Examples of org.jgroups.util.Buffer

org.jgroups.util.Buffer
Buffer with an offset and length. Will be replaced with NIO equivalent once JDK 1.4 becomes baseline. This class is immutable. Note that the underlying byte[] buffer must not be changed as long as this Buffer instance is in use ! @author Bela Ban


      /// HACK ALERT!  Used for ISPN-1789.  Enable RSVP if the command is a cache topology control command.
      boolean rsvp = command instanceof CacheTopologyControlCommand;


      RspList<Object> retval = null;
      Buffer buf;
      if (broadcast || FORCE_MCAST) {
         buf = marshallCall(marshaller, command);
         retval = card.castMessage(dests, constructMessage(buf, null, oob, mode, rsvp),
                                   new RequestOptions(mode, timeout, false, filter));
      } else {

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         this.filter = filter;
      }


      public RspList call() throws Exception
      {
         Buffer buf;
         try
         {
            buf = req_marshaller.objectToBuffer(command);
         }
         catch (Exception e)

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   }


   // implement the basic contract set in RPCDispatcher.AbstractMarshaller
   public byte[] objectToByteBuffer(Object obj) throws Exception
   {
      Buffer b = objectToBuffer(obj);
      byte[] bytes = new byte[b.getLength()];
      System.arraycopy(b.getBuf(), b.getOffset(), bytes, 0, b.getLength());
      return bytes;
   }

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   public Object objectFromByteBuffer(byte[] buf) throws Exception {
      return m.objectFromByteBuffer(buf);
   }


   private Buffer toBuffer(ByteBuffer bb) {
      return new Buffer(bb.getBuf(), bb.getOffset(), bb.getLength());
   }

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         if (recipient != null) msg.setDest(recipient);
         return msg;
      }


      private Buffer marshallCall() {
         Buffer buf;
         try {
            buf = req_marshaller.objectToBuffer(command);
         }
         catch (Exception e) {
            throw new RuntimeException("Failure to marshal argument(s)", e);

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         distributedSync.blockUntilNoJoinsInProgress();


         if (filter != null) mode = GroupRequest.GET_FIRST;


         RspList retval = null;
         Buffer buf;
         if (broadcast || FORCE_MCAST) {
            RequestOptions opts = new RequestOptions();
            opts.setMode(mode);
            opts.setTimeout(timeout);
            opts.setRspFilter(filter);

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         if (recipient != null) msg.setDest(recipient);
         return msg;
      }


      private Buffer marshallCall() {
         Buffer buf;
         try {
            buf = req_marshaller.objectToBuffer(command);
         }
         catch (Exception e) {
            throw new RuntimeException("Failure to marshal argument(s)", e);

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         distributedSync.blockUntilNoJoinsInProgress();


         if (filter != null) mode = GroupRequest.GET_FIRST;


         RspList retval = null;
         Buffer buf;
         if (broadcast || FORCE_MCAST) {
            RequestOptions opts = new RequestOptions();
            opts.setMode(mode);
            opts.setTimeout(timeout);
            opts.setRspFilter(filter);

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         if (recipient != null) msg.setDest(recipient);
         return msg;
      }


      private Buffer marshallCall() {
         Buffer buf;
         try {
            buf = req_marshaller.objectToBuffer(command);
         } catch (Exception e) {
            throw new RuntimeException("Failure to marshal argument(s)", e);
         }

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         int mode = supportReplay ? GroupRequest.GET_ALL : this.mode;


         if (filter != null) mode = GroupRequest.GET_FIRST;


         RspList retval = null;
         Buffer buf;
         if (broadcast || FORCE_MCAST) {
            RequestOptions opts = new RequestOptions();
            opts.setMode(mode);
            opts.setTimeout(timeout);
            opts.setRspFilter(filter);

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