/**
* Single parameter constructor that specifies the unique id of the node.
*
* @param id
*/
protected LeftTupleSource(int id, BuildContext context) {
super(
id,
context != null ? context.getPartitionId() : RuleBasePartitionId.MAIN_PARTITION,
context != null && context.getKnowledgeBase().getConfiguration().isMultithreadEvaluation());
this.sink = EmptyLeftTupleSinkAdapter.getInstance();
}
/**
* Removes the <code>TupleSink</code>
*
* @param tupleSink The <code>TupleSink</code> to remove
*/
public void removeTupleSink(final LeftTupleSink tupleSink) {
if (this.sink instanceof EmptyLeftTupleSinkAdapter) {
throw new IllegalArgumentException("Cannot remove a sink, when the list of sinks is null");
}
if (this.sink instanceof SingleLeftTupleSinkAdapter) {
this.sink = EmptyLeftTupleSinkAdapter.getInstance();
} else {
final CompositeLeftTupleSinkAdapter sinkAdapter = (CompositeLeftTupleSinkAdapter) this.sink;
sinkAdapter.removeTupleSink(tupleSink);
if (sinkAdapter.size() == 1) {
this.sink =
new SingleLeftTupleSinkAdapter(this.getPartitionId(), sinkAdapter.getSinks()[0]);
}
}
}