source.removeTupleConsumer(consumer); removeNodeUsage(source);
source.removeTupleConsumer(consumer); removeNodeUsage(source);
beta.getTupleSource().removeTupleConsumer(beta); IObjectSourceNode osource = beta.getObjectSource(); osource.removeObjectConsumer(beta);
beta.getTupleSource().removeTupleConsumer(beta); IObjectSourceNode osource = beta.getObjectSource(); osource.removeObjectConsumer(beta);