Example #1
0
    public void execute(InternalWorkingMemory workingMemory) {
      DroolsQuery query = (DroolsQuery) factHandle.getObject();
      RightTupleList rightTuples = query.getResultInsertRightTupleList();
      query.setResultInsertRightTupleList(
          null); // null so further operations happen on a new stack element

      for (RightTuple rightTuple = rightTuples.getFirst(); rightTuple != null; ) {
        RightTuple tmp = (RightTuple) rightTuple.getNext();
        rightTuples.remove(rightTuple);
        for (LeftTuple childLeftTuple = rightTuple.firstChild;
            childLeftTuple != null;
            childLeftTuple = (LeftTuple) childLeftTuple.getRightParentNext()) {
          node.getSinkPropagator()
              .doPropagateAssertLeftTuple(
                  context, workingMemory, childLeftTuple, childLeftTuple.getLeftTupleSink());
        }
        rightTuple = tmp;
      }

      // @FIXME, this should work, but it's closing needed fact handles
      // actually an evaluation 34 appears on the stack twice....
      //            if ( !node.isOpenQuery() ) {
      //                workingMemory.getFactHandleFactory().destroyFactHandle( this.factHandle );
      //            }
    }
Example #2
0
 public void execute(InternalWorkingMemory workingMemory) {
   InternalFactHandle factHandle = (InternalFactHandle) leftTuple.getObject();
   if (node.isOpenQuery()) {
     // iterate to the query terminal node, as the child leftTuples will get picked up there
     workingMemory
         .getEntryPointNode()
         .retractObject(
             factHandle,
             context,
             workingMemory
                 .getObjectTypeConfigurationRegistry()
                 .getObjectTypeConf(workingMemory.getEntryPoint(), factHandle.getObject()),
             workingMemory);
     // workingMemory.getFactHandleFactory().destroyFactHandle( factHandle );
   } else {
     // get child left tuples, as there is no open query
     if (leftTuple.getFirstChild() != null) {
       node.getSinkPropagator().propagateRetractLeftTuple(leftTuple, context, workingMemory);
     }
   }
 }