diff options
Diffstat (limited to 'plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/internal/cdo/view/CDORevisionPrefetchingPolicyImpl.java')
-rw-r--r-- | plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/internal/cdo/view/CDORevisionPrefetchingPolicyImpl.java | 150 |
1 files changed, 75 insertions, 75 deletions
diff --git a/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/internal/cdo/view/CDORevisionPrefetchingPolicyImpl.java b/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/internal/cdo/view/CDORevisionPrefetchingPolicyImpl.java index d4c7bca03f..1dc1751e3d 100644 --- a/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/internal/cdo/view/CDORevisionPrefetchingPolicyImpl.java +++ b/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/internal/cdo/view/CDORevisionPrefetchingPolicyImpl.java @@ -1,75 +1,75 @@ -/*
- * 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:
- * Simon McDuff - initial API and implementation
- * Eike Stepper - maintenance
- */
-package org.eclipse.emf.internal.cdo.view;
-
-import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
-import org.eclipse.emf.cdo.common.id.CDOID;
-import org.eclipse.emf.cdo.common.revision.CDOList;
-import org.eclipse.emf.cdo.common.revision.CDORevisionManager;
-import org.eclipse.emf.cdo.view.CDORevisionPrefetchingPolicy;
-
-import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.ecore.EStructuralFeature;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-/**
- * @author Simon McDuff
- * @since 2.0
- */
-public class CDORevisionPrefetchingPolicyImpl implements CDORevisionPrefetchingPolicy
-{
- private int chunkSize;
-
- public CDORevisionPrefetchingPolicyImpl(int chunkSize)
- {
- this.chunkSize = chunkSize;
- }
-
- public List<CDOID> loadAhead(CDORevisionManager revisionManager, CDOBranchPoint branchPoint, EObject eObject,
- EStructuralFeature feature, CDOList list, int accessIndex, CDOID accessID)
- {
- if (chunkSize > 1 && !revisionManager.containsRevision(accessID, branchPoint))
- {
- int fromIndex = accessIndex;
- int toIndex = Math.min(accessIndex + chunkSize, list.size()) - 1;
-
- Set<CDOID> notRegistered = new HashSet<CDOID>();
- for (int i = fromIndex; i <= toIndex; i++)
- {
- Object element = list.get(i);
- if (element instanceof CDOID)
- {
- CDOID idElement = (CDOID)element;
- if (!idElement.isTemporary() && !idElement.isExternal())
- {
- if (!revisionManager.containsRevision(idElement, branchPoint))
- {
- if (!notRegistered.contains(idElement))
- {
- notRegistered.add(idElement);
- }
- }
- }
- }
- }
-
- return new ArrayList<CDOID>(notRegistered);
- }
-
- return Collections.emptyList();
- }
-}
+/* + * 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: + * Simon McDuff - initial API and implementation + * Eike Stepper - maintenance + */ +package org.eclipse.emf.internal.cdo.view; + +import org.eclipse.emf.cdo.common.branch.CDOBranchPoint; +import org.eclipse.emf.cdo.common.id.CDOID; +import org.eclipse.emf.cdo.common.revision.CDOList; +import org.eclipse.emf.cdo.common.revision.CDORevisionManager; +import org.eclipse.emf.cdo.view.CDORevisionPrefetchingPolicy; + +import org.eclipse.emf.ecore.EObject; +import org.eclipse.emf.ecore.EStructuralFeature; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +/** + * @author Simon McDuff + * @since 2.0 + */ +public class CDORevisionPrefetchingPolicyImpl implements CDORevisionPrefetchingPolicy +{ + private int chunkSize; + + public CDORevisionPrefetchingPolicyImpl(int chunkSize) + { + this.chunkSize = chunkSize; + } + + public List<CDOID> loadAhead(CDORevisionManager revisionManager, CDOBranchPoint branchPoint, EObject eObject, + EStructuralFeature feature, CDOList list, int accessIndex, CDOID accessID) + { + if (chunkSize > 1 && !revisionManager.containsRevision(accessID, branchPoint)) + { + int fromIndex = accessIndex; + int toIndex = Math.min(accessIndex + chunkSize, list.size()) - 1; + + Set<CDOID> notRegistered = new HashSet<CDOID>(); + for (int i = fromIndex; i <= toIndex; i++) + { + Object element = list.get(i); + if (element instanceof CDOID) + { + CDOID idElement = (CDOID)element; + if (!idElement.isTemporary() && !idElement.isExternal()) + { + if (!revisionManager.containsRevision(idElement, branchPoint)) + { + if (!notRegistered.contains(idElement)) + { + notRegistered.add(idElement); + } + } + } + } + } + + return new ArrayList<CDOID>(notRegistered); + } + + return Collections.emptyList(); + } +} |