}
final TupleStartEqualsConstraint constraint = TupleStartEqualsConstraint.getInstance();
TupleStartEqualsConstraintContextEntry contextEntry = new TupleStartEqualsConstraintContextEntry();
contextEntry.updateFromTuple(workingMemory, leftTuple);
FastIterator rightIt = rightMemory.fastIterator();
RightTuple temp = null;
for (RightTuple rightTuple = rightMemory.getFirst(leftTuple, (InternalFactHandle) context.getFactHandle(), rightIt); rightTuple != null; ) {
temp = (RightTuple) rightIt.next(rightTuple);