Mercurial > hg > blitz_condensed
annotate src/org/dancres/blitz/tools/RequestReap.java @ 28:4b2f23b6feca
Add a schema compatibility check to indexer that parallels storage.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 12 Jun 2010 10:11:15 +0100 |
parents | 3dc0c5604566 |
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rev | line source |
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0
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1 package org.dancres.blitz.tools; |
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2 |
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3 import java.io.IOException; |
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4 |
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5 import java.rmi.RemoteException; |
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6 import java.rmi.RMISecurityManager; |
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7 |
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8 import net.jini.discovery.*; |
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9 |
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10 import net.jini.lookup.*; |
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11 import net.jini.lookup.entry.Name; |
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12 |
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13 import net.jini.core.lookup.ServiceItem; |
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14 import net.jini.core.lookup.ServiceTemplate; |
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15 |
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16 import net.jini.core.entry.Entry; |
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17 |
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18 import net.jini.admin.Administrable; |
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19 |
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20 import net.jini.space.JavaSpace; |
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21 |
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22 import net.jini.core.transaction.TransactionException; |
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23 |
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24 import org.dancres.blitz.remote.BlitzAdmin; |
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25 |
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26 import org.dancres.jini.util.DiscoveryUtil; |
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27 import org.dancres.jini.util.ServiceLocator; |
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28 |
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29 /** |
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30 <p>RequestReap accepts a spacename as an argument and attempts to |
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31 trigger a manual reap of any lease expired contents.</p> |
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32 |
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33 <p>Typical usage: |
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34 |
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35 <pre> |
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36 java -Xmx256m -Djava.security.policy=config/policy.all |
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37 -classpath /home/dan/jini/jini2_0/lib/jsk-platform.jar:/home/dan/src/jini/space/build:/home/dan/jini/jini2_0/lib/jini-ext.jar:/home/dan/jini/jini2_0/lib/sun-util.jar |
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38 org.dancres.blitz.tools.RequestReap dancres |
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39 </pre> |
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40 |
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41 @see org.dancres.blitz.remote.BlitzAdmin |
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42 */ |
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43 public class RequestReap { |
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44 private static final long MAX_DISCOVER_TIME = 15 * 1000; |
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45 |
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46 public static void main(String args[]) { |
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47 if (System.getSecurityManager() == null) |
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48 System.setSecurityManager(new RMISecurityManager()); |
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49 |
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50 try { |
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51 try { |
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52 Object myProxy = null; |
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53 |
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54 if (args.length == 1) |
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55 myProxy = ServiceLocator.getService(JavaSpace.class, |
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56 args[0], |
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57 MAX_DISCOVER_TIME); |
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58 else if (args.length == 2) { |
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59 myProxy = ServiceLocator.getService(args[0], |
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60 JavaSpace.class, |
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61 args[1]); |
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62 } else { |
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63 System.err.println("Wrong number of arguments - should be <spacename> or <LUS host> <spacename>"); |
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64 System.exit(-1); |
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65 } |
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66 |
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67 if (myProxy != null) { |
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68 System.err.println("Found space: " + myProxy); |
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69 |
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70 DiscoveryUtil.dumpInterfaces(myProxy.getClass()); |
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71 |
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72 if (DiscoveryUtil.hasInterface(myProxy, |
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73 Administrable.class)) { |
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74 Administrable myAdmin = (Administrable) myProxy; |
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75 |
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76 Object myAdminProxy = myAdmin.getAdmin(); |
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77 |
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78 DiscoveryUtil.dumpInterfaces(myAdminProxy.getClass()); |
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79 |
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80 if (DiscoveryUtil.hasInterface(myAdminProxy, |
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81 BlitzAdmin.class)) { |
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82 BlitzAdmin myBlitzAdmin = |
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83 (BlitzAdmin) myAdminProxy; |
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84 |
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85 System.err.println("Invoking reap"); |
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86 myBlitzAdmin.reap(); |
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87 } else { |
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88 System.err.println("No BlitzAdmin interface found - can't be Blitz"); |
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89 } |
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90 } else { |
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91 System.err.println("No admin interface present - can't be Blitz"); |
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92 } |
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93 } |
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94 } catch (InterruptedException anIE) { |
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95 System.err.println("!!! Whoops service not found :( !!!"); |
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96 } |
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97 } catch (ClassNotFoundException aCNFE) { |
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98 System.err.println("ClassNotFound exception"); |
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99 aCNFE.printStackTrace(System.err); |
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100 } catch (RemoteException anRE) { |
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101 System.err.println("Remote exception"); |
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102 anRE.printStackTrace(System.err); |
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103 } catch (IOException anIOE) { |
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104 System.err.println("Failed to configure discovery"); |
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105 anIOE.printStackTrace(System.err); |
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106 } |
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107 } |
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108 } |