myConfig.setFast(false);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	479
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	480 LockStats myStats = theEnv.getLockStats(myConfig);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	481
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	482 System.err.println("Locks");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	483 System.err.println("Owners:" + myStats.getNOwners());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	484 System.err.println("RdLock:" + myStats.getNReadLocks());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	485 System.err.println("WrLock:" + myStats.getNWriteLocks());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	486 System.err.println("Total locks:" + myStats.getNTotalLocks());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	487 System.err.println("Waiters:" + myStats.getNWaiters());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	488
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	489 } catch (DatabaseException anE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	490 System.err.println("Whoops couldn't dump stats");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	491 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	492 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	493
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	494 public static void dumpStats() {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	495 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	496 StatsConfig myConfig = new StatsConfig();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	497 myConfig.setFast(false);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	498
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	499 EnvironmentStats myStats = theEnv.getStats(myConfig);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	500
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	501 System.err.println(myStats);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	502
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	503 /*
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	504 System.err.println("Log Buffer bytes: " +
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	505 myStats.getBufferBytes());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	506
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	507 System.err.println("Cache misses: " + myStats.getNCacheMiss());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	508
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	509 System.err.println("Cache data bytes" +
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	510 myStats.getCacheDataBytes());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	511
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	512 System.err.println("Cache total bytes" +
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	513 myStats.getCacheTotalBytes());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	514 */
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	515 } catch (Exception anE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	516 WriteDaemon.theLogger.log(Level.INFO,
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	517 "Couldn't dump stats", anE);
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	518 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	519 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	520
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	521 public static void main(String args[]) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	522 try {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	523 System.out.println("Disk storing at: " + Disk.getDbLocation());
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	524 Disk.stop();
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	525 } catch (Exception anE) {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	526 System.err.println("Got errors during test - see log");
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	527 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	528 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet. Dan Creswell <dan.creswell@gmail.com> parents: diff changeset	529 }

Mercurial > hg > blitz_stable

annotate src/org/dancres/blitz/disk/Disk.java @ 8:fa7203ea1622