parentLeftTuple.setBlocker( rightTuple );
rightTuple.addBlocked( parentLeftTuple );
while (stream.readShort() == PersisterEnums.LEFT_TUPLE) {
LeftTupleSink childSink = (LeftTupleSink) sinks.get( stream.readInt() );
LeftTuple childLeftTuple = childSink.createLeftTuple( parentLeftTuple,
childSink,
parentLeftTuple.getPropagationContext(), true);
readLeftTuple( childLeftTuple,
context );
}