BetaMemory memory = (BetaMemory) context.wm.getNodeMemory( (BetaNode) sink );
int type = stream.readShort();
if ( type == PersisterEnums.LEFT_TUPLE_NOT_BLOCKED ) {
memory.getLeftTupleMemory().add( parentLeftTuple );
while ( stream.readShort() == PersisterEnums.LEFT_TUPLE ) {
LeftTupleSink childSink = (LeftTupleSink) sinks.get( stream.readInt() );
LeftTuple childLeftTuple = new LeftTuple( parentLeftTuple,
childSink,
true );
readLeftTuple( childLeftTuple,