rightTuple.setPropagationContext( context );
RightTupleSets stagedRightTuples = memory.getStagedRightTuples();
boolean stagedDeleteWasEmpty = false;
if ( streamMode ) {
stagedDeleteWasEmpty = memory.getSegmentMemory().getTupleQueue().isEmpty();
memory.getSegmentMemory().getTupleQueue().add(new RightTupleEntry(rightTuple, context, memory ));
//log.trace( "NotNode delete queue={} size={} lt={}", System.identityHashCode( memory.getSegmentMemory().getTupleQueue() ), memory.getSegmentMemory().getTupleQueue().size(), rightTuple );
} else {
stagedDeleteWasEmpty = stagedRightTuples.addDelete( rightTuple );
}