[Jboss-svn-commits] JBL Code SVN: r4075 - labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo

[<jbo...@li...>]

Author: mar...@jb...
Date: 2006-05-03 18:49:30 -0400 (Wed, 03 May 2006)
New Revision: 4075

Modified:
   labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/EvalConditionNode.java
Log:
JBRULES-237 Eval throws exception on modify
-Check that LinkedTuples is not just null, but that its also empty.

Modified: labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/EvalConditionNode.java
===================================================================
--- labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/EvalConditionNode.java	2006-05-03 22:14:34 UTC (rev 4074)
+++ labs/jbossrules/trunk/drools-core/src/main/java/org/drools/reteoo/EvalConditionNode.java	2006-05-03 22:49:30 UTC (rev 4075)
@@ -145,7 +145,7 @@
         LinkedList memory = (LinkedList) workingMemory.getNodeMemory( this );
 
         // checks if the tuple is attach to tuple
-        if ( tuple.getLinkedTuples() != null ) {
+        if (tuple.getLinkedTuples() != null && !tuple.getLinkedTuples().isEmpty()) {
             memory.remove( tuple );
 
             propagateRetractTuple( tuple,
@@ -158,7 +158,7 @@
                             PropagationContext context,
                             WorkingMemoryImpl workingMemory) {
         LinkedList memory = (LinkedList) workingMemory.getNodeMemory( this );
-        boolean exists = (tuple.getLinkedTuples() != null);
+        boolean exists = (tuple.getLinkedTuples() != null && !tuple.getLinkedTuples().isEmpty());
         
         if ( exists ) {
             // Remove the tuple so it can be readded to the top of the list