litesoft
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.eventbus.client.nonpublic; import org.litesoft.GWT.eventbus.client.*; import org.litesoft.GWT.eventbus.client.rpc.*; import org.litesoft.commonfoundation.base.*; import org.litesoft.commonfoundation.issues.*; import org.litesoft.commonfoundation.typeutils.*; import org.litesoft.logger.*; import java.util.*; public class StatePeerSupportingEventBusRegular extends StatePeerSupportingEventBus { private final PeerInterestManager mPeerInterestManager; private final SubscriptionManager mSubscriptionManager; private final EventBus mEventBus; private EventBusMessageCollector mCollector; private RemotePeerService mRemotePeerService; private EventConstrictor mEventConstrictor; private IProcessingManager mProcessingManager; /* package friendly */ StatePeerSupportingEventBusRegular( Logger pLogger, PeerSupportingEventBus pPeerSupportingEventBus, EventConstrictor pEventConstrictor, EventBus pEventBus, IProcessingManager pProcessingManager, RemotePeerService pRemotePeerService, EventBusMessageCollector pCollector, SavedEventsExpectingResponseTracker pSavedEventsExpectingResponseTracker ) { super( pLogger, pPeerSupportingEventBus, pSavedEventsExpectingResponseTracker ); mProcessingManager = pProcessingManager; mPeerInterestManager = new PeerInterestManager( pPeerSupportingEventBus.getForm() ); mSubscriptionManager = new SubscriptionManager( pPeerSupportingEventBus.getForm() ); mRemotePeerService = (pRemotePeerService != null) ? // pRemotePeerService : // RemotePeerService.Null.INSTANCE; Confirm.isNotNull( "EventConstrictor", mEventConstrictor = pEventConstrictor ); Confirm.isNotNull( "EventBus", mEventBus = pEventBus ); Confirm.isNotNull( "Collector", mCollector = pCollector ); new LoggingStringSet( pLogger, "AckPeerInterests" ); } public StatePeerSupportingEventBusRegular( Logger pLogger, PeerSupportingEventBus pPeerSupportingEventBus, EventConstrictor pEventConstrictor, EventBus pEventBus, IProcessingManager pProcessingManager, RemotePeerService pRemotePeerService ) { this( pLogger, pPeerSupportingEventBus, // pEventConstrictor, pEventBus, // pProcessingManager, // pRemotePeerService, // new EventBusMessageCollector( pLogger ), // new SavedEventsExpectingResponseTracker( pLogger ) ); } public void disposing() { mRemotePeerService.stopUnrequestedMessages(); mProcessingManager.waitTillNoOthers(); } public synchronized void dispose() { mPeerInterestManager.clear(); mSubscriptionManager.clear(); clearPeerService(); super.dispose(); } public IStatePeerSupportingEventBus suspendedToRegular( EventConstrictor pEventConstrictor, EventBus pEventBus ) { throw new IllegalStateException( "Not Suspended" ); } public void publishExpectingResponse( EventPackage pPackage ) { String sourceName = pPackage.getSourceName(); synchronized ( this ) { if ( mSubscriptionManager.hasPeerAcknowledged( sourceName ) ) { getEventBusMessageCollector().addPublishedEvent( pPackage ); } else { mSavedEventsExpectingResponseTracker.add( pPackage ); } } releaseCollected(); } public boolean releaseCollected() { boolean rv = true; if ( mProcessingManager.incThreadsAndIndicateIfWeAreFirst() ) { for ( EventBusMessageCollector collector; null != (collector = grabCollector()); ) { if ( !process( collector ) ) { rv = false; } } } mProcessingManager.decThreads(); return rv; } protected synchronized EventBusMessageCollector getEventBusMessageCollector() { return mCollector; } private synchronized EventBusMessageCollector grabCollector() { EventBusMessageCollector rv = null; if ( !mCollector.isEmpty() ) { rv = mCollector; mCollector = new EventBusMessageCollector( mLogger ); } return rv; } private synchronized void clearPeerService() { mRemotePeerService = mRemotePeerService.dispose(); } private synchronized RemotePeerService getRemotePeerService() { return mRemotePeerService; } protected boolean process( EventBusMessageCollector pCollector ) { List zAddPeerInterests4Remote = new ArrayList(); List zRemovePeerInterests4Remote = new ArrayList(); List zEvents4Remote = new ArrayList(); for ( Iterator it = pCollector.getSubscribes(); it.hasNext(); ) { EventSubscriptionStructure member = (EventSubscriptionStructure) it.next(); if ( mSubscriptionManager.subscribe( member.getSubscribeWith(), member.getEventListener() ) ) { zAddPeerInterests4Remote.add( member.getSubscribeWith() ); } } for ( Iterator it = pCollector.getUnsubscribes(); it.hasNext(); ) { EventSubscriptionStructure member = (EventSubscriptionStructure) it.next(); if ( mSubscriptionManager.unsubscribe( member.getSubscribeWith(), member.getEventListener() ) ) { zRemovePeerInterests4Remote.add( member.getSubscribeWith() ); } } Set zAddedRemotePeerInterests = pCollector.getAddRemotePeerInterests(); mPeerInterestManager.add( zAddedRemotePeerInterests ); mPeerInterestManager.remove( pCollector.getRemoveRemotePeerInterests() ); for ( Iterator it = pCollector.getFromRemotePeerEvents(); it.hasNext(); ) { EventPackage member = (EventPackage) it.next(); String error = mEventConstrictor.isLocalDistributionFromPeerOK( member ); if ( error == null ) { distributeToLocals( member ); } else { mEventBus.handleUnexpectedProblem( "EventConstrictor:" + error, new Problem( "DistributionNotAllowed", // error, // member.getSourceName(), // member.getTargetName(), // member.getType() ) ); } } for ( Iterator it = pCollector.getPublishedEvents(); it.hasNext(); ) { EventPackage member = (EventPackage) it.next(); publishFromLocal( zEvents4Remote, member ); } for ( Iterator it = pCollector.getFromRemoteAckPeerInterests(); it.hasNext(); ) { peerHasAcked( it.next().toString() ); } if ( zAddPeerInterests4Remote.isEmpty() && zRemovePeerInterests4Remote.isEmpty() && zEvents4Remote.isEmpty() && zAddedRemotePeerInterests.isEmpty() ) { return true; } ChannelServicePackage csp = new ChannelServicePackage( toStringArray( zAddPeerInterests4Remote ), toStringArray( zRemovePeerInterests4Remote ), toChannelEventArray( zEvents4Remote ), toStringArray( zAddedRemotePeerInterests ) ); return getRemotePeerService().forwardTo( csp ); } private ChannelEventPackage[] toChannelEventArray( List pList ) { ChannelEventPackage[] rv = new ChannelEventPackage[pList.size()]; for ( int i = 0; i < pList.size(); i++ ) { rv[i] = (ChannelEventPackage) pList.get( i ); } return rv; } private String[] toStringArray( Collection pCollection ) { return Strings.toArray( pCollection ); } private void publishFromLocal( List pPackages4Remote, EventPackage pPackage ) { distributeToLocals( pPackage ); if ( mPeerInterestManager.isPeerInterested( pPackage ) ) { pPackages4Remote.add( pPackage ); } } private void distributeToLocals( EventPackage pPackage ) { EventPackageListener[] listeners = mSubscriptionManager.getListenersFor( pPackage.getTargetName() ); if ( listeners != null ) { mLogger.trace.log( "(distributeToLocals):", pPackage ); //noinspection ForLoopReplaceableByForEach for ( int i = 0; i < listeners.length; i++ ) { EventPackageListener zListener = listeners[i]; try { zListener.packageReceivedVia( pPackage, mEventBus ); } catch ( RuntimeException e ) { String zListenerType = ClassName.full( zListener ); mLogger.error.log( e, zListenerType, pPackage ); // Note: GWT does not provide stack traces in client mode mEventBus.handleUnexpectedProblem( ClassName.simple( zListener ), // new Problem( e, "UnableDistributeToLocals", pPackage.toString() ) ); } } } } public String toString() { return super.toString() + "Regular"; } private void peerHasAcked( String pTargetName ) { EventPackage[] packages; synchronized ( this ) { mSubscriptionManager.setPeerAcknowledged( pTargetName ); packages = mSavedEventsExpectingResponseTracker.getAndReleaseEventsFor( pTargetName ); } mEventBus.publish( packages ); } } |
Commits for litesoft/trunk/Java/GWT/OldClient/src/org/litesoft/GWT/eventbus/client/nonpublic/StatePeerSupportingEventBusRegular.java
Revision | Author | Commited | Message |
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950 Diff | GeorgeS | Thu 19 Jun, 2014 17:57:04 +0000 | New Lines |
949 Diff | GeorgeS | Sun 08 Jun, 2014 17:19:33 +0000 | Normalization |
948 Diff | GeorgeS | Sat 07 Jun, 2014 23:42:39 +0000 | Jusefuls Formatter Updated to New Code Format |
947 Diff | GeorgeS | Fri 06 Jun, 2014 23:36:56 +0000 | Correct Spelling of package! |
943 Diff | GeorgeS | Tue 03 Jun, 2014 04:25:50 +0000 | Extracting commonfoundation |
939 Diff | GeorgeS | Mon 02 Jun, 2014 21:30:31 +0000 | Extracting commonfoundation |
821 Diff | GeorgeS | Sun 19 Aug, 2012 00:08:41 +0000 | |
811 Diff | GeorgeS | Sat 18 Aug, 2012 13:45:18 +0000 | |
804 Diff | GeorgeS | Wed 15 Aug, 2012 12:48:51 +0000 | |
49 | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |