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/ActionImpl.java

@@ -106,6 +106,16 @@ public class ActionImpl extends ParameterizedItemImpl implements Action
      */
     private List<ActionCondition> actionConditions = new ArrayList<ActionCondition>();
     
+    /**
+     * When there is more than one instance of the
+     *  action executing, both with the same ID, 
+     *  which one is this?
+     * This crops up most often with persisted
+     *  actions, with two copies running, one on
+     *  each of two different target nodes.
+     */
+    private int executionInstance = -1;
+    
     /**
      * When the action started executing,
      *  or null if it hasn't yet.
@@ -466,6 +476,27 @@ public class ActionImpl extends ParameterizedItemImpl implements Action
         getParameterValues().putAll(values);
     }
     
+    /**
+     * When there is more than one instance of the
+     *  action executing, both with the same ID, 
+     *  which one is this?
+     * This crops up most often with persisted
+     *  actions, with two copies running, one on
+     *  each of two different target nodes.
+     */
+    public int getExecutionInstance() 
+    {
+       return executionInstance;
+    }
+    
+    /**
+     * Called by the ActionService when the action
+     *  begins running. 
+     */
+    public void setExecutionInstance(int instance) {
+       executionInstance = instance;
+    }
+    
     public Date getExecutionStartDate() {
        return executionStartDate;
     }