// then we de-serialize all the propagated tuples
short head = -1;
while ( (head = stream.readShort()) != PersisterEnums.END ) {
switch ( head ) {
case PersisterEnums.RIGHT_TUPLE : {
int factHandleId = stream.readInt();
RightTupleKey key = new RightTupleKey( factHandleId,
sink );
RightTuple rightTuple = context.rightTuples.get( key );
// just wiring up the match record
new LeftTuple( parentLeftTuple,