public void rowUpdated(
final Rule rule,
final LeftTuple resultLeftTuple,
final PropagationContext context,
final InternalWorkingMemory workingMemory) {
RightTuple rightTuple = (RightTuple) resultLeftTuple.getObject();
if (rightTuple.getMemory() != null) {
// Already sheduled as an insert
return;
}
rightTuple.setLeftTuple(null);
resultLeftTuple.setObject(null);
// We need to recopy everything back again, as we don't know what has or hasn't changed
QueryTerminalNode node = (QueryTerminalNode) resultLeftTuple.getLeftTupleSink();
Declaration[] decls = node.getDeclarations();
InternalFactHandle rootHandle = resultLeftTuple.get(0);
DroolsQuery query = (DroolsQuery) rootHandle.getObject();
Object[] objects = new Object[query.getElements().length];
Declaration decl;
for (int i = 0, length = this.variables.length; i < length; i++) {
decl = decls[this.variables[i]];
objects[this.variables[i]] =
decl.getValue(workingMemory, resultLeftTuple.get(decl).getObject());
}
QueryElementFactHandle handle = (QueryElementFactHandle) rightTuple.getFactHandle();
handle.setRecency(workingMemory.getFactHandleFactory().getAtomicRecency().incrementAndGet());
handle.setObject(objects);
if (query.isOpen()) {
rightTuple.setLeftTuple(resultLeftTuple);
resultLeftTuple.setObject(rightTuple);
}
// Don't need to recreate child links, as they will already be there form the first "add"
RightTupleList rightTuples = query.getResultUpdateRightTupleList();
if (rightTuples == null) {
rightTuples = new RightTupleList();
query.setResultUpdateRightTupleList(rightTuples);
QueryResultUpdateAction updateAction =
new QueryResultUpdateAction(context, this.factHandle, leftTuple, this.node);
context.getQueue2().addFirst(updateAction);
}
rightTuples.add(rightTuple);
}
public void rowAdded(
final Rule rule,
LeftTuple resultLeftTuple,
PropagationContext context,
InternalWorkingMemory workingMemory) {
QueryTerminalNode node = (QueryTerminalNode) resultLeftTuple.getLeftTupleSink();
Declaration[] decls = node.getDeclarations();
DroolsQuery query = (DroolsQuery) this.factHandle.getObject();
Object[] objects = new Object[query.getElements().length];
Declaration decl;
for (int i = 0, length = this.variables.length; i < length; i++) {
decl = decls[this.variables[i]];
objects[this.variables[i]] =
decl.getValue(workingMemory, resultLeftTuple.get(decl).getObject());
}
QueryElementFactHandle resultHandle =
createQueryResultHandle(context, workingMemory, objects);
RightTuple rightTuple = new RightTuple(resultHandle);
if (query.isOpen()) {
rightTuple.setLeftTuple(resultLeftTuple);
resultLeftTuple.setObject(rightTuple);
}
this.node
.getSinkPropagator()
.createChildLeftTuplesforQuery(
this.leftTuple,
rightTuple,
true, // this must always be true, otherwise we can't
// find the child tuples to iterate for evaluating the query results
query.isOpen());
RightTupleList rightTuples = query.getResultInsertRightTupleList();
if (rightTuples == null) {
rightTuples = new RightTupleList();
query.setResultInsertRightTupleList(rightTuples);
QueryResultInsertAction evalAction =
new QueryResultInsertAction(context, this.factHandle, leftTuple, this.node);
context.getQueue2().addFirst(evalAction);
}
rightTuples.add(rightTuple);
}
