Examples of org.infinispan.commands.ReplicableCommand

org.infinispan.commands.ReplicableCommand
The core of the command-based cache framework. Commands correspond to specific areas of functionality in the cache, and can be replicated using the {@link org.infinispan.remoting.rpc.RpcManager} @author Mircea.Markus@jboss.com @author Manik Surtani @since 4.0

         } else if (useRefs && refMap.containsKey(o))// see if this object has been marshalled before.
         {
            out.writeByte(MAGICNUMBER_REF);
            writeReference(out, refMap.get(o));
         } else if (o instanceof ReplicableCommand) {
            ReplicableCommand command = (ReplicableCommand) o;


            if (command.getCommandId() > -1) {
               out.writeByte(MAGICNUMBER_COMMAND);
               marshallCommand(command, out, refMap);
            } else {
               throw new IllegalArgumentException("Command does not have a valid method id!");
            }

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      // an older CH after they got the latest CH.
      synchronized (cacheStatus) {
         CacheTopology cacheTopology = cacheStatus.getCacheTopology();
         log.debugf("Updating cluster-wide consistent hash for cache %s, topology = %s",
               cacheName, cacheTopology);
         ReplicableCommand command = new CacheTopologyControlCommand(cacheName,
               CacheTopologyControlCommand.Type.CH_UPDATE, transport.getAddress(), cacheTopology,
               transport.getViewId());
         executeOnClusterSync(command, getGlobalTimeout());
      }
   }

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   private void broadcastRebalanceStart(String cacheName, ClusterCacheStatus cacheStatus) throws Exception {
      CacheTopology cacheTopology = cacheStatus.getCacheTopology();
      log.debugf("Starting cluster-wide rebalance for cache %s, topology = %s",
            cacheName, cacheTopology);
      ReplicableCommand command = new CacheTopologyControlCommand(cacheName,
            CacheTopologyControlCommand.Type.REBALANCE_START, transport.getAddress(), cacheTopology,
            transport.getViewId());
      executeOnClusterSync(command, getGlobalTimeout());
   }

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      }
   }


   private HashMap<String, List<CacheTopology>> recoverClusterStatus() throws Exception {
      log.debugf("Recovering running caches in the cluster");
      ReplicableCommand command = new CacheTopologyControlCommand(null,
            CacheTopologyControlCommand.Type.GET_STATUS, transport.getAddress(), viewId);
      Map<Address, Object> statusResponses = executeOnClusterSync(command, getGlobalTimeout());


      HashMap<String, List<CacheTopology>> clusterCacheMap = new HashMap<String, List<CacheTopology>>();
      for (Map.Entry<Address, Object> responseEntry : statusResponses.entrySet()) {

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    */
   @Override
   public Object handle(Message req) {
      if (isValid(req)) {
         try {
            ReplicableCommand cmd = (ReplicableCommand) req_marshaller.objectFromByteBuffer(req.getBuffer(), req.getOffset(), req.getLength());
            if (cmd instanceof CacheRpcCommand)
               return executeCommand((CacheRpcCommand) cmd, req);
            else
               return cmd.perform(null);
         }
         catch (Throwable x) {
            if (trace) log.trace("Problems invoking command.", x);
            return x;
         }

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    */
   @Override
   public void handle(Message req, org.jgroups.blocks.Response response) throws Exception {
      if (isValid(req)) {
         boolean preserveOrder = !req.isFlagSet(Message.Flag.OOB);
         ReplicableCommand cmd = null;
         try {
            cmd = (ReplicableCommand) req_marshaller.objectFromBuffer(req.getRawBuffer(), req.getOffset(), req.getLength());
            if (cmd == null) throw new NullPointerException("Unable to execute a null command!  Message was " + req);
            if (req.getSrc() instanceof SiteAddress) {
               executeCommandFromRemoteSite(cmd, (SiteAddress) req.getSrc(), response, preserveOrder);

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    * Message contains a Command. Execute it against *this* object and return result.
    */
   @Override
   public Object handle(Message req) {
      if (isValid(req)) {
         ReplicableCommand cmd = null;
         try {
            cmd = (ReplicableCommand) req_marshaller.objectFromByteBuffer(req.getBuffer(), req.getOffset(), req.getLength());
            if (cmd instanceof CacheRpcCommand)
               return executeCommand((CacheRpcCommand) cmd, req);
            else
               return cmd.perform(null);
         } catch (InterruptedException e) {
            log.warnf("Shutdown while handling command %s", cmd);
            return new ExceptionResponse(new CacheException("Cache is shutting down"));
         } catch (Throwable x) {
            if (cmd == null)

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    */
   @Override
   public Object handle(Message req) {
      if (isValid(req)) {
         try {
            ReplicableCommand cmd = (ReplicableCommand) req_marshaller.objectFromByteBuffer(req.getBuffer(), req.getOffset(), req.getLength());
            if (cmd instanceof CacheRpcCommand)
               return executeCommand((CacheRpcCommand) cmd, req);
            else
               return cmd.perform(null);
         }
         catch (Throwable x) {
            if (trace) log.trace("Problems invoking command.", x);
            return new ExceptionResponse(new CacheException("Problems invoking command.", x));
         }

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   public void inject(RemoteCommandFactory cmdFactory) {
      this.cmdFactory = cmdFactory;
   }


   public void writeObject(ObjectOutput output, Object subject) throws IOException {
      ReplicableCommand command = (ReplicableCommand) subject;
      output.writeShort(command.getCommandId());
      Object[] args = command.getParameters();
      int numArgs = (args == null ? 0 : args.length);


      UnsignedNumeric.writeUnsignedInt(output,numArgs);
      for (int i = 0; i < numArgs; i++) {
         output.writeObject(args[i]);

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    * Message contains a Command. Execute it against *this* object and return result.
    */
   @Override
   public Object handle(Message req) {
      if (isValid(req)) {
         ReplicableCommand cmd = null;
         try {
            cmd = (ReplicableCommand) req_marshaller.objectFromBuffer(req.getRawBuffer(), req.getOffset(), req.getLength());
            if (cmd == null) throw new NullPointerException("Unable to execute a null command!  Message was " + req);
            if (req.getSrc() instanceof SiteAddress) {
               return executeCommandFromRemoteSite(cmd, (SiteAddress)req.getSrc());

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org.infinispan.marshall.exts.ReplicableCommandExternalizer

org.infinispan.marshall.jboss.externalizers.ReplicableCommandExternalizer

org.infinispan.marshall.MarshallerImpl

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org.infinispan.remoting.responses.DefaultResponseGenerator

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