private static ProtobufMessages.NodeMemory writeAccumulateNodeMemory(
final int nodeId, final Memory memory) {
// for accumulate nodes, we need to store the ID of created (result) handles
AccumulateMemory accmem = (AccumulateMemory) memory;
if (accmem.betaMemory.getLeftTupleMemory().size() > 0) {
ProtobufMessages.NodeMemory.AccumulateNodeMemory.Builder _accumulate =
ProtobufMessages.NodeMemory.AccumulateNodeMemory.newBuilder();
final org.drools.core.util.Iterator tupleIter =
accmem.betaMemory.getLeftTupleMemory().iterator();
for (LeftTuple leftTuple = (LeftTuple) tupleIter.next();
leftTuple != null;
leftTuple = (LeftTuple) tupleIter.next()) {
AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
if (accctx.getResultFactHandle() != null) {
FactHandle _handle =
ProtobufMessages.FactHandle.newBuilder()
.setId(accctx.getResultFactHandle().getId())
.setRecency(accctx.getResultFactHandle().getRecency())
.build();
_accumulate.addContext(
ProtobufMessages.NodeMemory.AccumulateNodeMemory.AccumulateContext.newBuilder()
.setTuple(PersisterHelper.createTuple(leftTuple))
.setResultHandle(_handle)
.build());
}
}
return ProtobufMessages.NodeMemory.newBuilder()
.setNodeId(nodeId)
.setNodeType(ProtobufMessages.NodeMemory.NodeType.ACCUMULATE)
.setAccumulate(_accumulate.build())
.build();
}
return null;
}
public void execute(InternalWorkingMemory workingMemory) {
final AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
accctx.setAction(null);
node.evaluateResultConstraints(
source, leftTuple, context, workingMemory, memory, accctx, useLeftMemory);
}