ActionTrackingService work

Initial cancel support, and some duplicate instance work (mostly updating tests to handle it coming along). Duplicate id assignment work still remains


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@21340 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/action/ActionCancelledException.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2005-2010 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.repo.action;
+
+import org.alfresco.error.AlfrescoRuntimeException;
+import org.alfresco.service.cmr.action.CancellableAction;
+
+/**
+ * The Exception thrown when a {@link CancellableAction} detects
+ *  that a cancel was requested, and needs the transaction it
+ *  is in to be wound back as part of the cancellation.
+ */
+public class ActionCancelledException extends AlfrescoRuntimeException 
+{
+   public ActionCancelledException(CancellableAction action)
+   {
+      super(action.toString());
+   }
+}