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.


      ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));


      // test that the first thing on the stream is the fqn!
      byte magic = ois.readByte();
      short ref = ois.readShort();
      assert magic == CacheMarshaller200.MAGICNUMBER_FQN;


      // now the chunks of an Fqn
      Fqn f = cm200.unmarshallFqn(ois, new UnmarshalledReferences());

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                String value = stream.readUTF();
                swimlaneContextInstance.setActorId(name, value);
            }
        }


        while (stream.readShort() == PersisterEnums.NODE_INSTANCE) {
            readNodeInstance(context, processInstance, processInstance);
        }


        int exclusiveGroupInstances = stream.readInt();
      for (int i = 0; i < exclusiveGroupInstances; i++) {

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            NodeInstanceContainer nodeInstanceContainer,
            WorkflowProcessInstance processInstance) throws IOException {
        ObjectInputStream stream = context.stream;
        long id = stream.readLong();
        long nodeId = stream.readLong();
        int nodeType = stream.readShort();
        NodeInstanceImpl nodeInstance = readNodeInstanceContent(nodeType,
                stream, context, processInstance);


        nodeInstance.setNodeId(nodeId);
        nodeInstance.setNodeInstanceContainer(nodeInstanceContainer);

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                        } catch (ClassNotFoundException e) {
                            throw new IllegalArgumentException("Could not reload variable " + name);
                        }
                    }
                }
                while (stream.readShort() == PersisterEnums.NODE_INSTANCE) {
                    readNodeInstance(context,
                            (CompositeContextNodeInstance) nodeInstance,
                            processInstance);
                }

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                    }
              }


                break;
            case PersisterEnums.FOR_EACH_NODE_INSTANCE:
                while (stream.readShort() == PersisterEnums.NODE_INSTANCE) {
                    readNodeInstance(context,
                            (ForEachNodeInstance) nodeInstance,
                            processInstance);
                }
                break;

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      }
    }


    public void readProcessInstances(MarshallerReaderContext context) throws IOException {
        ObjectInputStream stream = context.stream;
        while ( stream.readShort() == PersisterEnums.PROCESS_INSTANCE ) {
          String processType = stream.readUTF();
          ProcessMarshallerRegistry.INSTANCE.getMarshaller(processType).readProcessInstance(context);
        }
    }

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    }


    public void readWorkItems(MarshallerReaderContext context) throws IOException {
        InternalWorkingMemory wm = context.wm;
        ObjectInputStream stream = context.stream;
        while ( stream.readShort() == PersisterEnums.WORK_ITEM ) {
            WorkItem workItem = readWorkItem( context );
            ((WorkItemManager) wm.getWorkItemManager()).internalAddWorkItem( (org.drools.process.instance.WorkItem) workItem );
        }
    }

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        // still need to think on how to fix this.
//        TimerService service = (TimerService) stream.readObject();
//        timerManager.setTimerService( service );


        while ( stream.readShort() == PersisterEnums.TIMER ) {
            TimerInstance timer = readTimer( context );
            timerManager.internalAddTimer( timer );
        }
    }

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   public Object objectFromByteBuffer(byte[] bytes, int offset, int len) throws IOException, ClassNotFoundException {
      int versionId;
      ObjectInputStream in = new MarshalledValueInputStream(new ByteArrayInputStream(bytes, offset, len));
      try {
         versionId = in.readShort();
         log.trace("Read version {0}", versionId);
      }
      catch (Exception e) {
         log.error("Unable to read version id from first two bytes of stream, barfing.");
         throw new IOException("Unable to read version id from first two bytes of stream.");

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      int versionId;
      ObjectInputStream in = new MarshalledValueInputStream(new ByteArrayInputStream(bytes, offset, len));


      try
      {
         versionId = in.readShort();
         if (trace) log.trace("Read version " + versionId);
      }
      catch (Exception e)
      {
         log.error("Unable to read version id from first two bytes of stream, barfing.");

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