public void attach(BuildContext context) {
constraints.init(context, getType());
setUnificationJoin();
this.rightInput.addObjectSink(this);
this.leftInput.addTupleSink(this, context);
if (context == null) {
return;
}
for (InternalWorkingMemory workingMemory : context.getWorkingMemories()) {
final PropagationContext propagationContext =
new PropagationContextImpl(
workingMemory.getNextPropagationIdCounter(),
PropagationContext.RULE_ADDITION,
null,
null,
null);
/* FIXME: This should be generalized at BetaNode level and the
* instanceof should be removed!
*
* When L&R Unlinking is enabled, we only need to update the side
* that is initially linked. If there are tuples to be propagated,
* they will trigger the update (thus, population) of the other side.
* */
if (!lrUnlinkingEnabled || !(this instanceof JoinNode)) {
this.rightInput.updateSink(this, propagationContext, workingMemory);
}
this.leftInput.updateSink(this, propagationContext, workingMemory);
}
}
