diff src/org/dancres/blitz/lease/LeaseBounds.java @ 0:3dc0c5604566

Initial checkin of blitz 2.0 fcs - no installer yet.
author Dan Creswell <dan.creswell@gmail.com>
date Sat, 21 Mar 2009 11:00:06 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/dancres/blitz/lease/LeaseBounds.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,69 @@
+package org.dancres.blitz.lease;
+
+import java.util.logging.*;
+
+import net.jini.config.ConfigurationException;
+
+import org.dancres.blitz.Logging;
+
+import org.dancres.blitz.util.Time;
+
+import org.dancres.blitz.config.ConfigurationFactory;
+
+/**
+   Responsible for handling bounding of lease durations based on configuration
+   items <code>notifyLeaseBound</code> and <code>entryLeaseBound</code>
+ */
+public class LeaseBounds {
+    private static Logger theLogger =
+        Logging.newLogger("org.dancres.blitz.lease.LeaseBounds");
+
+    private static long theNotifyBound;
+    private static long theEntryBound;
+    private static long theViewBound;
+    private static long theTxnBound;
+
+    static {
+        try {
+            theNotifyBound =
+                ((Long) ConfigurationFactory.getEntry("notifyLeaseBound",
+                                                      long.class,
+                                                      new Long(0))).longValue();
+            theEntryBound =
+                ((Long) ConfigurationFactory.getEntry("entryLeaseBound",
+                                                      long.class,
+                                                      new Long(0))).longValue();
+            theViewBound =
+                ((Long) ConfigurationFactory.getEntry("viewLeaseBound",
+                                                      long.class,
+                                                      new Long(0))).longValue();
+            theTxnBound =
+                ((Long) ConfigurationFactory.getEntry("loopbackTxnLeaseBound",
+                    long.class,
+                    new Long(0))).longValue();
+
+            theLogger.log(Level.INFO, "LeaseBounds: " + theNotifyBound +
+                          ", " + theEntryBound + ", " + theViewBound + ", " +
+                          theTxnBound);
+
+        } catch (ConfigurationException aCE) {
+            theLogger.log(Level.SEVERE, "Got config problem", aCE);
+        }
+    }
+
+    public static long boundWrite(long aLeaseDuration) {
+        return Time.getLeaseDuration(aLeaseDuration, theEntryBound);
+    }
+
+    public static long boundNotify(long aLeaseDuration) {
+        return Time.getLeaseDuration(aLeaseDuration, theNotifyBound);
+    }
+
+    public static long boundView(long aLeaseDuration) {
+        return Time.getLeaseDuration(aLeaseDuration, theViewBound);
+    }
+
+    public static long boundTxn(long aLeaseDuration) {
+        return Time.getLeaseDuration(aLeaseDuration, theTxnBound);
+    }
+}