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 c099944732..3904bb9d52 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 - 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;
- }
- }
-}
+/* + * 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; + } + } +} |