Examples of java.io.ObjectInputStream.readShort()

java.io.ObjectInputStream.readShort()
Reads and returns primitive data of type short from the receiver @return a short saved as primitive data usingObjectOutputStream.writeShort() @throws IOException If an IO exception happened when reading the primitive data.

                int type = stream.readShort();
                if (type == PersisterEnums.LEFT_TUPLE_NOT_BLOCKED) {
                    addToLeftMemory( parentLeftTuple,
                                     memory );


                    while (stream.readShort() == PersisterEnums.LEFT_TUPLE) {
                        LeftTupleSink childSink = (LeftTupleSink) sinks.get( stream.readInt() );
                        LeftTuple childLeftTuple = childSink.createLeftTuple( parentLeftTuple,
                                                                              childSink,
                                                                              true );
                        readLeftTuple( childLeftTuple,

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            case NodeTypeEnums.ExistsNode: {
                BetaMemory memory = (BetaMemory) context.wm.getNodeMemory( (BetaNode) sink );
                readBehaviors( (BetaNode) sink,
                               memory,
                               context );
                int type = stream.readShort();
                if (type == PersisterEnums.LEFT_TUPLE_NOT_BLOCKED) {
                    addToLeftMemory( parentLeftTuple,
                                     memory );
                } else {
                    int factHandleId = stream.readInt();

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                    RightTuple rightTuple = context.rightTuples.get( key );


                    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,
                                                                              true );
                        readLeftTuple( childLeftTuple,

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                // then we de-serialize the boolean propagated flag
                accctx.propagated = stream.readBoolean();


                // 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 );

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                            handle );


                readRightTuples( handle,
                                 context );


                stream.readShort(); // Persistence.END
                break;
            }
            case NodeTypeEnums.FromNode: {
                //              context.out.println( "FromNode" );
                // FNs generate new fact handles on-demand to wrap objects and need special procedures when serializing to persistent storage

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                memory.betaMemory.getLeftTupleMemory().add( parentLeftTuple );
                Map<Object, RightTuple> matches = new LinkedHashMap<Object, RightTuple>();
                parentLeftTuple.setObject( matches );


                while (stream.readShort() == PersisterEnums.FACT_HANDLE) {
                    // we de-serialize the generated fact handle ID
                    InternalFactHandle handle = readFactHandle( context );
                    context.handles.put( handle.getId(),
                                         handle );
                    readRightTuples( handle,

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                    readRightTuples( handle,
                                     context );
                    matches.put( handle.getObject(),
                                 handle.getFirstRightTuple() );
                }
                while (stream.readShort() == PersisterEnums.RIGHT_TUPLE) {
                    LeftTupleSink childSink = (LeftTupleSink) sinks.get( stream.readInt() );
                    int factHandleId = stream.readInt();
                    RightTupleKey key = new RightTupleKey( factHandleId,
                                                           null ); // created tuples in from node always use null sink
                    RightTuple rightTuple = context.rightTuples.get( key );

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                    node.createDroolsQuery( parentLeftTuple,
                                            handle,
                                            context.wm );
                    readLeftTuples( context );
                } else {
                    while (stream.readShort() == PersisterEnums.LEFT_TUPLE) {
                        LeftTupleSink childSink = (LeftTupleSink) sinks.get( stream.readInt() );
                        // we de-serialize the generated fact handle ID
                        InternalFactHandle handle = readFactHandle( context );
                        context.handles.put( handle.getId(),
                                             handle );

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                        entry = entry.getParent();
                    }
                    DroolsQuery query = (DroolsQuery) entry.getLastHandle().getObject();
                    LeftTuple leftTuple = ( (UnificationNodeViewChangedEventListener) query.getQueryResultCollector() ).getLeftTuple();


                    while (stream.readShort() == PersisterEnums.LEFT_TUPLE) {
                        LeftTupleSink childSink = (LeftTupleSink) sinks.get( stream.readInt() );
                        // @TODO check if open query!!!
                        LeftTuple childLeftTuple = childSink.createLeftTuple( leftTuple,
                                                                              rightTuple,
                                                                              childSink );

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    }


    public static void readActivations( MarshallerReaderContext context ) throws IOException {
        ObjectInputStream stream = context.stream;


        while (stream.readShort() == PersisterEnums.ACTIVATION) {
            readActivation( context );
        }
    }


    public static Activation readActivation( MarshallerReaderContext context ) throws IOException {

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