Merged V2.1 to HEAD

6944: More hibernate session cache taming.
   6945: Times for commits are close to linear in the number of items submitted.
   6946: Missing break statement. (Courtesy of Jan).
   6948: Fixed session cache eviction problem triggered by resetLayer().
   6956: Wrapped AVMService and AttributeService in TransactionResourceInterceptor.
   Reverted log4j.properties


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@7368 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/attributes/AttributeDAO.java

@@ -68,4 +68,15 @@ public interface AttributeDAO
      * @param attr
      */
     public void evict(Attribute attr);
+
+    /**
+     * Evict an Attribute non-recursively.
+     * @param attr
+     */
+    public void evictFlat(Attribute attr);
+
+    /**
+     * Force a flush.
+     */
+    public void flush();
 }