diff options
Diffstat (limited to 'plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/SynchronizingCorrelator.java')
-rw-r--r-- | plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/SynchronizingCorrelator.java | 252 |
1 files changed, 126 insertions, 126 deletions
diff --git a/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/SynchronizingCorrelator.java b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/SynchronizingCorrelator.java index dcd2a5fb5e..47e07f3ba0 100644 --- a/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/SynchronizingCorrelator.java +++ b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/SynchronizingCorrelator.java @@ -1,126 +1,126 @@ -/*
- * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Eike Stepper - initial API and implementation
- */
-package org.eclipse.net4j.util.concurrent;
-
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
-
-/**
- * @author Eike Stepper
- */
-public class SynchronizingCorrelator<CORRELATION, RESULT> implements ICorrelator<CORRELATION, ISynchronizer<RESULT>>
-{
- private ConcurrentMap<CORRELATION, ISynchronizer<RESULT>> map = new ConcurrentHashMap<CORRELATION, ISynchronizer<RESULT>>(
- 0);
-
- /**
- * @since 3.0
- */
- public ISynchronizer<RESULT> getSynchronizer(CORRELATION correlation)
- {
- return map.get(correlation);
- }
-
- public boolean isCorrelated(CORRELATION correlation)
- {
- return map.containsKey(correlation);
- }
-
- public ISynchronizer<RESULT> correlate(CORRELATION correlation)
- {
- ISynchronizer<RESULT> synchronizer = map.get(correlation);
- if (synchronizer == null)
- {
- synchronizer = createSynchronizer(correlation);
- map.put(correlation, synchronizer);
- }
-
- return synchronizer;
- }
-
- public ISynchronizer<RESULT> correlateUnique(CORRELATION correlation)
- {
- ISynchronizer<RESULT> synchronizer = createSynchronizer(correlation);
- if (map.putIfAbsent(correlation, synchronizer) != null)
- {
- throw new IllegalStateException("Already correlated: " + correlation); //$NON-NLS-1$
- }
-
- return synchronizer;
- }
-
- public ISynchronizer<RESULT> uncorrelate(CORRELATION correlation)
- {
- return map.remove(correlation);
- }
-
- public RESULT get(CORRELATION correlation, long timeout)
- {
- return correlate(correlation).get(timeout);
- }
-
- public void put(CORRELATION correlation, RESULT result)
- {
- correlate(correlation).put(result);
- }
-
- /**
- * @since 3.0
- */
- public boolean putIfCorrelated(CORRELATION correlation, RESULT result)
- {
- ISynchronizer<RESULT> synchronizer = getSynchronizer(correlation);
- if (synchronizer != null)
- {
- synchronizer.put(result);
- return true;
- }
-
- return false;
- }
-
- public boolean put(CORRELATION correlation, RESULT result, long timeout)
- {
- return correlate(correlation).put(result, timeout);
- }
-
- protected ISynchronizer<RESULT> createSynchronizer(final CORRELATION correlation)
- {
- // TODO Make top level class
- return new ISynchronizer<RESULT>()
- {
- private ISynchronizer<RESULT> delegate = new ResultSynchronizer<RESULT>();
-
- public RESULT get(long timeout)
- {
- RESULT result = delegate.get(timeout);
- uncorrelate(correlation);
- return result;
- }
-
- public void put(RESULT result)
- {
- delegate.put(result);
- }
-
- public boolean put(RESULT result, long timeout)
- {
- return delegate.put(result, timeout);
- }
- };
- }
-
- @Override
- public String toString()
- {
- return "SynchronizingCorrelator" + map; //$NON-NLS-1$
- }
-}
+/* + * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Eike Stepper - initial API and implementation + */ +package org.eclipse.net4j.util.concurrent; + +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; + +/** + * @author Eike Stepper + */ +public class SynchronizingCorrelator<CORRELATION, RESULT> implements ICorrelator<CORRELATION, ISynchronizer<RESULT>> +{ + private ConcurrentMap<CORRELATION, ISynchronizer<RESULT>> map = new ConcurrentHashMap<CORRELATION, ISynchronizer<RESULT>>( + 0); + + /** + * @since 3.0 + */ + public ISynchronizer<RESULT> getSynchronizer(CORRELATION correlation) + { + return map.get(correlation); + } + + public boolean isCorrelated(CORRELATION correlation) + { + return map.containsKey(correlation); + } + + public ISynchronizer<RESULT> correlate(CORRELATION correlation) + { + ISynchronizer<RESULT> synchronizer = map.get(correlation); + if (synchronizer == null) + { + synchronizer = createSynchronizer(correlation); + map.put(correlation, synchronizer); + } + + return synchronizer; + } + + public ISynchronizer<RESULT> correlateUnique(CORRELATION correlation) + { + ISynchronizer<RESULT> synchronizer = createSynchronizer(correlation); + if (map.putIfAbsent(correlation, synchronizer) != null) + { + throw new IllegalStateException("Already correlated: " + correlation); //$NON-NLS-1$ + } + + return synchronizer; + } + + public ISynchronizer<RESULT> uncorrelate(CORRELATION correlation) + { + return map.remove(correlation); + } + + public RESULT get(CORRELATION correlation, long timeout) + { + return correlate(correlation).get(timeout); + } + + public void put(CORRELATION correlation, RESULT result) + { + correlate(correlation).put(result); + } + + /** + * @since 3.0 + */ + public boolean putIfCorrelated(CORRELATION correlation, RESULT result) + { + ISynchronizer<RESULT> synchronizer = getSynchronizer(correlation); + if (synchronizer != null) + { + synchronizer.put(result); + return true; + } + + return false; + } + + public boolean put(CORRELATION correlation, RESULT result, long timeout) + { + return correlate(correlation).put(result, timeout); + } + + protected ISynchronizer<RESULT> createSynchronizer(final CORRELATION correlation) + { + // TODO Make top level class + return new ISynchronizer<RESULT>() + { + private ISynchronizer<RESULT> delegate = new ResultSynchronizer<RESULT>(); + + public RESULT get(long timeout) + { + RESULT result = delegate.get(timeout); + uncorrelate(correlation); + return result; + } + + public void put(RESULT result) + { + delegate.put(result); + } + + public boolean put(RESULT result, long timeout) + { + return delegate.put(result, timeout); + } + }; + } + + @Override + public String toString() + { + return "SynchronizingCorrelator" + map; //$NON-NLS-1$ + } +} |