Merged V2.2 to HEAD

8372: Merged V2.1 to V2.2
      8314: Merged V2.0 to V2.1
         7750: Fix for ACT-475: ContentStoreCleaner causes OutOfMemoryError
      8332: Made content URL column larger to accommodate the extra locale info present in 2.1
      8334: Build fix: V2.1 tighter on authentication for getTempWriter
   8376: Merged V2.1 to V2.2
      8325: Fix for AWC-1089
      8361: Workaround for WCM-882: All metadata extracters can now handle zero length files


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@8497 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/avm/hibernate/AVMNodeDAOHibernate.java

@@ -38,6 +38,8 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.hibernate.CacheMode;
 import org.hibernate.Query;
+import org.hibernate.ScrollMode;
+import org.hibernate.ScrollableResults;
 import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
 
 /**
@@ -157,10 +159,15 @@ class AVMNodeDAOHibernate extends HibernateDaoSupport implements
      * @return A List of URL Strings.
      */
     @SuppressWarnings("unchecked")
-    public List<String> getContentUrls()
+    public void getContentUrls(ContentUrlHandler handler)
     {
         Query query = getSession().getNamedQuery("PlainFileNode.GetContentUrls");
-        return (List<String>)query.list();
+        ScrollableResults results = query.scroll(ScrollMode.FORWARD_ONLY);
+        while (results.next())
+        {
+            String contentUrl = results.getText(0);
+            handler.handle(contentUrl);
+        }
     }
 
     /**