1 files changed, 62 insertions, 0 deletions
diff --git a/bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/syncinfo/CVSDescendantSynchronizationCache.java b/bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/syncinfo/CVSDescendantSynchronizationCache.java
new file mode 100644
index 000000000..785d757c5
--- /dev/null
+++ b/bundles/org.eclipse.team.cvs.core/src/org/eclipse/team/internal/ccvs/core/syncinfo/CVSDescendantSynchronizationCache.java
@@ -0,0 +1,62 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.team.internal.ccvs.core.syncinfo;
+
+import org.eclipse.core.resources.IResource;
+import org.eclipse.team.core.TeamException;
+import org.eclipse.team.core.subscribers.utils.*;
+import org.eclipse.team.internal.ccvs.core.*;
+
+/**
+ * CVS sycnrhonization cache that ignores stale remote bytes
+ */
+public class CVSDescendantSynchronizationCache extends DescendantSynchronizationCache {
+
+	public CVSDescendantSynchronizationCache(SynchronizationCache baseCache, SynchronizationSyncBytesCache remoteCache) {
+		super(baseCache, remoteCache);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.team.core.subscribers.DescendantSynchronizationCache#isDescendant(org.eclipse.core.resources.IResource, byte[], byte[])
+	 */
+	protected boolean isDescendant(IResource resource, byte[] baseBytes, byte[] remoteBytes) throws TeamException {
+		if (resource.getType() != IResource.FILE) return true;
+		try {
+			return ResourceSyncInfo.isLaterRevisionOnSameBranch(remoteBytes, baseBytes);
+		} catch (CVSException e) {
+			throw TeamException.asTeamException(e);
+		}
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.team.core.subscribers.helpers.SynchronizationCache#setSyncBytes(org.eclipse.core.resources.IResource, byte[])
+	 */
+	public boolean setSyncBytes(IResource resource, byte[] bytes) throws TeamException {
+		boolean changed = super.setSyncBytes(resource, bytes);
+		if (resource.getType() == IResource.FILE && getSyncBytes(resource) != null && !parentHasSyncBytes(resource)) {
+			// Log a warning if there is no sync bytes available for the resource's
+			// parent but there is valid sync bytes for the child
+			CVSProviderPlugin.log(new TeamException(Policy.bind("ResourceSynchronizer.missingParentBytesOnSet", ((SynchronizationSyncBytesCache)getRemoteCache()).getSyncName().toString(), resource.getFullPath().toString())));
+		}
+		return changed;
+	}
+
+	/**
+	 * Indicates whether the parent of the given local resource has sync bytes for its
+	 * corresponding remote resource. The parent bytes of a remote resource are required
+	 * (by CVS) to create a handle to the remote resource.
+	 */
+	protected boolean parentHasSyncBytes(IResource resource) throws TeamException {
+		if (resource.getType() == IResource.PROJECT) return true;
+		return (getSyncBytes(resource.getParent()) != null);
+	}
+
+}