private static ProtobufMessages.NodeMemory writeQueryElementNodeMemory(
final int nodeId, final Memory memory, final InternalWorkingMemory wm) {
LeftTupleIterator it = LeftTupleIterator.iterator(wm, ((QueryElementNodeMemory) memory).node);
ProtobufMessages.NodeMemory.QueryElementNodeMemory.Builder _query =
ProtobufMessages.NodeMemory.QueryElementNodeMemory.newBuilder();
for (LeftTuple leftTuple = (LeftTuple) it.next();
leftTuple != null;
leftTuple = (LeftTuple) it.next()) {
InternalFactHandle handle = (InternalFactHandle) leftTuple.getObject();
FactHandle _handle =
ProtobufMessages.FactHandle.newBuilder()
.setId(handle.getId())
.setRecency(handle.getRecency())
.build();
ProtobufMessages.NodeMemory.QueryElementNodeMemory.QueryContext.Builder _context =
ProtobufMessages.NodeMemory.QueryElementNodeMemory.QueryContext.newBuilder()
.setTuple(PersisterHelper.createTuple(leftTuple))
.setHandle(_handle);
LeftTuple childLeftTuple = leftTuple.getFirstChild();
while (childLeftTuple != null) {
RightTuple rightParent = childLeftTuple.getRightParent();
_context.addResult(
ProtobufMessages.FactHandle.newBuilder()
.setId(rightParent.getFactHandle().getId())
.setRecency(rightParent.getFactHandle().getRecency())
.build());
while (childLeftTuple != null && childLeftTuple.getRightParent() == rightParent) {
// skip to the next child that has a different right parent
childLeftTuple = childLeftTuple.getLeftParentNext();
}
}
_query.addContext(_context.build());
}
return _query.getContextCount() > 0
? ProtobufMessages.NodeMemory.newBuilder()
.setNodeId(nodeId)
.setNodeType(ProtobufMessages.NodeMemory.NodeType.QUERY_ELEMENT)
.setQueryElement(_query.build())
.build()
: null;
}
public void updateSink(
final LeftTupleSink sink,
final PropagationContext context,
final InternalWorkingMemory workingMemory) {
LeftTupleIterator it = LeftTupleIterator.iterator(workingMemory, this);
for (LeftTuple leftTuple = (LeftTuple) it.next();
leftTuple != null;
leftTuple = (LeftTuple) it.next()) {
LeftTuple childLeftTuple = leftTuple.getFirstChild();
while (childLeftTuple != null) {
RightTuple rightParent = childLeftTuple.getRightParent();
sink.assertLeftTuple(
sink.createLeftTuple(leftTuple, rightParent, childLeftTuple, null, sink, true),
context,
workingMemory);
while (childLeftTuple != null && childLeftTuple.getRightParent() == rightParent) {
// skip to the next child that has a different right parent
childLeftTuple = childLeftTuple.getLeftParentNext();
}
}
}
}
