handle.clearLeftTuples();
((ObjectSink) sink).modifyObject( handle,
modifyPreviousTuples,
pContext,
wm );
modifyPreviousTuples.retractTuples( pContext,
wm );
pContext.evaluateActionQueue( wm );
} else {
List<InternalFactHandle> tlist = (List<InternalFactHandle>) element;
String id = getTupleId( tlist );