public static void doUpdatesExistentialReorderLeftMemory(
BetaMemory bm, TupleSets<LeftTuple> srcLeftTuples) {
TupleMemory ltm = bm.getLeftTupleMemory();
// sides must first be re-ordered, to ensure iteration integrity
for (LeftTuple leftTuple = srcLeftTuples.getUpdateFirst(); leftTuple != null; ) {
LeftTuple next = leftTuple.getStagedNext();
if (leftTuple.getMemory() != null) {
ltm.remove(leftTuple);
}
leftTuple = next;
}
for (LeftTuple leftTuple = srcLeftTuples.getUpdateFirst(); leftTuple != null; ) {
LeftTuple next = leftTuple.getStagedNext();
RightTuple blocker = leftTuple.getBlocker();
if (blocker == null) {
ltm.add(leftTuple);
for (LeftTuple childLeftTuple = leftTuple.getFirstChild(); childLeftTuple != null; ) {
LeftTuple childNext = childLeftTuple.getHandleNext();
childLeftTuple.reAddRight();
childLeftTuple = childNext;
}
} else if (blocker.getStagedType() != LeftTuple.NONE) {
// it's blocker is also being updated, so remove to force it to start from the beginning
blocker.removeBlocked(leftTuple);
}
leftTuple = next;
}
}
public static void doUpdatesReorderLeftMemory(BetaMemory bm, TupleSets<LeftTuple> srcLeftTuples) {
TupleMemory ltm = bm.getLeftTupleMemory();
// sides must first be re-ordered, to ensure iteration integrity
for (LeftTuple leftTuple = srcLeftTuples.getUpdateFirst(); leftTuple != null; ) {
LeftTuple next = leftTuple.getStagedNext();
ltm.remove(leftTuple);
leftTuple = next;
}
for (LeftTuple leftTuple = srcLeftTuples.getUpdateFirst(); leftTuple != null; ) {
LeftTuple next = leftTuple.getStagedNext();
ltm.add(leftTuple);
for (LeftTuple childLeftTuple = leftTuple.getFirstChild(); childLeftTuple != null; ) {
LeftTuple childNext = childLeftTuple.getHandleNext();
childLeftTuple.reAddRight();
childLeftTuple = childNext;
}
leftTuple = next;
}
}