diff options
Diffstat (limited to 'plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/CDORevisionCacheBranching.java')
-rw-r--r-- | plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/CDORevisionCacheBranching.java | 262 |
1 files changed, 131 insertions, 131 deletions
diff --git a/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/CDORevisionCacheBranching.java b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/CDORevisionCacheBranching.java index b6e14f108a..c099944732 100644 --- a/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/CDORevisionCacheBranching.java +++ b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/CDORevisionCacheBranching.java @@ -1,131 +1,131 @@ -/* - * Copyright (c) 2004 - 2011 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 - * Simon McDuff - bug 201266 - * Simon McDuff - bug 230832 - */ -package org.eclipse.emf.cdo.internal.common.revision; - -import org.eclipse.emf.cdo.common.branch.CDOBranch; -import org.eclipse.emf.cdo.common.id.CDOID; -import org.eclipse.emf.cdo.common.id.CDOIDUtil; -import org.eclipse.emf.cdo.common.revision.CDOIDAndBranch; -import org.eclipse.emf.cdo.common.revision.CDORevision; -import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevisionCache; - -import org.eclipse.net4j.util.ObjectUtil; - -import org.eclipse.emf.ecore.EClass; - -import java.util.HashMap; -import java.util.Map; - -/** - * @author Eike Stepper - */ -public class CDORevisionCacheBranching extends CDORevisionCacheAuditing -{ - private Map<CDOID, TypeAndRefCounter> typeMap = new HashMap<CDOID, TypeAndRefCounter>(); - - public CDORevisionCacheBranching() - { - } - - @Override - public InternalCDORevisionCache instantiate(CDORevision revision) - { - return new CDORevisionCacheBranching(); - } - - @Override - public EClass getObjectType(CDOID id) - { - synchronized (revisionLists) - { - TypeAndRefCounter typeCounter = typeMap.get(id); - if (typeCounter != null) - { - return typeCounter.getType(); - } - - return null; - } - } - - @Override - protected void typeRefIncrease(CDOID id, EClass type) - { - TypeAndRefCounter typeCounter = typeMap.get(id); - if (typeCounter == null) - { - typeCounter = new TypeAndRefCounter(type); - typeMap.put(id, typeCounter); - } - - typeCounter.increase(); - } - - @Override - protected void typeRefDecrease(CDOID id) - { - TypeAndRefCounter typeCounter = typeMap.get(id); - if (typeCounter != null && typeCounter.decreaseAndGet() == 0) - { - typeMap.remove(id); - } - } - - @Override - protected void typeRefDispose() - { - typeMap.clear(); - } - - @Override - protected boolean isKeyInBranch(Object key, CDOBranch branch) - { - return ObjectUtil.equals(((CDOIDAndBranch)key).getBranch(), branch); - } - - @Override - protected Object createKey(CDOID id, CDOBranch branch) - { - return CDOIDUtil.createIDAndBranch(id, branch); - } - - /** - * @author Eike Stepper - */ - private static final class TypeAndRefCounter - { - private EClass type; - - private int refCounter; - - public TypeAndRefCounter(EClass type) - { - this.type = type; - } - - public EClass getType() - { - return type; - } - - public void increase() - { - ++refCounter; - } - - public int decreaseAndGet() - { - return --refCounter; - } - } -} +/*
+ * 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
+ * Simon McDuff - bug 201266
+ * Simon McDuff - bug 230832
+ */
+package org.eclipse.emf.cdo.internal.common.revision;
+
+import org.eclipse.emf.cdo.common.branch.CDOBranch;
+import org.eclipse.emf.cdo.common.id.CDOID;
+import org.eclipse.emf.cdo.common.id.CDOIDUtil;
+import org.eclipse.emf.cdo.common.revision.CDOIDAndBranch;
+import org.eclipse.emf.cdo.common.revision.CDORevision;
+import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevisionCache;
+
+import org.eclipse.net4j.util.ObjectUtil;
+
+import org.eclipse.emf.ecore.EClass;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author Eike Stepper
+ */
+public class CDORevisionCacheBranching extends CDORevisionCacheAuditing
+{
+ private Map<CDOID, TypeAndRefCounter> typeMap = new HashMap<CDOID, TypeAndRefCounter>();
+
+ public CDORevisionCacheBranching()
+ {
+ }
+
+ @Override
+ public InternalCDORevisionCache instantiate(CDORevision revision)
+ {
+ return new CDORevisionCacheBranching();
+ }
+
+ @Override
+ public EClass getObjectType(CDOID id)
+ {
+ synchronized (revisionLists)
+ {
+ TypeAndRefCounter typeCounter = typeMap.get(id);
+ if (typeCounter != null)
+ {
+ return typeCounter.getType();
+ }
+
+ return null;
+ }
+ }
+
+ @Override
+ protected void typeRefIncrease(CDOID id, EClass type)
+ {
+ TypeAndRefCounter typeCounter = typeMap.get(id);
+ if (typeCounter == null)
+ {
+ typeCounter = new TypeAndRefCounter(type);
+ typeMap.put(id, typeCounter);
+ }
+
+ typeCounter.increase();
+ }
+
+ @Override
+ protected void typeRefDecrease(CDOID id)
+ {
+ TypeAndRefCounter typeCounter = typeMap.get(id);
+ if (typeCounter != null && typeCounter.decreaseAndGet() == 0)
+ {
+ typeMap.remove(id);
+ }
+ }
+
+ @Override
+ protected void typeRefDispose()
+ {
+ typeMap.clear();
+ }
+
+ @Override
+ protected boolean isKeyInBranch(Object key, CDOBranch branch)
+ {
+ return ObjectUtil.equals(((CDOIDAndBranch)key).getBranch(), branch);
+ }
+
+ @Override
+ protected Object createKey(CDOID id, CDOBranch branch)
+ {
+ return CDOIDUtil.createIDAndBranch(id, branch);
+ }
+
+ /**
+ * @author Eike Stepper
+ */
+ private static final class TypeAndRefCounter
+ {
+ private EClass type;
+
+ private int refCounter;
+
+ public TypeAndRefCounter(EClass type)
+ {
+ this.type = type;
+ }
+
+ public EClass getType()
+ {
+ return type;
+ }
+
+ public void increase()
+ {
+ ++refCounter;
+ }
+
+ public int decreaseAndGet()
+ {
+ return --refCounter;
+ }
+ }
+}
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