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annotate src/org/dancres/blitz/remote/ConstrainableTxnParticipantProxy.java @ 8:fa7203ea1622

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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
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1 package org.dancres.blitz.remote;
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2
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3 import java.io.IOException;
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4 import java.io.ObjectInputStream;
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5 import java.io.InvalidObjectException;
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6
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7 import net.jini.id.Uuid;
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8
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9 import net.jini.core.transaction.server.TransactionParticipant;
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11 import net.jini.core.constraint.RemoteMethodControl;
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12 import net.jini.core.constraint.MethodConstraints;
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14 import net.jini.security.proxytrust.ProxyTrustIterator;
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15 import net.jini.security.proxytrust.SingletonProxyTrustIterator;
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16
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17 /**
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18 When the remote stub generated by the exporter implements
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19 RemoteMethodControl, Blitz exports this proxy for participant duties to
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20 support appropriate constraints etc.
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21 */
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22 public final class ConstrainableTxnParticipantProxy extends
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23 TxnParticipantProxy implements RemoteMethodControl {
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24
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25 private static TransactionParticipant constrainStub(TransactionParticipant aServer, MethodConstraints aConstraints) {
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26 RemoteMethodControl myServer = (RemoteMethodControl) aServer;
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27
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28 myServer.setConstraints(aConstraints);
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29 return (TransactionParticipant) myServer;
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30 }
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31
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32 private final MethodConstraints theConstraints;
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33
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34 ConstrainableTxnParticipantProxy(TransactionParticipant aPart,
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35 Uuid aUuid) {
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36 super(aPart, aUuid);
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37 theConstraints = null;
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38 }
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39
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40 private ConstrainableTxnParticipantProxy(TransactionParticipant aPart,
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41 Uuid aUuid,
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42 MethodConstraints aConstraints) {
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43 super(constrainStub(aPart, aConstraints), aUuid);
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44 theConstraints = aConstraints;
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45 }
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46
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47 private ProxyTrustIterator getProxyTrustIterator() {
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48 return new SingletonProxyTrustIterator(theStub);
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49 }
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50
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51 public RemoteMethodControl setConstraints(MethodConstraints aConstraints) {
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52 return new ConstrainableTxnParticipantProxy(theStub, theUuid,
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53 aConstraints);
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54
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55 }
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56
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57 public MethodConstraints getConstraints() {
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58 return theConstraints;
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59 }
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60
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61 private void readObject(ObjectInputStream anOIS)
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62 throws IOException, ClassNotFoundException {
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63
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64 anOIS.defaultReadObject();
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65
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66 if(! (theStub instanceof RemoteMethodControl) ) {
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67 throw new InvalidObjectException("space does not implement RemoteMethodControl");
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68 }
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69 }
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70 }