This exposes DeletedNodes through AVMService via calls for lookup

and directory listing that take an includeLinks flag.  Original calls 
(w/o a flag) should have unchanged behavior. 


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3752 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/avm/AVMRepository.java

@@ -207,7 +207,7 @@ public class AVMRepository
         fLookupCount.set(1);
         String [] pathParts = SplitPath(srcPath);
         AVMStore srcRepo = getAVMStoreByName(pathParts[0]);
-        Lookup sPath = srcRepo.lookup(version, pathParts[1], false);
+        Lookup sPath = srcRepo.lookup(version, pathParts[1], false, false);
         // Lookup the destination directory.
         fLookupCount.set(1);
         pathParts = SplitPath(dstPath);
@@ -276,7 +276,7 @@ public class AVMRepository
         AVMStore srcRepo = getAVMStoreByName(pathParts[0]);
         Lookup sPath = srcRepo.lookupDirectory(-1, pathParts[1], true);
         DirectoryNode srcDir = (DirectoryNode)sPath.getCurrentNode();
-        AVMNode srcNode = srcDir.lookupChild(sPath, srcName, -1, true);
+        AVMNode srcNode = srcDir.lookupChild(sPath, srcName, -1, true, false);
         if (srcNode == null)
         {
             throw new AVMNotFoundException("Not found: " + srcName);
@@ -286,7 +286,7 @@ public class AVMRepository
         AVMStore dstRepo = getAVMStoreByName(pathParts[0]);
         Lookup dPath = dstRepo.lookupDirectory(-1, pathParts[1], true);
         DirectoryNode dstDir = (DirectoryNode)dPath.getCurrentNode();
-        AVMNode dstNode = dstDir.lookupChild(dPath, dstName, -1, true);
+        AVMNode dstNode = dstDir.lookupChild(dPath, dstName, -1, true, false);
         if (dstNode != null)
         {
             throw new AVMExistsException("Node exists: " + dstName);
@@ -487,14 +487,16 @@ public class AVMRepository
      * Get a listing of a directory.
      * @param version The version to look under.
      * @param path The path to the directory.
+     * @param includeDeleted Whether to see DeletedNodes.
      * @return A List of FolderEntries.
      */
-    public SortedMap<String, AVMNodeDescriptor> getListing(int version, String path)
+    public SortedMap<String, AVMNodeDescriptor> getListing(int version, String path,
+                                                           boolean includeDeleted)
     {
         fLookupCount.set(1);
         String [] pathParts = SplitPath(path);
         AVMStore store = getAVMStoreByName(pathParts[0]);
-        return store.getListing(version, pathParts[1]);
+        return store.getListing(version, pathParts[1], includeDeleted);
     }
 
     /**
@@ -503,12 +505,13 @@ public class AVMRepository
      * @param path The path to the directory to list.
      * @return A Map of names to descriptors.
      */
-    public SortedMap<String, AVMNodeDescriptor> getListingDirect(int version, String path)
+    public SortedMap<String, AVMNodeDescriptor> getListingDirect(int version, String path,
+                                                                 boolean includeDeleted)
     {
         fLookupCount.set(1);
         String [] pathParts = SplitPath(path);
         AVMStore store = getAVMStoreByName(pathParts[0]);
-        return store.getListingDirect(version, pathParts[1]);
+        return store.getListingDirect(version, pathParts[1], includeDeleted);
     }
     
     /**
@@ -516,7 +519,7 @@ public class AVMRepository
      * @param dir The directory node descriptor.
      * @return A SortedMap listing.
      */
-    public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir)
+    public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir, boolean includeDeleted)
     {
         fLookupCount.set(1);
         AVMNode node = AVMContext.fgInstance.fAVMNodeDAO.getByID(dir.getId());
@@ -526,7 +529,7 @@ public class AVMRepository
             throw new AVMWrongTypeException("Not a directory.");
         }
         DirectoryNode dirNode = (DirectoryNode)node;
-        return dirNode.getListing(dir);
+        return dirNode.getListing(dir, includeDeleted);
     }
     
     /**
@@ -674,9 +677,10 @@ public class AVMRepository
      * Lookup a node.
      * @param version The version to look under.
      * @param path The path to lookup.
+     * @param includeDeleted Whether to see DeletedNodes.
      * @return A lookup object.
      */
-    public Lookup lookup(int version, String path)
+    public Lookup lookup(int version, String path, boolean includeDeleted)
     {
         Integer count = fLookupCount.get();
         try
@@ -695,7 +699,7 @@ public class AVMRepository
             }
             String [] pathParts = SplitPath(path);
             AVMStore store = getAVMStoreByName(pathParts[0]);
-            Lookup result = store.lookup(version, pathParts[1], false);
+            Lookup result = store.lookup(version, pathParts[1], false, includeDeleted);
             return result;
         }
         finally
@@ -713,7 +717,7 @@ public class AVMRepository
      * @param name The name of the child to lookup.
      * @return The child's descriptor.
      */
-    public AVMNodeDescriptor lookup(AVMNodeDescriptor dir, String name)
+    public AVMNodeDescriptor lookup(AVMNodeDescriptor dir, String name, boolean includeDeleted)
     {
         fLookupCount.set(0);
         AVMNode node = AVMContext.fgInstance.fAVMNodeDAO.getByID(dir.getId());
@@ -727,7 +731,7 @@ public class AVMRepository
             throw new AVMWrongTypeException("Not a directory.");
         }
         DirectoryNode dirNode = (DirectoryNode)node;
-        return dirNode.lookupChild(dir, name);
+        return dirNode.lookupChild(dir, name, includeDeleted);
     }
     
     /**
@@ -741,7 +745,7 @@ public class AVMRepository
         fLookupCount.set(1);
         String [] pathParts = SplitPath(path);
         AVMStore store = getAVMStoreByName(pathParts[0]);
-        Lookup lookup = store.lookup(version, pathParts[1], false);
+        Lookup lookup = store.lookup(version, pathParts[1], false, false);
         return new LayeringDescriptor(!lookup.getDirectlyContained(),
                                       lookup.getAVMStore().getDescriptor(),
                                       lookup.getFinalStore().getDescriptor());

source/java/org/alfresco/repo/avm/AVMServiceImpl.java

@@ -107,12 +107,30 @@ public class AVMServiceImpl implements AVMService
      * @param path The path to lookup.
      */
     public SortedMap<String, AVMNodeDescriptor> getDirectoryListing(int version, String path)
+    {
+        return getDirectoryListing(version, path, false);
+    }
+
+    /**
+     * Get a listing of a Folder by name, with the option of seeing
+     * Deleted Nodes.
+     * @param version The version id to look in.
+     * @param path The simple absolute path to the file node.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return A Map of names to descriptors.
+     * @throws AVMNotFoundException If <code>path</code> is not found.
+     * @throws AVMWrongTypeException If <code>path</code> contains a non-terminal
+     * component that is not a directory, or if <code>path</code> is not pointing
+     * at a directory.
+     */
+    public SortedMap<String, AVMNodeDescriptor> getDirectoryListing(int version, String path,
+                                                                    boolean includeDeleted)
     {
         if (path == null)
         {
             throw new AVMBadArgumentException("Null path.");
         }
-        return fAVMRepository.getListing(version, path);
+        return fAVMRepository.getListing(version, path, includeDeleted);        
     }
 
     /**
@@ -128,26 +146,59 @@ public class AVMServiceImpl implements AVMService
      */
     public SortedMap<String, AVMNodeDescriptor> 
         getDirectoryListingDirect(int version, String path)
+    {
+        return getDirectoryListingDirect(version, path, false);
+    }
+    
+    /**
+     * Get the listing of nodes contained directly in a directory. This is the
+     * same as getDirectoryListing for PlainDirectories, but returns only those that
+     * are directly contained in a layered directory. This has the option of
+     * seeing Deleted Nodes.
+     * @param version The version to look up.
+     * @param path The full path to get listing for.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return A Map of names to descriptors.
+     * @throws AVMNotFoundException If <code>path</code> does not exist.
+     * @throws AVMWrongTypeException If <code>path</code> contains any non-directory
+     * elements.
+     */
+    public SortedMap<String, AVMNodeDescriptor>
+        getDirectoryListingDirect(int version, String path, boolean includeDeleted)
     {
         if (path == null)
         {
             throw new AVMBadArgumentException("Null path.");
         }
-        return fAVMRepository.getListingDirect(version, path);
+        return fAVMRepository.getListingDirect(version, path, includeDeleted);
     }
-
     /**
      * Get a directory listing from a node descriptor.
      * @param dir The directory node descriptor.
      * @return A Map of names to node descriptors.
      */
     public SortedMap<String, AVMNodeDescriptor> getDirectoryListing(AVMNodeDescriptor dir)
+    {
+        return getDirectoryListing(dir, false);
+    }
+
+    /**
+     * Get a directory listing from a node descriptor, with the option of
+     * seeing deleted nodes.
+     * @param dir The directory node descriptor.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return A Map of names to node descriptors.
+     * @throws AVMNotFoundException If the descriptor is stale.
+     * @throws AVMWrongTypeException If the descriptor does not point at a directory.
+     */
+    public SortedMap<String, AVMNodeDescriptor> getDirectoryListing(AVMNodeDescriptor dir,
+                                                                    boolean includeDeleted)
     {
         if (dir == null)
         {
             throw new AVMBadArgumentException("Null descriptor.");
         }
-        return fAVMRepository.getListing(dir);
+        return fAVMRepository.getListing(dir, includeDeleted);        
     }
 
     /**
@@ -398,12 +449,29 @@ public class AVMServiceImpl implements AVMService
      * @return A Descriptor.
      */
     public AVMNodeDescriptor lookup(int version, String path)
+    {
+        return lookup(version, path, false);
+    }
+
+    /**
+     * Lookup a node by version ids and path, with the option of 
+     * seeing Deleted Nodes.
+     * @param version The version id to look under.
+     * @param path The simple absolute path to the parent directory.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return An AVMNodeDescriptor.
+     * @throws AVMNotFoundException If <code>path</code> does not exist or
+     * if <code>version</code> does not exist.
+     * @throws AVMWrongTypeException If <code>path</code> contains a non-terminal 
+     * element that is not a directory.
+     */
+    public AVMNodeDescriptor lookup(int version, String path, boolean includeDeleted)
     {
         if (path == null)
         {
             throw new AVMBadArgumentException("Path is null.");
         }
-        Lookup lookup = fAVMRepository.lookup(version, path);
+        Lookup lookup = fAVMRepository.lookup(version, path, includeDeleted);
         return lookup.getCurrentNode().getDescriptor(lookup);
     }
 
@@ -414,12 +482,28 @@ public class AVMServiceImpl implements AVMService
      * @return The node descriptor of the child.
      */
     public AVMNodeDescriptor lookup(AVMNodeDescriptor dir, String name)
+    {
+        return lookup(dir, name, false);
+    }
+    
+    /**
+     * Lookup a node from a directory node, with the option of seeing 
+     * Deleted Nodes.
+     * @param dir The descriptor for the directory node.
+     * @param name The name to lookup.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return The descriptor for the child.
+     * @throws AVMNotFoundException If <code>name</code> does not exist or
+     * if <code>dir</code> is dangling.
+     * @throws AVMWrongTypeException If <code>dir</code> does not refer to a directory.
+     */
+    public AVMNodeDescriptor lookup(AVMNodeDescriptor dir, String name, boolean includeDeleted)
     {
         if (dir == null || name == null)
         {
             throw new AVMBadArgumentException("Illegal null argument.");
         }
-        return fAVMRepository.lookup(dir, name);
+        return fAVMRepository.lookup(dir, name, includeDeleted);        
     }
     
     /**

source/java/org/alfresco/repo/avm/AVMServiceTest.java

@@ -2398,4 +2398,57 @@ public class AVMServiceTest extends AVMServiceTestBase
             fail();
         }
     }
+    
+    /**
+     * Test lookup and listing of deleted files.
+     */
+    public void testDeleted()
+    {
+        try
+        {
+            setupBasicTree();
+            fService.createLayeredDirectory("main:/a", "main:/", "layer");
+            // Delete something in regular directory.
+            fService.removeNode("main:/a/b/c", "foo");
+            AVMNodeDescriptor desc = fService.lookup(-1, "main:/a/b/c/foo", true);
+            assertTrue(desc.isDeleted());
+            Map<String, AVMNodeDescriptor> listing = fService.getDirectoryListing(-1, "main:/a/b/c", true);
+            assertEquals(2, listing.size());
+            assertTrue(listing.get("foo").isDeleted());
+            AVMNodeDescriptor dir = fService.lookup(-1, "main:/a/b/c", true);
+            desc = fService.lookup(dir, "foo", true);
+            assertTrue(desc.isDeleted());
+            listing = fService.getDirectoryListing(dir, true);
+            assertEquals(2, listing.size());
+            assertTrue(listing.get("foo").isDeleted());
+            desc = fService.lookup(-1, "main:/layer/b/c/foo", true);
+            assertTrue(desc.isDeleted());
+            listing = fService.getDirectoryListing(-1, "main:/layer/b/c", true);
+            assertEquals(2, listing.size());
+            assertTrue(listing.get("foo").isDeleted());
+            dir = fService.lookup(-1, "main:/layer/b/c", true);
+            listing = fService.getDirectoryListing(dir, true);
+            assertEquals(2, listing.size());
+            assertTrue(listing.get("foo").isDeleted());
+            // Delete something in a layer.
+            fService.removeNode("main:/layer/b/c", "bar");
+            desc = fService.lookup(-1, "main:/layer/b/c/bar", true);
+            assertTrue(desc.isDeleted());
+            listing = fService.getDirectoryListing(-1, "main:/layer/b/c", true);
+            assertEquals(2, listing.size());
+            assertTrue(listing.get("foo").isDeleted());
+            assertTrue(listing.get("bar").isDeleted());
+            listing = fService.getDirectoryListingDirect(-1, "main:/layer/b/c", true);
+            assertEquals(1, listing.size());
+            assertTrue(listing.get("bar").isDeleted());
+            dir = fService.lookup(-1, "main:/layer/b/c", true);
+            desc = fService.lookup(dir, "bar", true);
+            assertTrue(desc.isDeleted());
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace(System.err);
+            fail();
+        }
+    }
 }

source/java/org/alfresco/repo/avm/AVMServiceTestBase.java

@@ -133,14 +133,14 @@ public class AVMServiceTestBase extends TestCase
         }
         builder.append(path.substring(path.lastIndexOf('/') + 1));
         builder.append(' ');
-        AVMNodeDescriptor desc = fService.lookup(version, path);
+        AVMNodeDescriptor desc = fService.lookup(version, path, true);
         builder.append(desc.toString());
         builder.append('\n');
         if (desc.getType() == AVMNodeType.PLAIN_DIRECTORY ||
             (desc.getType() == AVMNodeType.LAYERED_DIRECTORY && followLinks))
         {
             String basename = path.endsWith("/") ? path : path + "/";
-            Map<String, AVMNodeDescriptor> listing = fService.getDirectoryListing(version, path);
+            Map<String, AVMNodeDescriptor> listing = fService.getDirectoryListing(version, path, true);
             for (String name : listing.keySet())
             {
                 builder.append(recursiveList(basename + name, version, indent + 2, followLinks));

source/java/org/alfresco/repo/avm/AVMStore.java

@@ -111,17 +111,21 @@ public interface AVMStore
      * Get a listing of the designated directory.
      * @param version The version to look under.
      * @param path The path to the directory.
+     * @param includeDeleted Whether to see Deleted nodes.
      * @return A listing.
      */
-    public SortedMap<String, AVMNodeDescriptor> getListing(int version, String path);
+    public SortedMap<String, AVMNodeDescriptor> getListing(int version, String path, 
+                                                           boolean includeDeleted);
     
     /**
      * Get the list of nodes directly contained in a directory.
      * @param version The version to look under.
      * @param path The path to the directory.
+     * @param includeDeleted Whether to see Deleted nodes.
      * @return A Map of names to descriptors.
      */
-    public SortedMap<String, AVMNodeDescriptor> getListingDirect(int version, String path);
+    public SortedMap<String, AVMNodeDescriptor> getListingDirect(int version, String path,
+                                                                 boolean includeDeleted);
 
     /**
      * Get the names of the deleted nodes in a directory.
@@ -182,9 +186,10 @@ public interface AVMStore
      * @param version The version to look under.
      * @param path The path to the node.
      * @param write Whether this is in a write context.
+     * @param includeDeleted Whether to see Deleted nodes.
      * @return A Lookup object.
      */
-    public Lookup lookup(int version, String path, boolean write);
+    public Lookup lookup(int version, String path, boolean write, boolean includeDeleted);
 
     /**
      * Lookup a directory.

source/java/org/alfresco/repo/avm/AVMStoreImpl.java

@@ -170,7 +170,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
     {
         Lookup lPath = lookupDirectory(-1, path, true);
         DirectoryNode dir = (DirectoryNode)lPath.getCurrentNode();
-        if (dir.lookupChild(lPath, name, -1, true) != null)
+        if (dir.lookupChild(lPath, name, -1, true, false) != null)
         {
             throw new AVMExistsException("Child exists: " + name);
         }
@@ -203,7 +203,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
     {
         Lookup lPath = lookupDirectory(-1, dstPath, true);
         DirectoryNode dir = (DirectoryNode)lPath.getCurrentNode();
-        if (dir.lookupChild(lPath, name, -1, true) != null)
+        if (dir.lookupChild(lPath, name, -1, true, false) != null)
         {
             throw new AVMExistsException("Child exists: " +  name);
         }
@@ -237,7 +237,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
     {
         Lookup lPath = lookupDirectory(-1, path, true);
         DirectoryNode dir = (DirectoryNode)lPath.getCurrentNode();
-        if (dir.lookupChild(lPath, name, -1, true) != null)
+        if (dir.lookupChild(lPath, name, -1, true, false) != null)
         {
             throw new AVMExistsException("Child exists: " + name);
         }
@@ -263,7 +263,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
     {
         Lookup lPath = lookupDirectory(-1, path, true);
         DirectoryNode dir = (DirectoryNode)lPath.getCurrentNode();
-        if (dir.lookupChild(lPath, name, -1, true) != null)
+        if (dir.lookupChild(lPath, name, -1, true, false) != null)
         {
             throw new AVMExistsException("Child exists: " + name);
         }
@@ -289,7 +289,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
     {
         Lookup lPath = lookupDirectory(-1, dstPath, true);
         DirectoryNode dir = (DirectoryNode)lPath.getCurrentNode();
-        if (dir.lookupChild(lPath, name, -1, true) != null)
+        if (dir.lookupChild(lPath, name, -1, true, false) != null)
         {
             throw new AVMExistsException("Child exists: " + name);
         }
@@ -350,11 +350,12 @@ public class AVMStoreImpl implements AVMStore, Serializable
      * @param path The path to the directory.
      * @return A List of FolderEntries.
      */
-    public SortedMap<String, AVMNodeDescriptor> getListing(int version, String path)
+    public SortedMap<String, AVMNodeDescriptor> getListing(int version, String path, 
+                                                           boolean includeDeleted)
     {
         Lookup lPath = lookupDirectory(version, path, false);
         DirectoryNode dir = (DirectoryNode)lPath.getCurrentNode();
-        Map<String, AVMNode> listing = dir.getListing(lPath);
+        Map<String, AVMNode> listing = dir.getListing(lPath, includeDeleted);
         return translateListing(listing, lPath);
     }
 
@@ -364,7 +365,8 @@ public class AVMStoreImpl implements AVMStore, Serializable
      * @param path The path to the directory.
      * @return A Map of names to descriptors.
      */
-    public SortedMap<String, AVMNodeDescriptor> getListingDirect(int version, String path)
+    public SortedMap<String, AVMNodeDescriptor> getListingDirect(int version, String path,
+                                                                 boolean includeDeleted)
     {
         Lookup lPath = lookupDirectory(version, path, false);
         DirectoryNode dir = (DirectoryNode)lPath.getCurrentNode();
@@ -372,7 +374,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
         {
             return new TreeMap<String, AVMNodeDescriptor>();
         }
-        Map<String, AVMNode> listing = dir.getListingDirect(lPath);
+        Map<String, AVMNode> listing = dir.getListingDirect(lPath, includeDeleted);
         return translateListing(listing, lPath);
     }
 
@@ -442,7 +444,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
     {
         Lookup lPath = lookupDirectory(-1, path, true);
         DirectoryNode dir = (DirectoryNode)lPath.getCurrentNode();
-        if (dir.lookupChild(lPath, name, -1, true) == null)
+        if (dir.lookupChild(lPath, name, -1, true, false) == null)
         {
             throw new AVMNotFoundException("Does not exist: " + name);
         }
@@ -457,7 +459,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void uncover(String dirPath, String name)
     {
-        Lookup lPath = lookup(-1, dirPath, true);
+        Lookup lPath = lookup(-1, dirPath, true, false);
         AVMNode node = lPath.getCurrentNode();
         if (node.getType() != AVMNodeType.LAYERED_DIRECTORY)
         {
@@ -532,7 +534,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      * @param write Whether this is in the context of a write.
      * @return A Lookup object.
      */
-    public Lookup lookup(int version, String path, boolean write)
+    public Lookup lookup(int version, String path, boolean write, boolean includeDeleted)
     {
         // Make up a Lookup to hold the results.
         Lookup result = new Lookup(this, fName);
@@ -571,7 +573,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
         // before the end.
         for (int i = 0; i < pathElements.length - 1; i++)
         {
-            AVMNode child = dir.lookupChild(result, pathElements[i], version, write);
+            AVMNode child = dir.lookupChild(result, pathElements[i], version, write, includeDeleted);
             if (child == null)
             {
                 throw new AVMNotFoundException("Not found: " + pathElements[i]);
@@ -586,7 +588,8 @@ public class AVMStoreImpl implements AVMStore, Serializable
             dir = (DirectoryNode)result.getCurrentNode();
         }
         // Now look up the last element.
-        AVMNode child = dir.lookupChild(result, pathElements[pathElements.length - 1], version, write);
+        AVMNode child = dir.lookupChild(result, pathElements[pathElements.length - 1], version, write,
+                                        includeDeleted);
         if (child == null)
         {
             throw new AVMNotFoundException("Not found: " + pathElements[pathElements.length - 1]);
@@ -625,7 +628,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
     {
         // Just do a regular lookup and assert that the last element
         // is a directory.
-        Lookup lPath = lookup(version, path, write);
+        Lookup lPath = lookup(version, path, write, false);
         if (lPath.getCurrentNode().getType() != AVMNodeType.PLAIN_DIRECTORY &&
             lPath.getCurrentNode().getType() != AVMNodeType.LAYERED_DIRECTORY)
         {
@@ -642,7 +645,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public String getIndirectionPath(int version, String path)
     {
-        Lookup lPath = lookup(version, path, false);
+        Lookup lPath = lookup(version, path, false, false);
         AVMNode node = lPath.getCurrentNode();
         if (node.getType() == AVMNodeType.LAYERED_DIRECTORY)
         {
@@ -840,7 +843,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void setOpacity(String path, boolean opacity)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         if (!(node instanceof LayeredDirectoryNode))
         {
@@ -850,6 +853,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
         node.updateModTime();
     }
     
+    // TODO Does it make sense to set properties on DeletedNodes?
     /**
      * Set a property on a node.
      * @param path The path to the node.
@@ -858,7 +862,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void setNodeProperty(String path, QName name, PropertyValue value)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         node.setProperty(name, value);
     }
@@ -870,7 +874,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void setNodeProperties(String path, Map<QName, PropertyValue> properties)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         node.setProperties(properties);
     }
@@ -884,7 +888,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public PropertyValue getNodeProperty(int version, String path, QName name)
     {
-        Lookup lPath = lookup(version, path, false);
+        Lookup lPath = lookup(version, path, false, false);
         AVMNode node = lPath.getCurrentNode();
         return node.getProperty(name);
     }
@@ -897,7 +901,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public Map<QName, PropertyValue> getNodeProperties(int version, String path)
     {
-        Lookup lPath = lookup(version, path, false);
+        Lookup lPath = lookup(version, path, false, false);
         AVMNode node = lPath.getCurrentNode();
         return node.getProperties();
     }
@@ -909,7 +913,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void deleteNodeProperty(String path, QName name)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         node.deleteProperty(name);
     }
@@ -920,7 +924,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void deleteNodeProperties(String path)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         node.deleteProperties();
     }
@@ -994,7 +998,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public ContentData getContentDataForRead(int version, String path)
     {
-        Lookup lPath = lookup(version, path, false);
+        Lookup lPath = lookup(version, path, false, false);
         AVMNode node = lPath.getCurrentNode();
         if (!(node instanceof FileNode))
         {
@@ -1010,7 +1014,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public ContentData getContentDataForWrite(String path)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         if (!(node instanceof FileNode))
         {
@@ -1026,7 +1030,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void setContentData(String path, ContentData data)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         if (!(node instanceof FileNode))
         {
@@ -1042,7 +1046,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void addAspect(String path, QName aspectName)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         if (AVMContext.fgInstance.fAVMAspectNameDAO.exists(node, aspectName))
         {
@@ -1063,7 +1067,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public List<QName> getAspects(int version, String path)
     {
-        Lookup lPath = lookup(version, path, false);
+        Lookup lPath = lookup(version, path, false, false);
         AVMNode node = lPath.getCurrentNode();
         List<AVMAspectName> names = 
             AVMContext.fgInstance.fAVMAspectNameDAO.get(node);
@@ -1082,7 +1086,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void removeAspect(String path, QName aspectName)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         AVMContext.fgInstance.fAVMAspectNameDAO.delete(node, aspectName);
         AspectDefinition def = AVMContext.fgInstance.getDictionaryService().getAspect(aspectName);
@@ -1103,7 +1107,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public boolean hasAspect(int version, String path, QName aspectName)
     {
-        Lookup lPath = lookup(version, path, false);
+        Lookup lPath = lookup(version, path, false, false);
         AVMNode node = lPath.getCurrentNode();
         return AVMContext.fgInstance.fAVMAspectNameDAO.exists(node, aspectName);
     }
@@ -1115,7 +1119,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public void setACL(String path, DbAccessControlList acl)
     {
-        Lookup lPath = lookup(-1, path, true);
+        Lookup lPath = lookup(-1, path, true, false);
         AVMNode node = lPath.getCurrentNode();
         node.setAcl(acl);
     }
@@ -1128,7 +1132,7 @@ public class AVMStoreImpl implements AVMStore, Serializable
      */
     public DbAccessControlList getACL(int version, String path)
     {
-        Lookup lPath = lookup(version, path, false);
+        Lookup lPath = lookup(version, path, false, false);
         return lPath.getCurrentNode().getAcl();
     }
 }

source/java/org/alfresco/repo/avm/DirectoryNode.java

@@ -49,7 +49,8 @@ public interface DirectoryNode extends AVMNode
      * @param version The version to look under.
      * @param write Whether this is occuring in a write context.
      */
-    public AVMNode lookupChild(Lookup lPath, String name, int version, boolean write);
+    public AVMNode lookupChild(Lookup lPath, String name, int version, boolean write, 
+                               boolean includeDeleted);
     
     /**
      * Lookup a child node using an AVMNodeDescriptor as context.
@@ -57,7 +58,7 @@ public interface DirectoryNode extends AVMNode
      * @param name The name of the child to lookup.
      * @return The descriptor for the looked up child.
      */
-    public AVMNodeDescriptor lookupChild(AVMNodeDescriptor mine, String name);
+    public AVMNodeDescriptor lookupChild(AVMNodeDescriptor mine, String name, boolean includeDeleted);
 
     /**
      * Remove a child directly.  No copy is possible.
@@ -71,21 +72,22 @@ public interface DirectoryNode extends AVMNode
      * @param lPath The lookup context.
      * @return A SortedMap of names to DirectoryEntries.
      */
-    public Map<String, AVMNode> getListing(Lookup lPath);
+    public Map<String, AVMNode> getListing(Lookup lPath, boolean includeDeleted);
     
     /**
      * Get a listing of the nodes directly contained by a directory.
      * @param lPath The Lookup to this directory.
      * @return A Map of names to nodes.
      */
-    public Map<String, AVMNode> getListingDirect(Lookup lPath);
+    public Map<String, AVMNode> getListingDirect(Lookup lPath, boolean includeDeleted);
 
     /**
      * Get a listing from a directory specified by an AVMNodeDescriptor.
      * @param dir The directory to list.
      * @return A Map of names to node descriptors
      */
-    public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir);
+    public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir, 
+                                                           boolean includeDeleted);
 
     /**
      * Get the names of nodes deleted in this directory.

source/java/org/alfresco/repo/avm/LayeredDirectoryNodeImpl.java

@@ -304,7 +304,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
      * @return A Map from names to nodes. This is a sorted Map.
      */
     @SuppressWarnings("unchecked")
-    public Map<String, AVMNode> getListing(Lookup lPath)
+    public Map<String, AVMNode> getListing(Lookup lPath, boolean includeDeleted)
     {
         // Get the base listing from the thing we indirect to.
         Map<String, AVMNode> listing = null;
@@ -318,7 +318,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
             {
                 Lookup lookup = AVMRepository.GetInstance().lookupDirectory(-1, getUnderlying(lPath));
                 DirectoryNode dir = (DirectoryNode)lookup.getCurrentNode();
-                listing = dir.getListing(lookup);
+                listing = dir.getListing(lookup, includeDeleted);
             }
             catch (AVMException re)
             {
@@ -332,7 +332,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
         }
         for (ChildEntry entry : AVMContext.fgInstance.fChildEntryDAO.getByParent(this))
         {
-            if (entry.getChild().getType() == AVMNodeType.DELETED_NODE)
+            if (!includeDeleted && entry.getChild().getType() == AVMNodeType.DELETED_NODE)
             {
                 listing.remove(entry.getName());
             }
@@ -349,12 +349,12 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
      * @param lPath The Lookup to this directory.
      * @return A Map of names to nodes.
      */
-    public Map<String, AVMNode> getListingDirect(Lookup lPath)
+    public Map<String, AVMNode> getListingDirect(Lookup lPath, boolean includeDeleted)
     {
         Map<String, AVMNode> listing = new HashMap<String, AVMNode>();
         for (ChildEntry entry : AVMContext.fgInstance.fChildEntryDAO.getByParent(this))
         {
-            if (entry.getChild().getType() != AVMNodeType.DELETED_NODE)
+            if (includeDeleted || entry.getChild().getType() != AVMNodeType.DELETED_NODE)
             {
                 listing.put(entry.getName(), entry.getChild());
             }
@@ -365,9 +365,11 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
     /**
      * Get a listing from a directory node descriptor.
      * @param dir The directory node descriptor.
+     * @param includeDeleted Should DeletedNodes be shown.
      * @return A Map of names to node descriptors.
      */
-    public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir)
+    public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir, 
+                                                           boolean includeDeleted)
     {
         if (dir.getPath() == null || dir.getIndirection() == null)
         {
@@ -381,7 +383,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
             {
                 Lookup lookup = AVMRepository.GetInstance().lookupDirectory(-1, dir.getIndirection());
                 DirectoryNode dirNode = (DirectoryNode)lookup.getCurrentNode();
-                Map<String, AVMNode> listing = dirNode.getListing(lookup);
+                Map<String, AVMNode> listing = dirNode.getListing(lookup, includeDeleted);
                 for (String name : listing.keySet())
                 {
                     baseListing.put(name,
@@ -400,7 +402,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
         List<ChildEntry> children = AVMContext.fgInstance.fChildEntryDAO.getByParent(this);
         for (ChildEntry child : children)
         {
-            if (child.getChild().getType() == AVMNodeType.DELETED_NODE)
+            if (!includeDeleted && child.getChild().getType() == AVMNodeType.DELETED_NODE)
             {
                 baseListing.remove(child.getName());
             }
@@ -442,12 +444,13 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
      * @return The child or null if not found.
      */
     @SuppressWarnings("unchecked")
-    public AVMNode lookupChild(Lookup lPath, String name, int version, boolean write)
+    public AVMNode lookupChild(Lookup lPath, String name, int version, boolean write,
+                               boolean includeDeleted)
     {
         ChildEntry entry = AVMContext.fgInstance.fChildEntryDAO.getByNameParent(name, this);
         if (entry != null)
         {
-            if (entry.getChild().getType() == AVMNodeType.DELETED_NODE)
+            if (!includeDeleted && entry.getChild().getType() == AVMNodeType.DELETED_NODE)
             {
                 return null;
             }
@@ -463,7 +466,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
         {
             Lookup lookup = AVMRepository.GetInstance().lookupDirectory(-1, getUnderlying(lPath));
             DirectoryNode dir = (DirectoryNode)lookup.getCurrentNode();
-            AVMNode retVal = dir.lookupChild(lookup, name, -1, false);
+            AVMNode retVal = dir.lookupChild(lookup, name, -1, false, includeDeleted);
             lPath.setFinalStore(lookup.getFinalStore());
             return retVal;
         }
@@ -483,7 +486,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
      * @param name The name to lookup,
      * @return The node descriptor.
      */
-    public AVMNodeDescriptor lookupChild(AVMNodeDescriptor mine, String name)
+    public AVMNodeDescriptor lookupChild(AVMNodeDescriptor mine, String name, boolean includeDeleted)
     {
         if (mine.getPath() == null || mine.getIndirection() == null)
         {
@@ -492,7 +495,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
         ChildEntry entry = AVMContext.fgInstance.fChildEntryDAO.getByNameParent(name, this);
         if (entry != null)
         {
-            if (entry.getChild().getType() == AVMNodeType.DELETED_NODE)
+            if (!includeDeleted && entry.getChild().getType() == AVMNodeType.DELETED_NODE)
             {
                 return null;
             }
@@ -509,7 +512,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
         {
             Lookup lookup = AVMRepository.GetInstance().lookupDirectory(-1, mine.getIndirection());
             DirectoryNode dir = (DirectoryNode)lookup.getCurrentNode();
-            AVMNode child = dir.lookupChild(lookup, name, -1, false);
+            AVMNode child = dir.lookupChild(lookup, name, -1, false, includeDeleted);
             if (child == null)
             {
                 return null;
@@ -547,7 +550,7 @@ class LayeredDirectoryNodeImpl extends DirectoryNodeImpl implements LayeredDirec
         }
         else
         {
-            child = lookupChild(lPath, name, -1, false);
+            child = lookupChild(lPath, name, -1, false, false);
         }
         AVMNode ghost = new DeletedNodeImpl(lPath.getAVMStore().getAVMRepository().issueID(),
                 lPath.getAVMStore());

source/java/org/alfresco/repo/avm/LayeredFileNodeImpl.java

@@ -78,7 +78,7 @@ class LayeredFileNodeImpl extends FileNodeImpl implements LayeredFileNode
     public AVMNode copy(Lookup lPath)
     {
         // LayeredFileNodes are always copied.
-        Lookup lookup = AVMRepository.GetInstance().lookup(-1, fIndirection);
+        Lookup lookup = AVMRepository.GetInstance().lookup(-1, fIndirection, false);
         AVMNode indirect = lookup.getCurrentNode();
         if (indirect.getType() != AVMNodeType.LAYERED_FILE &&
             indirect.getType() != AVMNodeType.PLAIN_FILE)
@@ -249,7 +249,7 @@ class LayeredFileNodeImpl extends FileNodeImpl implements LayeredFileNode
      */
     public ContentData getContentData(Lookup lPath)
     {
-        Lookup lookup = lPath.getAVMStore().getAVMRepository().lookup(-1, getIndirection());
+        Lookup lookup = lPath.getAVMStore().getAVMRepository().lookup(-1, getIndirection(), false);
         AVMNode node = lookup.getCurrentNode();
         if (!(node instanceof FileNode))
         {

source/java/org/alfresco/repo/avm/PlainDirectoryNodeImpl.java

@@ -93,13 +93,13 @@ class PlainDirectoryNodeImpl extends DirectoryNodeImpl implements PlainDirectory
      * @return The listing.
      */
     @SuppressWarnings("unchecked")
-    public Map<String, AVMNode> getListing(Lookup lPath)
+    public Map<String, AVMNode> getListing(Lookup lPath, boolean includeDeleted)
     {
         Map<String, AVMNode> result = new HashMap<String, AVMNode>();
         List<ChildEntry> children = AVMContext.fgInstance.fChildEntryDAO.getByParent(this);
         for (ChildEntry child : children)
         {
-            if (child.getChild().getType() == AVMNodeType.DELETED_NODE)
+            if (!includeDeleted && child.getChild().getType() == AVMNodeType.DELETED_NODE)
             {
                 continue;
             }
@@ -113,9 +113,9 @@ class PlainDirectoryNodeImpl extends DirectoryNodeImpl implements PlainDirectory
      * @param lPath The Lookup to this directory.
      * @return A Map of names to nodes.
      */
-    public Map<String, AVMNode> getListingDirect(Lookup lPath)
+    public Map<String, AVMNode> getListingDirect(Lookup lPath, boolean includeDeleted)
     {
-        return getListing(lPath);
+        return getListing(lPath, includeDeleted);
     }
 
     /**
@@ -123,7 +123,7 @@ class PlainDirectoryNodeImpl extends DirectoryNodeImpl implements PlainDirectory
      * @param dir The directory node descriptor.
      * @return A Map of names to node descriptors.
      */
-    public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir)
+    public SortedMap<String, AVMNodeDescriptor> getListing(AVMNodeDescriptor dir, boolean includeDeleted)
     {
         if (dir.getPath() == null)
         {
@@ -133,7 +133,7 @@ class PlainDirectoryNodeImpl extends DirectoryNodeImpl implements PlainDirectory
         List<ChildEntry> children = AVMContext.fgInstance.fChildEntryDAO.getByParent(this);
         for (ChildEntry child : children)
         {
-            if (child.getChild().getType() == AVMNodeType.DELETED_NODE)
+            if (!includeDeleted && child.getChild().getType() == AVMNodeType.DELETED_NODE)
             {
                 continue;
             }
@@ -161,10 +161,12 @@ class PlainDirectoryNodeImpl extends DirectoryNodeImpl implements PlainDirectory
      * @return The child or null.
      */
     @SuppressWarnings("unchecked")
-    public AVMNode lookupChild(Lookup lPath, String name, int version, boolean write)
+    public AVMNode lookupChild(Lookup lPath, String name, int version, boolean write,
+                               boolean includeDeleted)
     {
         ChildEntry entry = AVMContext.fgInstance.fChildEntryDAO.getByNameParent(name, this);
-        if (entry == null || entry.getChild().getType() == AVMNodeType.DELETED_NODE)
+        if (entry == null || 
+            (!includeDeleted && entry.getChild().getType() == AVMNodeType.DELETED_NODE))
         {
             return null;
         }
@@ -179,14 +181,15 @@ class PlainDirectoryNodeImpl extends DirectoryNodeImpl implements PlainDirectory
      * @param name The name of the child to lookup.
      * @return A node descriptor for the child.
      */
-    public AVMNodeDescriptor lookupChild(AVMNodeDescriptor mine, String name)
+    public AVMNodeDescriptor lookupChild(AVMNodeDescriptor mine, String name, boolean includeDeleted)
     {
         if (mine.getPath() == null)
         {
             throw new AVMBadArgumentException("Path is null.");
         }
         ChildEntry entry = AVMContext.fgInstance.fChildEntryDAO.getByNameParent(name, this);
-        if (entry == null || entry.getChild().getType() == AVMNodeType.DELETED_NODE)
+        if (entry == null || 
+            (!includeDeleted && entry.getChild().getType() == AVMNodeType.DELETED_NODE))
         {
             return null;
         }

source/java/org/alfresco/service/cmr/avm/AVMNodeDescriptor.java

@@ -284,6 +284,14 @@ public class AVMNodeDescriptor implements Serializable
         return (fType == AVMNodeType.LAYERED_DIRECTORY );
     }
 
+    /**
+     * Is this a deleted node.
+     * @return Whether this node is a deleted node.
+     */
+    public boolean isDeleted()
+    {
+        return fType == AVMNodeType.DELETED_NODE;
+    }
     
     /**
      * Get the user who last modified this node.
@@ -399,6 +407,8 @@ public class AVMNodeDescriptor implements Serializable
                 return "[LF:" + fID + ":" + fIndirection + "]";
             case AVMNodeType.LAYERED_DIRECTORY :
                 return "[LD:" + fID + ":" + fIndirection + "]";
+            case AVMNodeType.DELETED_NODE :
+                return "[DN:" + fID + "]";
             default :
                 throw new AVMException("Internal Error.");
         }

source/java/org/alfresco/service/cmr/avm/AVMService.java

@@ -24,7 +24,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.SortedMap;
 
-import org.alfresco.repo.domain.DbAccessControlList;
 import org.alfresco.repo.domain.PropertyValue;
 import org.alfresco.service.cmr.repository.ContentData;
 import org.alfresco.service.namespace.QName;
@@ -71,6 +70,21 @@ public interface AVMService
      */
     public SortedMap<String, AVMNodeDescriptor> getDirectoryListing(int version, String path);
 
+    /**
+     * Get a listing of a Folder by name, with the option of seeing
+     * Deleted Nodes.
+     * @param version The version id to look in.
+     * @param path The simple absolute path to the file node.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return A Map of names to descriptors.
+     * @throws AVMNotFoundException If <code>path</code> is not found.
+     * @throws AVMWrongTypeException If <code>path</code> contains a non-terminal
+     * component that is not a directory, or if <code>path</code> is not pointing
+     * at a directory.
+     */
+    public SortedMap<String, AVMNodeDescriptor> getDirectoryListing(int version, String path,
+                                                                    boolean includeDeleted);
+    
     /**
      * Get the listing of nodes contained directly in a directory. This is the
      * same as getDirectoryListing for PlainDirectories, but returns only those that
@@ -85,6 +99,22 @@ public interface AVMService
     public SortedMap<String, AVMNodeDescriptor> 
         getDirectoryListingDirect(int version, String path);
     
+    /**
+     * Get the listing of nodes contained directly in a directory. This is the
+     * same as getDirectoryListing for PlainDirectories, but returns only those that
+     * are directly contained in a layered directory. This has the option of
+     * seeing Deleted Nodes.
+     * @param version The version to look up.
+     * @param path The full path to get listing for.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return A Map of names to descriptors.
+     * @throws AVMNotFoundException If <code>path</code> does not exist.
+     * @throws AVMWrongTypeException If <code>path</code> contains any non-directory
+     * elements.
+     */
+    public SortedMap<String, AVMNodeDescriptor>
+        getDirectoryListingDirect(int version, String path, boolean includeDeleted);
+
     /**
      * Get a directory listing from a node descriptor.
      * @param dir The directory node descriptor.
@@ -95,6 +125,18 @@ public interface AVMService
      */
     public SortedMap<String, AVMNodeDescriptor> getDirectoryListing(AVMNodeDescriptor dir);
     
+    /**
+     * Get a directory listing from a node descriptor, with the option of
+     * seeing deleted nodes.
+     * @param dir The directory node descriptor.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return A Map of names to node descriptors.
+     * @throws AVMNotFoundException If the descriptor is stale.
+     * @throws AVMWrongTypeException If the descriptor does not point at a directory.
+     */
+    public SortedMap<String, AVMNodeDescriptor> getDirectoryListing(AVMNodeDescriptor dir,
+                                                                    boolean includeDeleted); 
+    
     /**
      * Get the names of nodes that have been deleted in a directory.
      * @param version The version to look under.
@@ -318,6 +360,20 @@ public interface AVMService
      */
     public AVMNodeDescriptor lookup(int version, String path);
     
+    /**
+     * Lookup a node by version ids and path, with the option of 
+     * seeing Deleted Nodes.
+     * @param version The version id to look under.
+     * @param path The simple absolute path to the parent directory.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return An AVMNodeDescriptor.
+     * @throws AVMNotFoundException If <code>path</code> does not exist or
+     * if <code>version</code> does not exist.
+     * @throws AVMWrongTypeException If <code>path</code> contains a non-terminal 
+     * element that is not a directory.
+     */
+    public AVMNodeDescriptor lookup(int version, String path, boolean includeDeleted);
+    
     /**
      * Lookup a node from a directory node.
      * @param dir The descriptor for the directory node.
@@ -329,6 +385,19 @@ public interface AVMService
      */
     public AVMNodeDescriptor lookup(AVMNodeDescriptor dir, String name);
     
+    /**
+     * Lookup a node from a directory node, with the option of seeing 
+     * Deleted Nodes.
+     * @param dir The descriptor for the directory node.
+     * @param name The name to lookup.
+     * @param includeDeleted Whether to see Deleted Nodes.
+     * @return The descriptor for the child.
+     * @throws AVMNotFoundException If <code>name</code> does not exist or
+     * if <code>dir</code> is dangling.
+     * @throws AVMWrongTypeException If <code>dir</code> does not refer to a directory.
+     */
+    public AVMNodeDescriptor lookup(AVMNodeDescriptor dir, String name, boolean includeDeleted);
+    
     /**
      * Get the indirection path for a layered file or directory.
      * @param version The version number to get.