Attachment 213100 Details for Bug 361926 – CVS friendly patch

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[patch] CVS friendly patch

does_not_contain_precise_infromation.txt (text/plain), 58.14 KB, created by Malgorzata Janczarska

on 2012-03-23 07:10:46 EDT

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Creator: Malgorzata Janczarska

Created: 2012-03-23 07:10:46 EDT

Size: 58.14 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.team.cvs.ui
>Index: src/org/eclipse/team/internal/ccvs/ui/model/RemoteFolderElement.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/model/RemoteFolderElement.java,v
>retrieving revision 1.25
>diff -u -r1.25 RemoteFolderElement.java
>--- src/org/eclipse/team/internal/ccvs/ui/model/RemoteFolderElement.java	10 May 2006 17:48:42 -0000	1.25
>+++ src/org/eclipse/team/internal/ccvs/ui/model/RemoteFolderElement.java	23 Mar 2012 11:09:08 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2006 IBM Corporation and others.
>+ * Copyright (c) 2000, 2012 IBM Corporation 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
>@@ -57,23 +57,55 @@
>     public Object[] fetchChildren(Object o, IProgressMonitor monitor) throws TeamException {
>         if (!(o instanceof ICVSRemoteFolder))
>             return new Object[0];
>-        return ((ICVSRemoteFolder) o).members(monitor);
>-    }
>+		try {
>+			monitor = Policy.monitorFor(monitor);
>+			monitor.beginTask(NLS.bind(
>+					CVSUIMessages.RemoteFolderElement_fetchingRemoteChildren,
>+					new String[] { getLabel(o) }), 100);
>+			ICVSRemoteFolder folder = (ICVSRemoteFolder) o;
>+			ICVSRemoteResource[] cachedChildren = CVSUIPlugin
>+					.getPlugin()
>+					.getRepositoryManager()
>+					.getCachedChildrenForTag(folder.getRepository(), folder,
>+							folder.getTag(), Policy.subMonitorFor(monitor, 50));
>+			if (cachedChildren.length > 0) {
>+				return cachedChildren;
>+			}
>+			return folder.members(Policy.subMonitorFor(monitor, 50));
>+		} finally {
>+			monitor.done();
>+		}
>+	}
> 
>     public void fetchDeferredChildren(Object o, IElementCollector collector, IProgressMonitor monitor) {
>     	// If it's not a folder, return an empty array
> 		if (!(o instanceof ICVSRemoteFolder)) {
> 			collector.add(new Object[0], monitor);
> 		}
>-        try {
>-            monitor = Policy.monitorFor(monitor);
>-            monitor.beginTask(NLS.bind(CVSUIMessages.RemoteFolderElement_fetchingRemoteChildren, new String[] { getLabel(o) }), 100); 
>-			FetchMembersOperation operation = new FetchMembersOperation(null, (ICVSRemoteFolder)o, collector);
>-			operation.run(Policy.subMonitorFor(monitor, 100));
>-        } catch (InvocationTargetException e) {
>+		try {
>+			monitor = Policy.monitorFor(monitor);
>+			monitor.beginTask(NLS.bind(
>+					CVSUIMessages.RemoteFolderElement_fetchingRemoteChildren,
>+					new String[] { getLabel(o) }), 100);
>+			ICVSRemoteFolder folder = (ICVSRemoteFolder) o;
>+			ICVSRemoteResource[] cachedChildren = CVSUIPlugin
>+					.getPlugin()
>+					.getRepositoryManager()
>+					.getCachedChildrenForTag(folder.getRepository(), folder,
>+							folder.getTag(), Policy.subMonitorFor(monitor, 50));
>+			if (cachedChildren.length > 0) {
>+				collector.add(cachedChildren, monitor);
>+				return;
>+			}
>+			FetchMembersOperation operation = new FetchMembersOperation(null,
>+					folder, collector);
>+			operation.run(Policy.subMonitorFor(monitor, 50));
>+		} catch (InvocationTargetException e) {
>             handle(collector, e);
> 		} catch (InterruptedException e) {
> 			// Cancelled by the user;
>+		} catch (CVSException e) {
>+			handle(collector, e);
> 		} finally {
>             monitor.done();
>         }
>Index: src/org/eclipse/team/internal/ccvs/ui/repo/RepositoryManager.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/repo/RepositoryManager.java,v
>retrieving revision 1.53
>diff -u -r1.53 RepositoryManager.java
>--- src/org/eclipse/team/internal/ccvs/ui/repo/RepositoryManager.java	16 Mar 2007 21:04:04 -0000	1.53
>+++ src/org/eclipse/team/internal/ccvs/ui/repo/RepositoryManager.java	23 Mar 2012 11:09:09 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2007 IBM Corporation and others.
>+ * Copyright (c) 2000, 2012 IBM Corporation 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
>@@ -142,15 +142,11 @@
> 		Set result = new HashSet();
> 		RepositoryRoot root = (RepositoryRoot)repositoryRoots.get(location.getLocation(false));
> 		if (root != null) {
>-			String[] paths = root.getKnownRemotePaths();
>-			for (int i = 0; i < paths.length; i++) {
>-				String path = paths[i];
>-				CVSTag[] tags = root.getAllKnownTags(path);
>-				for (int j = 0; j < tags.length; j++) {
>-					CVSTag tag = tags[j];
>-					if (tag.getType() == tagType)
>-						result.add(tag);
>-				}
>+			CVSTag[] tags = root.getAllKnownTags();
>+			for (int i = 0; i < tags.length; i++) {
>+				CVSTag tag = tags[i];
>+				if (tag.getType() == tagType)
>+					result.add(tag);
> 			}
> 		}
> 		return (CVSTag[])result.toArray(new CVSTag[0]);
>@@ -225,20 +221,72 @@
> 			Set result = new HashSet();
> 			// Get the tags for the location
> 			RepositoryRoot root = getRepositoryRootFor(location);
>-			String[] paths = root.getKnownRemotePaths();
>+			String[] paths = root.getRemoteChildrenForTag(null, tag);
> 			for (int i = 0; i < paths.length; i++) {
> 				String path = paths[i];
>-				List tags = Arrays.asList(root.getAllKnownTags(path));
>-				if (tags.contains(tag)) {
>-					ICVSRemoteFolder remote = root.getRemoteFolder(path, tag, Policy.subMonitorFor(monitor, 100));
>-					result.add(remote);
>-				}
>+				ICVSRemoteFolder remote = root.getRemoteFolder(path, tag,
>+						Policy.subMonitorFor(monitor, 100));
>+				result.add(remote);
> 			}
> 			return (ICVSRemoteResource[])result.toArray(new ICVSRemoteResource[result.size()]);
> 		} finally {
> 			monitor.done();
> 		}
> 	}
>+
>+	/**
>+	 * Returns a list of child resources for given folder that are known to
>+	 * contain given tag. If the return list is empty than given tag exists
>+	 * directly in given folder and its children should be retrieved directly
>+	 * from the repository.
>+	 *
>+	 * NOTE: Resources are cached only for tags of type CVSTag.Branch and
>+	 * CVSTag.Version. Other types of tags will always return empty list.
>+	 *
>+	 * @param location
>+	 *            CVS repository location
>+	 * @param parentFolder
>+	 *            folder to check tags for
>+	 * @param tag
>+	 * @param monitor
>+	 * @return a list of remote resources that are known to contain given tag or
>+	 *         empty list if resources should be retrieved from the repository
>+	 * @throws CVSException
>+	 */
>+	public ICVSRemoteResource[] getCachedChildrenForTag(
>+			ICVSRepositoryLocation location, ICVSRemoteFolder parentFolder,
>+			CVSTag tag, IProgressMonitor monitor) throws CVSException {
>+		if (tag == null || tag.getType() == CVSTag.HEAD
>+				|| tag.getType() == CVSTag.DATE) {
>+			// folders are kept in cache only for tags and versions
>+			return new ICVSRemoteResource[0];
>+		}
>+		monitor = Policy.monitorFor(monitor);
>+		Set result = new HashSet();
>+		RepositoryRoot root = getRepositoryRootFor(location);
>+		// if remote folder is null return the subfolders of repository root
>+		String[] paths = root.getRemoteChildrenForTag(
>+				parentFolder == null ? null : RepositoryRoot
>+						.getRemotePathFor(parentFolder), tag);
>+		monitor.beginTask(NLS
>+				.bind(CVSUIMessages.RemoteFolderElement_fetchingRemoteChildren,
>+						new String[] { NLS.bind(
>+								CVSUIMessages.RemoteFolderElement_nameAndTag,
>+								new String[] { parentFolder.getName(),
>+										tag.getName() }) }), 10 * paths.length);
>+		try {
>+			for (int i = 0; i < paths.length; i++) {
>+				String path = paths[i];
>+				ICVSRemoteFolder remote = root.getRemoteFolder(path, tag,
>+						Policy.subMonitorFor(monitor, 10));
>+				result.add(remote);
>+			}
>+			return (ICVSRemoteResource[]) result
>+					.toArray(new ICVSRemoteResource[result.size()]);
>+		} finally {
>+			monitor.done();
>+		}
>+	}
> 		
> 	/*
> 	 * Fetches tags from auto-refresh files if they exist. Then fetches tags from the user defined auto-refresh file
>Index: src/org/eclipse/team/internal/ccvs/ui/repo/RepositoryRoot.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/repo/RepositoryRoot.java,v
>retrieving revision 1.39
>diff -u -r1.39 RepositoryRoot.java
>--- src/org/eclipse/team/internal/ccvs/ui/repo/RepositoryRoot.java	10 May 2006 17:48:06 -0000	1.39
>+++ src/org/eclipse/team/internal/ccvs/ui/repo/RepositoryRoot.java	23 Mar 2012 11:09:09 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2006 IBM Corporation and others.
>+ * Copyright (c) 2000, 2012 IBM Corporation 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
>@@ -12,14 +12,7 @@
> 
> import java.io.IOException;
> import java.lang.reflect.InvocationTargetException;
>-import java.util.ArrayList;
>-import java.util.Arrays;
>-import java.util.HashMap;
>-import java.util.HashSet;
>-import java.util.Iterator;
>-import java.util.List;
>-import java.util.Map;
>-import java.util.Set;
>+import java.util.*;
> 
> import org.eclipse.core.runtime.*;
> import org.eclipse.osgi.util.NLS;
>@@ -40,8 +33,7 @@
> 	
> 	ICVSRepositoryLocation root;
> 	String name;
>-	// Map of String (remote folder path) -> TagCacheEntry
>-	Map versionAndBranchTags = new HashMap();
>+	TagCacheEntry rootTagCacheEntry = new TagCacheEntry(Path.ROOT, null);
> 	// Map of String (remote folder path) -> Set (file paths that are project relative)
> 	Map autoRefreshFiles = new HashMap();
> 	// Map of String (module name) -> ICVSRemoteFolder (that is a defined module)
>@@ -51,12 +43,34 @@
> 	List dateTags = new ArrayList();
> 	
> 	public static class TagCacheEntry {
>-	    Set tags = new HashSet();
>-	    long lastAccessTime;
>-        private static final int CACHE_LIFESPAN_IN_DAYS = 7;
>-        public TagCacheEntry() {
>-            accessed();
>-        }
>+		IPath path;
>+		// Set of tags found for this path
>+		private Set tags = new HashSet();
>+		// String(last path segment) -> TagCacheEntry for child paths
>+		Map children = new HashMap();
>+		TagCacheEntry parent;
>+		long lastAccessTime;
>+		private static final int CACHE_LIFESPAN_IN_DAYS = 7;
>+
>+		public TagCacheEntry(IPath path, TagCacheEntry parent) {
>+			this.path = path;
>+			this.parent = parent;
>+			accessed();
>+		}
>+
>+		public Set getTags() {
>+			accessed();
>+			return tags;
>+		}
>+
>+		public Iterator getChildrenIterator() {
>+			return this.children.values().iterator();
>+		}
>+
>+		public boolean isEmpty() {
>+			return getTags().isEmpty() && children.isEmpty();
>+		}
>+
>         public boolean isExpired() {
>             long currentTime = System.currentTimeMillis();
>             long ms = currentTime - lastAccessTime;
>@@ -65,9 +79,10 @@
>             int days = hours / 24;
>             return days > CACHE_LIFESPAN_IN_DAYS;
>         }
>-        public void accessed() {
>-            lastAccessTime = System.currentTimeMillis();
>-        }
>+
>+		private void accessed() {
>+			lastAccessTime = System.currentTimeMillis();
>+		}
> 	}
> 	
> 	public RepositoryRoot(ICVSRepositoryLocation root) {
>@@ -193,10 +208,13 @@
> 	 * Accept the tags for any remote path that represents a folder. However, for the time being,
> 	 * the given version tags are added to the list of known tags for the 
> 	 * remote ancestor of the resource that is a direct child of the remote root.
>-	 * 
>-	 * It is the reponsibility of the caller to ensure that the given remote path is valid.
>+	 *
>+	 * It is the responsibility of the caller to ensure that the given remote path is valid.
> 	 */
>-	public void addTags(String remotePath, CVSTag[] tags) {	
>+	public void addTags(String remotePath, CVSTag[] tags) {
>+		if (tags.length == 0) {
>+			return;
>+		}
> 		addDateTags(tags);
> 		addVersionAndBranchTags(remotePath, tags);
> 	}
>@@ -208,23 +226,19 @@
> 			}
> 		}
> 	}
>+
> 	private void addVersionAndBranchTags(String remotePath, CVSTag[] tags) {
>-		// Get the name to cache the version tags with
>-		String name = getCachePathFor(remotePath);
>-		
>-		// Make sure there is a table for the ancestor that holds the tags
>-		TagCacheEntry entry = (TagCacheEntry)versionAndBranchTags.get(name);
>-		if (entry == null) {
>-		    entry = new TagCacheEntry();
>-			versionAndBranchTags.put(name, entry);
>-		} else {
>-		    entry.accessed();
>-		}
>-		
>+		TagCacheEntry entry = getTagCacheEntryFor(remotePath, true);
>+
> 		// Store the tag with the appropriate ancestor
> 		for (int i = 0; i < tags.length; i++) {
>-			if(tags[i].getType() != CVSTag.DATE){
>-				entry.tags.add(tags[i]);
>+			if (tags[i].getType() != CVSTag.DATE) {
>+				Set parentTags = new HashSet();
>+				addAllKnownTagsForParents(entry, parentTags);
>+				if (!parentTags.contains(tags[i])) {
>+					entry.getTags().add(tags[i]);
>+					removeTagFromChildrenCacheEntries(entry, tags[i]);
>+				}
> 			}
> 		}
> 	}
>@@ -270,20 +284,42 @@
> 	}
> 
> 	private void removeVersionAndBranchTags(String remotePath, CVSTag[] tags) {
>-		// Get the name to cache the version tags with
>-		String name = getCachePathFor(remotePath);
>-		
>-		// Make sure there is a table for the ancestor that holds the tags
>-		TagCacheEntry entry = (TagCacheEntry)versionAndBranchTags.get(name);
>-		if (entry == null) {
>-			return;
>+		TagCacheEntry entry = getTagCacheEntryFor(remotePath, false);
>+		// remove tags from this path and its children
>+		if (entry != null) {
>+			removeTagsFromChildrenCacheEntries(entry, tags);
> 		}
>-		
>-		// Store the tag with the appropriate ancestor
>+
>+		// remove tags from all parents of this path
>+		entry = getKnownParentTagCacheEntryFor(remotePath);
> 		for (int i = 0; i < tags.length; i++) {
>-			entry.tags.remove(tags[i]);
>+			if (entry.getTags().contains(tags[i])) {
>+				entry.getTags().remove(tags[i]);
>+				continue;
>+			}
>+			TagCacheEntry currentEntry = entry;
>+			while (currentEntry.parent != null) {
>+				if (currentEntry.parent.getTags().contains(tags[i])) {
>+					// remove tag from parent and add it to siblings
>+					currentEntry.parent.getTags().remove(tags[i]);
>+					Iterator siblingIterator = currentEntry.parent
>+							.getChildrenIterator();
>+					while (siblingIterator.hasNext()) {
>+						TagCacheEntry sibling = (TagCacheEntry) siblingIterator
>+								.next();
>+						if (!sibling.equals(currentEntry)) {
>+							sibling.getTags().add(tags[i]);
>+						}
>+					}
>+					break;
>+				} else {
>+					currentEntry = currentEntry.parent;
>+				}
>+			}
>+		}
>+		if (entry.isEmpty()) {
>+			removeTagCacheEntry(entry);
> 		}
>-		entry.accessed();
> 	}
> 
> 	/**
>@@ -293,8 +329,7 @@
> 	 * @return String[]
> 	 */
> 	public String[] getAutoRefreshFiles(String remotePath) {
>-		String name = getCachePathFor(remotePath);
>-		Set files = (Set)autoRefreshFiles.get(name);
>+		Set files = (Set) autoRefreshFiles.get(remotePath);
> 		if (files == null || files.isEmpty()) {
> 			// convert the default relative file paths to full paths
> 			if (isDefinedModuleName(remotePath)) {
>@@ -330,43 +365,64 @@
> 				}
> 			}
> 			if (isDefault) {
>-				this.autoRefreshFiles.remove(getCachePathFor(remotePath));
>+				this.autoRefreshFiles.remove(remotePath);
> 				return;
> 			}
> 		}
>-		this.autoRefreshFiles.put(getCachePathFor(remotePath), newFiles);
>+		this.autoRefreshFiles.put(remotePath, newFiles);
> 	}
> 
> 	/**
> 	 * Fetches tags from auto-refresh files.
> 	 */
>-	public CVSTag[] refreshDefinedTags(ICVSFolder folder, boolean recurse, IProgressMonitor monitor) throws TeamException {
>-	    monitor.beginTask(null, 100);
>-	    CVSTag[] tags = null;
>-	    if (!recurse && !folder.getFolderSyncInfo().isVirtualDirectory()) {
>-	        // Only try the auto-refresh file(s) if we are not recursing into sub-folders
>-	        tags = fetchTagsUsingAutoRefreshFiles(folder, Policy.subMonitorFor(monitor, 50));
>-	    }
>-        if (tags == null || tags.length == 0) {
>-            // There we're no tags found on the auto-refresh files or we we're aksed to go deep
>-            // Try using the log command
>-            tags = fetchTagsUsingLog(folder, recurse, Policy.subMonitorFor(monitor, 50));
>-        }
>-		if (tags != null && tags.length > 0) {
>-		    String remotePath = getRemotePathFor(folder);
>-			addTags(remotePath, tags);
>+	public CVSTag[] refreshDefinedTags(ICVSFolder folder, boolean recurse,
>+			IProgressMonitor monitor) throws TeamException {
>+		monitor = Policy.monitorFor(monitor);
>+		monitor.beginTask(null, recurse ? 210 : 100);
>+		try {
>+			CVSTag[] tags = null;
>+			if (!folder.getFolderSyncInfo().isVirtualDirectory()) {
>+				// Only try the auto-refresh file(s) if we are not recursing
>+				// into sub-folders
>+				tags = fetchTagsUsingAutoRefreshFiles(folder,
>+						Policy.subMonitorFor(monitor, 50));
>+			}
>+			if (tags == null || tags.length == 0) {
>+				// There we're no tags found on the auto-refresh files or we
>+				// we're asked to go deep
>+				// Try using the log command
>+				tags = fetchTagsUsingLog(folder,
>+						Policy.subMonitorFor(monitor, 50));
>+			}
>+			if (tags != null && tags.length > 0) {
>+				String remotePath = getRemotePathFor(folder);
>+				addTags(remotePath, tags);
>+				return tags;
>+			}
>+			if (recurse) {
>+				Set tagsSet = new HashSet();
>+				folder.fetchChildren(Policy.subMonitorFor(monitor, 10));
>+				ICVSResource[] children = folder
>+						.members(ICVSFolder.FOLDER_MEMBERS);
>+				for (int i = 0; i < children.length; i++) {
>+					tagsSet.addAll(Arrays.asList(refreshDefinedTags(
>+							(ICVSFolder) children[i], recurse, Policy
>+									.subMonitorFor(monitor,
>+											100 / children.length))));
>+				}
>+				tags = (CVSTag[]) tagsSet.toArray(new CVSTag[tagsSet.size()]);
>+			}
>+			return tags;
>+		} finally {
>+			monitor.done();
> 		}
>-		monitor.done();
>-		return tags;
> 	}
>-	
>-    private CVSTag[] fetchTagsUsingLog(ICVSFolder folder, final boolean recurse, IProgressMonitor monitor) throws CVSException {
>+
>+    private CVSTag[] fetchTagsUsingLog(ICVSFolder folder, IProgressMonitor monitor) throws CVSException {
>         LogEntryCache logEntries = new LogEntryCache();
>         RemoteLogOperation operation = new RemoteLogOperation(null, new ICVSRemoteResource[] { asRemoteResource(folder) }, null, null, logEntries) {
>             protected Command.LocalOption[] getLocalOptions(CVSTag tag1,CVSTag tag2) {
>                 Command.LocalOption[] options = new Command.LocalOption[] {};
>-                if (recurse) 
>-                    return options;
>                 Command.LocalOption[] newOptions = new Command.LocalOption[options.length + 1];
>                 System.arraycopy(options, 0, newOptions, 0, options.length);
>                 newOptions[options.length] = Command.DO_NOT_RECURSE;
>@@ -448,16 +504,85 @@
> 		}
> 		return (CVSTag[])tagSet.toArray(new CVSTag[0]);
> 	}
>-	
>-	/*
>-	 * Return the cache key (path) for the given folder path.
>-	 * This has been changed to cache the tags directly 
>-	 * with the folder to better support non-root projects.
>-	 * However, resources in the local workspace use the folder
>-	 * the project is mapped to as the tag source (see TagSource)
>-	 */
>-	private String getCachePathFor(String remotePath) {
>-		return remotePath;
>+
>+	private TagCacheEntry getTagCacheEntryFor(String remotePath, boolean create) {
>+		String[] segments = new Path(null, remotePath).segments();
>+		TagCacheEntry currentTagCacheEntry = rootTagCacheEntry;
>+		for (int i = 0; i < segments.length; i++) {
>+			String segment = segments[i];
>+			if (currentTagCacheEntry.children.containsKey(segment)) {
>+				currentTagCacheEntry = (TagCacheEntry) currentTagCacheEntry.children
>+						.get(segment);
>+				continue;
>+			}
>+			if (!create) {
>+				return null;
>+			}
>+			TagCacheEntry newTagCacheEntry = new TagCacheEntry(new Path(null,
>+					remotePath).removeLastSegments(segments.length - (i + 1)),
>+					currentTagCacheEntry);
>+			currentTagCacheEntry.children.put(segment, newTagCacheEntry);
>+			currentTagCacheEntry = newTagCacheEntry;
>+		}
>+		return currentTagCacheEntry;
>+	}
>+
>+	private TagCacheEntry getKnownParentTagCacheEntryFor(String remotePath) {
>+		String[] segments = new Path(null, remotePath).segments();
>+		TagCacheEntry currentTagCacheEntry = rootTagCacheEntry;
>+		for (int i = 0; i < segments.length; i++) {
>+			String segment = segments[i];
>+			if (currentTagCacheEntry.children.containsKey(segment)) {
>+				currentTagCacheEntry = (TagCacheEntry) currentTagCacheEntry.children
>+						.get(segment);
>+			} else {
>+				break; // we reached the last existing parent
>+			}
>+		}
>+		return currentTagCacheEntry;
>+	}
>+
>+	private void removeTagsFromChildrenCacheEntries(TagCacheEntry entry,
>+			CVSTag[] tags) {
>+		for (int i = 0; i < tags.length; i++) {
>+			removeTagFromChildrenCacheEntries(entry, tags[i]);
>+		}
>+		entry.getTags().removeAll(Arrays.asList(tags));
>+		if (entry.isEmpty()) {
>+			// remove this entry when the last tags where removed
>+			// keep the entry if there are any children that have tags
>+			removeTagCacheEntry(entry);
>+		}
>+	}
>+
>+	private void removeTagCacheEntry(TagCacheEntry entry) {
>+		if (entry.parent == null) {
>+			// We cannot remove root tag cache entry
>+			return;
>+		}
>+		Map newParentChildren = new HashMap();
>+		newParentChildren.putAll(entry.parent.children);
>+		newParentChildren.remove(entry.path.lastSegment());
>+		entry.parent.children = newParentChildren;
>+		if (entry.parent.isEmpty()) {
>+			// remove parents if they no longer carry any value
>+			removeTagCacheEntry(entry.parent);
>+		}
>+	}
>+
>+	private void removeTagFromChildrenCacheEntries(TagCacheEntry entry,
>+			CVSTag tag) {
>+		Iterator childrenIterator = entry.getChildrenIterator();
>+		while (childrenIterator.hasNext()) {
>+			TagCacheEntry child = (TagCacheEntry) childrenIterator.next();
>+			removeTagFromChildrenCacheEntries(child, tag);
>+			child.getTags().remove(tag);
>+			if (child.isEmpty()) {
>+				// remove this entry when the last tag was removed
>+				// keep the entry if there are any children that have tags
>+				removeTagCacheEntry(child);
>+			}
>+		}
> 	}
> 	
> 	/**
>@@ -502,13 +627,13 @@
> 				attributes.put(RepositoriesViewContentHandler.TYPE_ATTRIBUTE, RepositoriesViewContentHandler.DEFINED_MODULE_TYPE);
> 			}
> 			attributes.put(RepositoriesViewContentHandler.PATH_ATTRIBUTE, name);
>-			TagCacheEntry entry = (TagCacheEntry)versionAndBranchTags.get(path);
>+			TagCacheEntry entry = getTagCacheEntryFor(path, false);
> 			boolean writeOutTags = entry != null && !entry.isExpired();
> 			if (writeOutTags)
> 			    attributes.put(RepositoriesViewContentHandler.LAST_ACCESS_TIME_ATTRIBUTE, Long.toString(entry.lastAccessTime));
> 			writer.startTag(RepositoriesViewContentHandler.MODULE_TAG, attributes, true);
> 			if (writeOutTags) {
>-				Iterator tagIt = entry.tags.iterator();
>+				Iterator tagIt = entry.getTags().iterator();
> 				while (tagIt.hasNext()) {
> 					CVSTag tag = (CVSTag)tagIt.next();
> 					writeATag(writer, attributes, tag, RepositoriesViewContentHandler.TAG_TAG);
>@@ -536,34 +661,81 @@
> 		writer.startAndEndTag(s, attributes, true);
> 	}
> 
>+	private void addAllKnownTagsForParents(TagCacheEntry entry, Set tags) {
>+		if (entry.parent != null) {
>+			addAllKnownTagsForParents(entry.parent, tags);
>+		}
>+		tags.addAll(entry.getTags());
>+	}
>+
>+	private void addAllKnownTagsForChildren(TagCacheEntry entry, Set tags) {
>+		Iterator childrenIterator = entry.getChildrenIterator();
>+		while (childrenIterator.hasNext()) {
>+			TagCacheEntry child = (TagCacheEntry) childrenIterator.next();
>+			addAllKnownTagsForChildren(child, tags);
>+		}
>+		tags.addAll(entry.getTags());
>+	}
>+
> 	/**
> 	 * Method getKnownTags.
> 	 * @param remotePath
> 	 * @return CVSTag[]
> 	 */
> 	public CVSTag[] getAllKnownTags(String remotePath) {
>-	    TagCacheEntry entry = (TagCacheEntry)versionAndBranchTags.get(getCachePathFor(remotePath));
>-		if(entry != null){
>-		    entry.accessed();
>-			CVSTag [] tags1 = (CVSTag[]) entry.tags.toArray(new CVSTag[entry.tags.size()]);
>-			CVSTag[] tags2 = getDateTags();
>-			int len = tags1.length + tags2.length;
>-			CVSTag[] tags = new CVSTag[len];
>-			for(int i = 0; i < len; i++){
>-				if(i < tags1.length){
>-					tags[i] = tags1[i];
>-				}else{
>-					tags[i] = tags2[i-tags1.length];
>-				}
>+		Set tags = new HashSet();
>+		addAllKnownTagsForParents(getKnownParentTagCacheEntryFor(remotePath),
>+				tags);
>+		TagCacheEntry entry = getTagCacheEntryFor(remotePath, false);
>+		if (entry != null) {
>+			addAllKnownTagsForChildren(entry, tags);
>+		}
>+		return (CVSTag[]) tags.toArray(new CVSTag[tags.size()]);
>+	}
>+
>+	public CVSTag[] getAllKnownTags() {
>+		Set tags = new HashSet();
>+		addAllKnownTagsForChildren(rootTagCacheEntry, tags);
>+		return (CVSTag[]) tags.toArray(new CVSTag[tags.size()]);
>+	}
>+
>+	public String[] getRemoteChildrenForTag(String remotePath, CVSTag tag) {
>+		TagCacheEntry entry;
>+		if (remotePath == null) {
>+			entry = rootTagCacheEntry;
>+		} else {
>+			entry = getTagCacheEntryFor(remotePath, false);
>+		}
>+		if (entry == null) {
>+			return new String[0];
>+		}
>+
>+		Set paths = new HashSet();
>+		Iterator childrenIterator = entry.getChildrenIterator();
>+		while (childrenIterator.hasNext()) {
>+			TagCacheEntry child = (TagCacheEntry) childrenIterator.next();
>+			Set childTags = new HashSet();
>+			addAllKnownTagsForChildren(child, childTags);
>+			if (childTags.contains(tag)) {
>+				paths.add(child.path.toString());
> 			}
>-			return tags;
> 		}
>-		return getDateTags();
>+		return (String[]) paths.toArray(new String[paths.size()]);
>+	}
>+
>+	private Set getKnownRemotePaths(TagCacheEntry entry) {
>+		Set paths = new HashSet();
>+		Iterator childrenIterator = entry.getChildrenIterator();
>+		while (childrenIterator.hasNext()) {
>+			paths.addAll(getKnownRemotePaths((TagCacheEntry) childrenIterator
>+					.next()));
>+		}
>+		paths.add(entry.path.toString());
>+		return paths;
> 	}
> 
> 	public String[] getKnownRemotePaths() {
>-		Set paths = new HashSet();
>-		paths.addAll(versionAndBranchTags.keySet());
>+		Set paths = getKnownRemotePaths(rootTagCacheEntry);
> 		paths.addAll(autoRefreshFiles.keySet());
> 		return (String[]) paths.toArray(new String[paths.size()]);
> 	}
>@@ -583,7 +755,7 @@
> 	public boolean tagIsKnown(ICVSRemoteResource remoteResource) {
> 		if (remoteResource instanceof ICVSRemoteFolder) {
> 			ICVSRemoteFolder folder = (ICVSRemoteFolder) remoteResource;
>-			String path = getCachePathFor(folder.getRepositoryRelativePath());
>+			String path = folder.getRepositoryRelativePath();
> 			CVSTag[] tags = getAllKnownTags(path);
> 			CVSTag tag = folder.getTag();
> 			for (int i = 0; i < tags.length; i++) {
>@@ -615,10 +787,10 @@
> 
>     /*
>      * Set the last access time of the cache entry for the given path
>-     * as it was read from the persitent store.
>+     * as it was read from the persistent store.
>      */
>     /* package */ void setLastAccessedTime(String remotePath, long lastAccessTime) {
>-	    TagCacheEntry entry = (TagCacheEntry)versionAndBranchTags.get(getCachePathFor(remotePath));
>+		TagCacheEntry entry = getTagCacheEntryFor(remotePath, false);
> 		if(entry != null){
> 		    entry.lastAccessTime = lastAccessTime;
> 		}
>#P org.eclipse.team.tests.cvs.core
>Index: src/org/eclipse/team/tests/ccvs/core/provider/AllTestsProvider.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.team.tests.cvs.core/src/org/eclipse/team/tests/ccvs/core/provider/AllTestsProvider.java,v
>retrieving revision 1.15
>diff -u -r1.15 AllTestsProvider.java
>--- src/org/eclipse/team/tests/ccvs/core/provider/AllTestsProvider.java	3 Jun 2008 13:35:59 -0000	1.15
>+++ src/org/eclipse/team/tests/ccvs/core/provider/AllTestsProvider.java	23 Mar 2012 11:09:11 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2007 IBM Corporation and others.
>+ * Copyright (c) 2000, 2012 IBM Corporation 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
>@@ -34,6 +34,7 @@
> 		suite.addTest(WatchEditTest.suite());
> 		suite.addTest(LinkResourcesTest.suite());
> 		suite.addTest(IsModifiedTests.suite());
>+		suite.addTest(RepositoryRootTest.suite());
> 		return new CVSTestSetup(suite);
> 	}
> }
>Index: src/org/eclipse/team/tests/ccvs/ui/AllUITests.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.team.tests.cvs.core/src/org/eclipse/team/tests/ccvs/ui/AllUITests.java,v
>retrieving revision 1.10
>diff -u -r1.10 AllUITests.java
>--- src/org/eclipse/team/tests/ccvs/ui/AllUITests.java	3 Jun 2008 13:35:59 -0000	1.10
>+++ src/org/eclipse/team/tests/ccvs/ui/AllUITests.java	23 Mar 2012 11:09:11 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2007 IBM Corporation and others.
>+ * Copyright (c) 2000, 2012 IBM Corporation 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
>@@ -28,6 +28,7 @@
> 
> 	public static Test suite() {
> 		TestSuite suite = new TestSuite();
>+		suite.addTest(RepositoriesViewTests.suite());
> 		suite.addTest(CheckoutOperationTests.suite());
> 		suite.addTest(CompareOperationTests.suite());
> 		suite.addTest(MiscOperationsTests.suite());
>Index: src/org/eclipse/team/tests/ccvs/core/provider/RepositoryRootTest.java
>===================================================================
>RCS file: src/org/eclipse/team/tests/ccvs/core/provider/RepositoryRootTest.java
>diff -N src/org/eclipse/team/tests/ccvs/core/provider/RepositoryRootTest.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/team/tests/ccvs/core/provider/RepositoryRootTest.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,397 @@
>+/*******************************************************************************
>+ * Copyright (c) 2012 IBM Corporation 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:
>+ *     IBM Corporation - initial API and implementation
>+ *******************************************************************************/
>+package org.eclipse.team.tests.ccvs.core.provider;
>+
>+import java.util.Arrays;
>+import java.util.List;
>+
>+import junit.framework.Test;
>+
>+import org.eclipse.core.resources.IFile;
>+import org.eclipse.core.resources.IFolder;
>+import org.eclipse.core.resources.IProject;
>+import org.eclipse.core.resources.IResource;
>+import org.eclipse.core.runtime.CoreException;
>+import org.eclipse.team.core.TeamException;
>+import org.eclipse.team.internal.ccvs.core.CVSException;
>+import org.eclipse.team.internal.ccvs.core.CVSTag;
>+import org.eclipse.team.internal.ccvs.core.ICVSFolder;
>+import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
>+import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
>+import org.eclipse.team.internal.ccvs.ui.repo.RepositoryManager;
>+import org.eclipse.team.internal.ccvs.ui.repo.RepositoryRoot;
>+import org.eclipse.team.tests.ccvs.core.EclipseTest;
>+
>+public class RepositoryRootTest extends EclipseTest {
>+
>+	private RepositoryRoot repositoryRoot;
>+	private RepositoryManager repositoryManager;
>+
>+	protected void setUp() throws Exception {
>+		super.setUp();
>+		repositoryManager = CVSUIPlugin.getPlugin().getRepositoryManager();
>+		repositoryRoot = repositoryManager
>+				.getRepositoryRootFor(getRepository());
>+		clearRepositoryRootCache();
>+	}
>+
>+	public static Test suite() {
>+		return suite(RepositoryRootTest.class);
>+	}
>+
>+	private void clearRepositoryRootCache() {
>+		String remotePaths[] = repositoryRoot.getKnownRemotePaths();
>+		for (int i = 0; i < remotePaths.length; i++) {
>+			repositoryRoot.removeTags(remotePaths[i],
>+					repositoryRoot.getAllKnownTags(remotePaths[i]));
>+		}
>+		assertEquals("Repository cache was not cleaned.", 0,
>+				repositoryRoot.getAllKnownTags().length);
>+	}
>+
>+	private CVSTag[] refreshTags(IProject project) throws TeamException {
>+		return refreshTags(CVSWorkspaceRoot.getCVSFolderFor(project));
>+	}
>+
>+	private CVSTag[] refreshTags(ICVSFolder folder) throws TeamException {
>+		return repositoryManager.refreshDefinedTags(folder, true, true,
>+				DEFAULT_MONITOR);
>+	}
>+
>+	private IProject createProject(String baseName, String repoPrefix)
>+			throws CoreException {
>+		// create project
>+		IProject project = getUniqueTestProject(baseName);
>+		// share project under module
>+		shareProject(getRepository(), project,
>+				repoPrefix == null ? project.getName()
>+						: (repoPrefix + "/" + project.getName()),
>+				DEFAULT_MONITOR);
>+		assertValidCheckout(project);
>+		// add some files
>+		addResources(project, new String[] { "file1.txt" }, true);
>+		return project;
>+	}
>+
>+	private void assertTags(List knownTags, CVSTag[] tagsToHave,
>+			CVSTag[] tagsNotToHave) {
>+		for (int i = 0; i < tagsToHave.length; i++) {
>+			assertTrue("Missing tag " + tagsToHave[i].getName(),
>+					knownTags.contains(tagsToHave[i]));
>+		}
>+		for (int i = 0; i < tagsNotToHave.length; i++) {
>+			assertFalse("Extraneous tag " + tagsNotToHave[i].getName(),
>+					knownTags.contains(tagsNotToHave[i]));
>+		}
>+	}
>+
>+	private void assertProjectTags(CVSCacheTestData data) throws CVSException {
>+		// Root should contain all known tags
>+		List knownTags = Arrays.asList(repositoryRoot.getAllKnownTags());
>+		assertTags(knownTags,
>+				new CVSTag[] { data.branch_1, data.branch_2, data.branch_3,
>+						data.version_1, data.version_2, data.version_3 },
>+				new CVSTag[0]);
>+
>+		// Project_1 should contain Branch_1 and Branch_2
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(data.project1)));
>+		assertTags(knownTags, new CVSTag[] { data.branch_1, data.branch_2,
>+				data.version_1, data.version_2 }, new CVSTag[] { data.branch_3,
>+				data.version_3 });
>+		// Project_2 should contain Branch_1 and Branch_3
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(data.project2)));
>+		assertTags(knownTags, new CVSTag[] { data.branch_1, data.branch_3,
>+				data.version_1, data.version_3 }, new CVSTag[] { data.branch_2,
>+				data.version_2 });
>+	}
>+
>+	private class CVSCacheTestData {
>+		IProject project1; // tagged with Branch_1 and Branch_2
>+		IProject project2; // tagged with Branch_1 and Branch_3
>+		CVSTag branch_1;
>+		CVSTag branch_2;
>+		CVSTag branch_3;
>+		CVSTag version_1;
>+		CVSTag version_2;
>+		CVSTag version_3;
>+
>+		private void init(String project1Path, String project2Path)
>+				throws CoreException {
>+			project1 = createProject("Project_1", project1Path);
>+			project2 = createProject("Project_2", project2Path);
>+			branch_1 = new CVSTag("Branch_1" + System.currentTimeMillis(),
>+					CVSTag.BRANCH);
>+			version_1 = new CVSTag("Root_" + branch_1.getName(), CVSTag.VERSION);
>+			branch_2 = new CVSTag("Branch_2" + System.currentTimeMillis(),
>+					CVSTag.BRANCH);
>+			version_2 = new CVSTag("Root_" + branch_2.getName(), CVSTag.VERSION);
>+			branch_3 = new CVSTag("Branch_3" + System.currentTimeMillis(),
>+					CVSTag.BRANCH);
>+			version_3 = new CVSTag("Root_" + branch_3.getName(), CVSTag.VERSION);
>+
>+			makeBranch(new IResource[] { project1, project2 }, version_1,
>+					branch_1, true);
>+			makeBranch(new IResource[] { project1 }, version_2, branch_2, true);
>+			makeBranch(new IResource[] { project2 }, version_3, branch_3, true);
>+		}
>+
>+		public CVSCacheTestData(String project1Path, String project2Path)
>+				throws CoreException {
>+			init(project1Path, project2Path);
>+		}
>+	}
>+
>+	public void testProjectsAtRoot() throws CoreException {
>+		CVSCacheTestData data = new CVSCacheTestData(null, null);
>+
>+		// verify that tags are correct after creating branches
>+		assertProjectTags(data);
>+
>+		clearRepositoryRootCache();
>+		refreshTags(data.project1);
>+		refreshTags(data.project2);
>+		assertProjectTags(data);
>+	}
>+
>+	public void testProjectsInSubmodule() throws CoreException {
>+		String submodule = "Submodule_1" + System.currentTimeMillis();
>+		CVSCacheTestData data = new CVSCacheTestData(submodule, submodule);
>+		ICVSFolder submoduleFolder = repositoryRoot.getRemoteFolder(submodule,
>+				null, getMonitor());
>+
>+		// verify that tags are correct after creating branches
>+		assertProjectTags(data);
>+
>+		clearRepositoryRootCache();
>+		refreshTags(data.project1);
>+		refreshTags(data.project2);
>+		assertProjectTags(data);
>+		// verify that parent module has tags from both projects
>+		List knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(submoduleFolder));
>+		assertTags(knownTags,
>+				new CVSTag[] { data.branch_1, data.branch_2, data.branch_3,
>+						data.version_1, data.version_2, data.version_3 },
>+				new CVSTag[0]);
>+
>+		clearRepositoryRootCache();
>+		refreshTags(submoduleFolder);
>+		assertProjectTags(data);
>+		// verify that parent module has tags from both projects
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(submoduleFolder));
>+		assertTags(knownTags,
>+				new CVSTag[] { data.branch_1, data.branch_2, data.branch_3,
>+						data.version_1, data.version_2, data.version_3 },
>+				new CVSTag[0]);
>+	}
>+
>+	public void testProjectsInTwoSubmodules() throws CoreException {
>+		String submodule1 = "Submodule_1" + System.currentTimeMillis();
>+		String submodule2 = "Submodule_2" + System.currentTimeMillis();
>+		CVSCacheTestData data = new CVSCacheTestData(submodule1, submodule2);
>+		ICVSFolder submoduleFolder1 = repositoryRoot.getRemoteFolder(
>+				submodule1, null, getMonitor());
>+		ICVSFolder submoduleFolder2 = repositoryRoot.getRemoteFolder(
>+				submodule2, null, getMonitor());
>+
>+		// verify that tags are correct after creating branches
>+		assertProjectTags(data);
>+
>+		clearRepositoryRootCache();
>+		refreshTags(data.project1);
>+		refreshTags(data.project2);
>+		assertProjectTags(data);
>+		// verify that parent modules have tags from subordinate project, but
>+		// not the other project
>+		List knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(submoduleFolder1));
>+		assertTags(knownTags, new CVSTag[] { data.branch_1, data.branch_2,
>+				data.version_1, data.version_2 }, new CVSTag[] { data.branch_3,
>+				data.version_3 });
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(submoduleFolder2));
>+		assertTags(knownTags, new CVSTag[] { data.branch_1, data.branch_3,
>+				data.version_1, data.version_3 }, new CVSTag[] { data.branch_2,
>+				data.version_2 });
>+		// clear the cache, refresh it only one for submodule and verify if tags
>+		// are correct
>+		clearRepositoryRootCache();
>+		refreshTags(submoduleFolder1);
>+
>+		// verify that correct tags where added to this submodule
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(submoduleFolder1));
>+		assertTags(knownTags, new CVSTag[] { data.branch_1, data.branch_2,
>+				data.version_1, data.version_2 }, new CVSTag[] { data.branch_3,
>+				data.version_3 });
>+		// verify if only tags from the first submodule are known
>+		knownTags = Arrays.asList(repositoryRoot.getAllKnownTags());
>+		assertTags(knownTags, new CVSTag[] { data.branch_1, data.branch_2,
>+				data.version_1, data.version_2 }, new CVSTag[] { data.branch_3,
>+				data.version_3 });
>+
>+		refreshTags(submoduleFolder2);
>+		// verify tags for the second submodule
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(submoduleFolder2));
>+		assertTags(knownTags, new CVSTag[] { data.branch_1, data.branch_3,
>+				data.version_1, data.version_3 }, new CVSTag[] { data.branch_2,
>+				data.version_2 });
>+		// verify if tags are merged correctly
>+		assertProjectTags(data);
>+	}
>+
>+	public void testNestedProjects() throws CoreException {
>+		IProject superProject = createProject("SuperProject", (String) null);
>+		CVSTag superProjectBranch = new CVSTag("Branch_"
>+				+ superProject.getName(), CVSTag.BRANCH);
>+		CVSTag superProjectVersion = new CVSTag("Root_"
>+				+ superProjectBranch.getName(), CVSTag.VERSION);
>+		makeBranch(new IResource[] { superProject }, superProjectVersion,
>+				superProjectBranch, true);
>+		// subProject1 and subProject2 are nested in superProject
>+		// each of them has its own tags
>+		IProject subProject1 = createProject("SubProject_1",
>+				superProject.getName());
>+		CVSTag subProject1Branch = new CVSTag(
>+				"Branch_" + subProject1.getName(), CVSTag.BRANCH);
>+		CVSTag subProject1Version = new CVSTag("Root_"
>+				+ subProject1Branch.getName(), CVSTag.VERSION);
>+		makeBranch(new IResource[] { subProject1 }, subProject1Version,
>+				subProject1Branch, true);
>+		IProject subProject2 = createProject("SubProject_2",
>+				superProject.getName());
>+		CVSTag subProject2Branch = new CVSTag(
>+				"Branch_" + subProject2.getName(), CVSTag.BRANCH);
>+		CVSTag subProject2Version = new CVSTag("Root_"
>+				+ subProject2Branch.getName(), CVSTag.VERSION);
>+		makeBranch(new IResource[] { subProject2 }, subProject2Version,
>+				subProject2Branch, true);
>+		// check if subProjects have tags from superProject but not tags from
>+		// each other, check if superProject has tags from all subProjects
>+		List knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(superProject)));
>+		assertTags(knownTags, new CVSTag[] { superProjectBranch,
>+				superProjectVersion, subProject1Branch, subProject1Version,
>+				subProject2Branch, subProject2Version }, new CVSTag[0]);
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(subProject1)));
>+		assertTags(knownTags, new CVSTag[] { superProjectBranch,
>+				superProjectVersion, subProject1Branch, subProject1Version },
>+				new CVSTag[] { subProject2Branch, subProject2Version });
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(subProject2)));
>+		assertTags(knownTags, new CVSTag[] { superProjectBranch,
>+				superProjectVersion, subProject2Branch, subProject2Version },
>+				new CVSTag[] { subProject1Branch, subProject1Version });
>+		// remove tag from one of the subProjects, check if it was not removed
>+		// from the other subProject, check if superProject still has this tag
>+		repositoryManager.removeTags(
>+				CVSWorkspaceRoot.getCVSFolderFor(subProject1), new CVSTag[] {
>+						superProjectBranch, superProjectVersion });
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(superProject)));
>+		assertTags(knownTags, new CVSTag[] { superProjectBranch,
>+				superProjectVersion, subProject1Branch, subProject1Version,
>+				subProject2Branch, subProject2Version }, new CVSTag[0]);
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(subProject1)));
>+		assertTags(knownTags, new CVSTag[] { subProject1Branch,
>+				subProject1Version }, new CVSTag[] { subProject2Branch,
>+				subProject2Version });
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(subProject2)));
>+		assertTags(knownTags, new CVSTag[] { superProjectBranch,
>+				superProjectVersion, subProject2Branch, subProject2Version },
>+				new CVSTag[] { subProject1Branch, subProject1Version });
>+	}
>+
>+	public void testTagsForSubfolder() throws TeamException, CoreException {
>+		IProject project = createProject("Project_1", (String) null);
>+		String folderName = "testFolder";
>+		addResources(project, new String[] { folderName + "/",
>+				folderName + "/testFile.txt" }, true);
>+		IFolder folder = project.getFolder(folderName);
>+		CVSTag branch1 = new CVSTag("Branch_1" + System.currentTimeMillis(),
>+				CVSTag.BRANCH);
>+		CVSTag version1 = new CVSTag("Root_" + branch1.getName(),
>+				CVSTag.VERSION);
>+		makeBranch(new IResource[] { project }, version1, branch1, true);
>+		// verify if project's tags are known for subfolder
>+		ICVSFolder cvsFolder = CVSWorkspaceRoot.getCVSFolderFor(folder);
>+		List knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(cvsFolder));
>+		assertTags(knownTags, new CVSTag[] { branch1, version1 }, new CVSTag[0]);
>+		// verify if removing tags from subfolder is correctly handled
>+		repositoryManager.removeTags(cvsFolder, new CVSTag[] { branch1,
>+				version1 });
>+		knownTags = Arrays.asList(repositoryManager.getKnownTags(cvsFolder));
>+		assertTags(knownTags, new CVSTag[0], new CVSTag[] { branch1, version1 });
>+		// verify if after refreshing tags are back for both project and its
>+		// subfolder
>+		refreshTags(cvsFolder);
>+		knownTags = Arrays.asList(repositoryManager.getKnownTags(cvsFolder));
>+		assertTags(knownTags, new CVSTag[] { branch1, version1 }, new CVSTag[0]);
>+		knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(project)));
>+		assertTags(knownTags, new CVSTag[] { branch1, version1 }, new CVSTag[0]);
>+	}
>+
>+	public void testRefreshProjectUsingAutoRefreshFile() throws CoreException {
>+		IProject project = createProject("Project_1", (String) null);
>+		String autoRefreshFileName = "sampleAuthoRefresh.txt";
>+		String notAutoRefreshFileName = "notAutoRefresh.txt";
>+		addResources(project, new String[] { autoRefreshFileName,
>+				notAutoRefreshFileName }, true);
>+		IFile autoRefreshFile = project.getFile(autoRefreshFileName);
>+		IFile notAutoRefreshFile = project.getFile(notAutoRefreshFileName);
>+		repositoryManager.setAutoRefreshFiles(
>+				CVSWorkspaceRoot.getCVSFolderFor(project),
>+				new String[] { CVSWorkspaceRoot.getCVSResourceFor(
>+						autoRefreshFile).getRepositoryRelativePath() });
>+		CVSTag branch1 = new CVSTag("Branch_1" + System.currentTimeMillis(),
>+				CVSTag.BRANCH);
>+		CVSTag version1 = new CVSTag("Root_" + branch1.getName(),
>+				CVSTag.VERSION);
>+		// branch the auto refresh file
>+		makeBranch(new IResource[] { autoRefreshFile }, version1, branch1, true);
>+		CVSTag branch2 = new CVSTag("Branch_2" + System.currentTimeMillis(),
>+				CVSTag.BRANCH);
>+		CVSTag version2 = new CVSTag("Root_" + branch2.getName(),
>+				CVSTag.VERSION);
>+		// branch not auto refresh file
>+		makeBranch(new IResource[] { notAutoRefreshFile }, version2, branch2,
>+				true);
>+
>+		clearRepositoryRootCache();
>+		refreshTags(project);
>+
>+		// cache should contain branches from auto refresh file, but no branches
>+		// from other files
>+		List knownTags = Arrays.asList(repositoryManager
>+				.getKnownTags(CVSWorkspaceRoot.getCVSFolderFor(project)));
>+		assertTags(knownTags, new CVSTag[] { branch1, version1 }, new CVSTag[] {
>+				branch2, version2 });
>+	}
>+
>+	public void testProjectWithNoTags() throws CoreException {
>+		IProject project = createProject("Project_1", (String) null);
>+		CVSTag knownTags[] = repositoryManager.getKnownTags(CVSWorkspaceRoot
>+				.getCVSFolderFor(project));
>+		assertEquals(0, knownTags.length);
>+		knownTags = refreshTags(project);
>+		assertEquals(0, knownTags.length);
>+	}
>+
>+}
>Index: src/org/eclipse/team/tests/ccvs/ui/RepositoriesViewTests.java
>===================================================================
>RCS file: src/org/eclipse/team/tests/ccvs/ui/RepositoriesViewTests.java
>diff -N src/org/eclipse/team/tests/ccvs/ui/RepositoriesViewTests.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/team/tests/ccvs/ui/RepositoriesViewTests.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,254 @@
>+/*******************************************************************************
>+ * Copyright (c) 2011, 2012 IBM Corporation 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:
>+ *     IBM Corporation - initial API and implementation
>+ *******************************************************************************/
>+package org.eclipse.team.tests.ccvs.ui;
>+
>+import junit.framework.Test;
>+import junit.framework.TestSuite;
>+
>+import org.eclipse.core.resources.IProject;
>+import org.eclipse.core.resources.IResource;
>+import org.eclipse.core.runtime.CoreException;
>+import org.eclipse.team.core.TeamException;
>+import org.eclipse.team.internal.ccvs.core.CVSTag;
>+import org.eclipse.team.internal.ccvs.core.resources.RemoteFolder;
>+import org.eclipse.team.internal.ccvs.core.resources.RemoteResource;
>+import org.eclipse.team.internal.ccvs.ui.model.AllRootsElement;
>+import org.eclipse.team.internal.ccvs.ui.model.BranchCategory;
>+import org.eclipse.team.internal.ccvs.ui.model.CVSTagElement;
>+import org.eclipse.team.internal.ccvs.ui.model.RemoteContentProvider;
>+import org.eclipse.team.internal.ccvs.ui.model.RemoteModule;
>+import org.eclipse.team.internal.ccvs.ui.model.VersionCategory;
>+import org.eclipse.team.internal.ccvs.ui.repo.RepositoryRoot;
>+import org.eclipse.team.tests.ccvs.core.CVSTestSetup;
>+import org.eclipse.team.tests.ccvs.core.EclipseTest;
>+
>+public class RepositoriesViewTests extends EclipseTest {
>+
>+	public RepositoriesViewTests(String testName) {
>+		super(testName);
>+	}
>+
>+	protected void setUp() throws Exception {
>+		super.setUp();
>+		// clear repository root cache
>+		RepositoryRoot repositoryRoot = getRepositoryRoot();
>+		String remotePaths[] = repositoryRoot.getKnownRemotePaths();
>+		for (int i = 0; i < remotePaths.length; i++) {
>+			repositoryRoot.removeTags(remotePaths[i],
>+					repositoryRoot.getAllKnownTags(remotePaths[i]));
>+		}
>+	}
>+
>+	private RepositoryRoot getRepositoryRoot() {
>+		RemoteContentProvider rcp = new RemoteContentProvider();
>+		AllRootsElement are = new AllRootsElement();
>+		Object[] repositoryRoots = rcp.getElements(are);
>+		for (int i = 0; i < repositoryRoots.length; i++) {
>+			RepositoryRoot repositoryRoot = (RepositoryRoot) repositoryRoots[i];
>+			if (getRepository().equals(repositoryRoot.getRoot())) {
>+				return repositoryRoot;
>+			}
>+		}
>+		fail(getRepository() + " not found");
>+		return null;
>+	}
>+
>+	public static Test suite() {
>+		String testName = System.getProperty("eclipse.cvs.testName");
>+		if (testName == null) {
>+			TestSuite suite = new TestSuite(RepositoriesViewTests.class);
>+			return new CVSTestSetup(suite);
>+		} else {
>+			return new CVSTestSetup(new RepositoriesViewTests(testName));
>+		}
>+	}
>+
>+	public void testBranchSubmoduleChildren() throws TeamException,
>+			CoreException {
>+
>+		String time = Long.toString(System.currentTimeMillis());
>+		String moduleName = "TestBranchSubmoduleChildrenTestModule" + time;
>+		String branchName = "TestBranchSubmoduleChildrenBranch" + time;
>+		String versionName = "Root_" + branchName;
>+
>+		// create project
>+		IProject project = getUniqueTestProject("TestBranchSubmoduleChildrenProject");
>+		// share project under module
>+		shareProject(getRepository(), project,
>+				moduleName + "/" + project.getName(), DEFAULT_MONITOR);
>+		assertValidCheckout(project);
>+
>+		// add some files
>+		addResources(project, new String[] { "file1.txt" }, true);
>+
>+		// make branch
>+		CVSTag version = new CVSTag(versionName, CVSTag.VERSION);
>+		CVSTag branch = new CVSTag(branchName, CVSTag.BRANCH);
>+
>+		makeBranch(new IResource[] { project }, version, branch, true);
>+
>+		// check if module is the only branch child
>+		RemoteContentProvider rcp = new RemoteContentProvider();
>+		Object[] categories = rcp.getChildren(getRepositoryRoot());
>+		assertEquals(4, categories.length);
>+		assertTrue(categories[1] instanceof BranchCategory);
>+		Object[] branches = rcp.getChildren(categories[1]);
>+		assertEquals(1, branches.length);
>+		assertEquals(branchName, ((CVSTagElement) (branches[0])).getTag()
>+				.getName());
>+		Object[] modules = rcp.getChildren(branches[0]);
>+		assertEquals(1, modules.length);
>+		assertEquals(moduleName, ((RemoteResource) modules[0]).getName());
>+
>+		// check if after refresh module is still the only branch child
>+		branches = rcp.getChildren(categories[1]);
>+		assertEquals(1, branches.length);
>+		assertEquals(branchName, ((CVSTagElement) (branches[0])).getTag()
>+				.getName());
>+		modules = rcp.getChildren(branches[0]);
>+		assertEquals(1, modules.length);
>+		assertEquals(moduleName, ((RemoteResource) modules[0]).getName());
>+	}
>+
>+	public void testTagSubmoduleChildren() throws TeamException, CoreException {
>+
>+		String time = Long.toString(System.currentTimeMillis());
>+		String moduleName = "TestTagSubmoduleChildrenTestModule" + time;
>+		String versionName = "TestTagSubmoduleChildrenBranch" + time;
>+
>+		// create project
>+		IProject project = getUniqueTestProject("TestTagSubmoduleChildrenProject");
>+		// share project under module
>+		shareProject(getRepository(), project,
>+				moduleName + "/" + project.getName(), DEFAULT_MONITOR);
>+		assertValidCheckout(project);
>+
>+		// make some changes
>+		addResources(project, new String[] { "file1.txt" }, true);
>+
>+		// tag project
>+		CVSTag tag = new CVSTag(versionName, CVSTag.VERSION);
>+
>+		tagProject(project, tag, true);
>+
>+
>+		RemoteContentProvider rcp = new RemoteContentProvider();
>+		Object[] categories = rcp.getChildren(getRepositoryRoot());
>+		assertEquals(4, categories.length);
>+
>+		// check if version exists for module
>+		assertTrue(categories[2] instanceof VersionCategory);
>+		Object[] modules = rcp.getChildren(categories[2]);
>+		for (int i = 0; i < modules.length; i++) {
>+			if (modules[i] instanceof RemoteModule
>+					&& ((RemoteModule) (modules[i])).getCVSResource().getName()
>+							.equals(moduleName)) {
>+				Object folders[] = rcp.getChildren(modules[i]);
>+				assertEquals(1, folders.length);
>+				assertEquals(versionName, ((RemoteFolder) folders[0]).getTag()
>+						.getName());
>+				return;
>+			}
>+		}
>+		fail(moduleName + " not found");
>+	}
>+
>+	public void testTagsOnDifferentLevels() throws CoreException {
>+		String time = Long.toString(System.currentTimeMillis());
>+		String firstModule = "Module_1" + time;
>+		String secondModule = "Module_2" + time;
>+		String secondModulePath = firstModule + "/" + secondModule;
>+		// Create repository data
>+		// Module_1/Project_1
>+		IProject project1 = getUniqueTestProject("Project_1");
>+		shareProject(getRepository(), project1,
>+				firstModule + "/" + project1.getName(), DEFAULT_MONITOR);
>+		// Module_1/Module_2/Project_2
>+		IProject project2 = getUniqueTestProject("Project_2");
>+		shareProject(getRepository(), project2, secondModulePath + "/"
>+				+ project2.getName(), DEFAULT_MONITOR);
>+		// Module_1/Module_2/Project_3
>+		IProject project3 = getUniqueTestProject("Project_3");
>+		shareProject(getRepository(), project3, secondModulePath + "/"
>+				+ project3.getName(), DEFAULT_MONITOR);
>+		// Module_1/Project_4
>+		IProject project4 = getUniqueTestProject("Project_4");
>+		shareProject(getRepository(), project4,
>+				firstModule + "/" + project4.getName(), DEFAULT_MONITOR);
>+
>+		// Create branches
>+		String branch1 = "Branch_1" + time;
>+		String version1 = "Root_" + branch1;
>+		String branch2 = "Branch_2" + time;
>+		String version2 = "Root_" + branch2;
>+
>+		// Tag projects:
>+		// Module_1/Project_1 -> [Branch_1][Branch_2]
>+		// Module_1/Module_2/Project_2 -> [Branch_1][Branch_2]
>+		// Module_1/Module_2/Project_3 -> [Branch_2]
>+		// Module_1/Project_4 -> [Branch_4]
>+		makeBranch(new IResource[] { project1, project2 }, new CVSTag(version1,
>+				CVSTag.VERSION), new CVSTag(branch1, CVSTag.BRANCH), true);
>+		makeBranch(new IResource[] { project1, project2, project2, project4 },
>+				new CVSTag(version2, CVSTag.VERSION), new CVSTag(branch2,
>+						CVSTag.BRANCH), true);
>+
>+		// verify if tree structure is built from cache
>+		RemoteContentProvider rcp = new RemoteContentProvider();
>+		Object[] categories = rcp.getChildren(getRepositoryRoot());
>+		assertEquals(4, categories.length);
>+		assertTrue(categories[1] instanceof BranchCategory);
>+		Object[] branches = rcp.getChildren(categories[1]);
>+		assertEquals(2, branches.length); // should be [Branch_1] and [Branch_2]
>+		CVSTagElement branch1Element;
>+		CVSTagElement branch2Element;
>+		if (((CVSTagElement) branches[0]).getTag().getName().equals(branch1)) {
>+			branch1Element = (CVSTagElement) branches[0];
>+			branch2Element = (CVSTagElement) branches[1];
>+		} else {
>+			branch1Element = (CVSTagElement) branches[1];
>+			branch2Element = (CVSTagElement) branches[0];
>+		}
>+		Object[] modules = rcp.getChildren(branch1Element);
>+		assertEquals(1, modules.length); // should be [Branch_1]/Module_1
>+		assertEquals(firstModule, ((RemoteResource) modules[0]).getName());
>+		modules = rcp.getChildren(modules[0]);
>+		// should contain:
>+		// [Branch_1]/Module_1/Project_1
>+		// [Branch_1]/Module_1/Module_2
>+		assertEquals(2, modules.length);
>+		for (int i = 0; i < modules.length; i++) {
>+			if (((RemoteResource) (modules[i])).getName().equals(
>+					project1.getName())) {
>+				// Project_1 should have contents retrieved from CVS
>+				assertTrue(rcp.hasChildren(modules[i]));
>+			} else if (((RemoteResource) (modules[i])).getName().equals(
>+					secondModule)) {
>+				// should be only [Branch_1]/Module_1/Module_2/Project_2.
>+				// [Branch_1]/Module_1/Module_2/Project_3 should NOT be on the
>+				// list, it is not branched with Branch_1
>+				Object[] module2Children = rcp.getChildren(modules[i]);
>+				assertEquals(1, module2Children.length);
>+				assertEquals(project2.getName(),
>+						((RemoteResource) module2Children[0]).getName());
>+			}
>+		}
>+		modules = rcp.getChildren(branch2Element);
>+		assertEquals(1, modules.length); // should be [Branch_2]/Module_1
>+		assertEquals(firstModule, ((RemoteResource) modules[0]).getName());
>+		// should contain:
>+		// [Branch_2]/Module_1/Project_1
>+		// [Branch_2]/Module_1/Module_2
>+		// [Branch_2]/Module_1/Project_4
>+		modules = rcp.getChildren(modules[0]);
>+		assertEquals(3, modules.length);
>+	}
>+}

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Attachments on bug 361926: 206585 | 206662 | 212811 | 213100 | 214721