Fixed WCM-11. Semantics of getDirectoryListingDirect() are consistent now.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3456 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

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

@@ -99,6 +99,10 @@ public class AVMServiceTest extends AVMServiceTestBase
                 fService.getDirectoryListingDirect(-1, 
                                                    "main:/layer");
             assertEquals(0, listing.size());
+            listing = 
+                fService.getDirectoryListingDirect(-1,
+                                                   "main:/layer/b");
+            assertEquals(0, listing.size());
             fService.createFile("main:/layer/b/c", "sigmoid").close();
             fService.createSnapshot("main");
             listing = fService.getDirectoryListingDirect(-1, "main:/layer");

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

@@ -320,6 +320,10 @@ class AVMStoreImpl implements AVMStore, Serializable
     {
         Lookup lPath = lookupDirectory(version, path, false);
         DirectoryNode dir = (DirectoryNode)lPath.getCurrentNode();
+        if (lPath.isLayered() && dir.getType() != AVMNodeType.LAYERED_DIRECTORY)
+        {
+            return new TreeMap<String, AVMNodeDescriptor>();
+        }
         Map<String, AVMNode> listing = dir.getListingDirect(lPath);
         return translateListing(listing, lPath);
     }

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

@@ -134,6 +134,7 @@ class Lookup
                 {
                     comp.setIndirection(computeIndirection(name));
                 }
+                fLayeredYet = true;
             }
             fComponents.add(comp);
             fPosition++;