Examples of jade.core.GenericCommand

jade.core.GenericCommand
A generic implementation of the Command interface, operating at the meta-level to provide a generic transformation of method invocations. Generic commands can be used both as vertical and horizontal commands. Objects of this class can also be recycled to build command pools, since every information they hold can be rewritten. @author Giovanni Rimassa - FRAMeTech s.r.l.

        content = content + " (ACLMessage) ) (MTS-error " + receiver + " \"" +
            ie.getMessage() + "\") )";
        failure.setContent(content);


        try {
            GenericCommand command = new GenericCommand(MessagingSlice.SEND_MESSAGE,
                    MessagingSlice.NAME, null);
            command.addParam(theAMS);
            command.addParam(new GenericMessage(failure));
            command.addParam((AID) (failure.getAllReceiver().next()));


            // FIXME: We should set the AMS principal and credentials
            submit(command);
        } catch (ServiceException se) {
            // It should never happen

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 */
public class TopicManagementProxy extends SliceProxy implements TopicManagementSlice {
  
  public void register(AID aid, AID topic) throws IMTPException {
    try {
      GenericCommand cmd = new GenericCommand(H_REGISTER, TopicManagementService.NAME, null);
      cmd.addParam(aid);
      cmd.addParam(topic);
      
      Node n = getNode();
      Object result = n.accept(cmd);
      if((result != null) && (result instanceof Throwable)) {
        if(result instanceof IMTPException) {

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    }
  }
  
  public void deregister(AID aid, AID topic) throws IMTPException {  
    try {
      GenericCommand cmd = new GenericCommand(H_DEREGISTER, TopicManagementService.NAME, null);
      cmd.addParam(aid);
      cmd.addParam(topic);
      
      Node n = getNode();
      Object result = n.accept(cmd);
      if((result != null) && (result instanceof Throwable)) {
        if(result instanceof IMTPException) {

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          String agentName = (String)params[1];
          
          cmd.setReturnValue(fetchClassFile(className, agentName));
        }
        else if(cmdName.equals(AgentMobilitySlice.H_MOVEAGENT)) {
          GenericCommand gCmd = new GenericCommand(AgentMobilityHelper.REQUEST_MOVE, AgentMobilitySlice.NAME, null);
          AID agentID = (AID)params[0];
          Location where = (Location)params[1];
          gCmd.addParam(agentID);
          gCmd.addParam(where);
          
          result = gCmd;
        }
        else if(cmdName.equals(AgentMobilitySlice.H_COPYAGENT)) {
          GenericCommand gCmd = new GenericCommand(AgentMobilityHelper.REQUEST_CLONE, AgentMobilitySlice.NAME, null);
          AID agentID = (AID)params[0];
          Location where = (Location)params[1];
          String newName = (String)params[2];
          gCmd.addParam(agentID);
          gCmd.addParam(where);
          gCmd.addParam(newName);
          
          result = gCmd;
        }
        else if(cmdName.equals(AgentMobilitySlice.H_PREPARE)) {
          
          cmd.setReturnValue(new Boolean(prepare()));
        }
        else if(cmdName.equals(AgentMobilitySlice.H_TRANSFERIDENTITY)) {
          AID agentID = (AID)params[0];
          Location src = (Location)params[1];
          Location dest = (Location)params[2];
          
          cmd.setReturnValue(new Boolean(transferIdentity(agentID, src, dest)));
        }
        else if(cmdName.equals(AgentMobilitySlice.H_HANDLETRANSFERRESULT)) {
          AID agentID = (AID)params[0];
          boolean transferResult = ((Boolean)params[1]).booleanValue();
          List messages = (List)params[2];
          
          handleTransferResult(agentID, transferResult, messages);
        }
        else if(cmdName.equals(AgentMobilitySlice.H_CLONEDAGENT)) {
          GenericCommand gCmd = new GenericCommand(AgentMobilityHelper.INFORM_CLONED, AgentMobilitySlice.NAME, null);
          AID agentID = (AID)params[0];
          ContainerID cid = (ContainerID)params[1];
          Credentials creds = (Credentials)params[2];
          gCmd.addParam(agentID);
          gCmd.addParam(cid);
          gCmd.addParam(creds);
          
          result = gCmd;
        }
        //#J2ME_EXCLUDE_BEGIN
        else if(cmdName.equals(AgentMobilitySlice.H_CLONECODELOCATORENTRY)) {

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 */
public class ResourceManagementProxy extends SliceProxy implements ResourceManagementSlice {


  public byte[] getResource(String name, int fetchMode) throws Exception {
    try {
      GenericCommand cmd = new GenericCommand(H_GETRESOURCE, ResourceManagementService.NAME, null);
      cmd.addParam(name);
      cmd.addParam(fetchMode);
      
      Node n = getNode();
      Object result = n.accept(cmd);
      if((result != null) && (result instanceof Throwable)) {
        if(result instanceof Exception) {

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      try {
        String cmdName = cmd.getName();
        Object[] params = cmd.getParams();
        
        if(cmdName.equals(MessagingSlice.H_DISPATCHLOCALLY)) {
          GenericCommand gCmd = new GenericCommand(MessagingSlice.SEND_MESSAGE, MessagingSlice.NAME, null);
          AID senderAID = (AID)params[0];
          GenericMessage msg = (GenericMessage)params[1];
          AID receiverID = (AID)params[2];
          if (params.length == 4) {
            msg.setTimeStamp(((Long) params[3]).longValue()); 
          }
          if (msg.getTraceID() != null) {
            myLogger.log(Logger.INFO, "MessagingService slice received message "+MessageManager.stringify(msg)+" for receiver "+receiverID.getLocalName()+". Trace ID = "+msg.getTraceID());
          }
          gCmd.addParam(senderAID);
          gCmd.addParam(msg);
          gCmd.addParam(receiverID);
          result = gCmd;
        }
        else if(cmdName.equals(MessagingSlice.H_GETAGENTLOCATION)) {
          AID agentID = (AID)params[0];
          
          cmd.setReturnValue(getAgentLocation(agentID));
        }
        else if(cmdName.equals(MessagingSlice.H_ROUTEOUT)) {
          Envelope env = (Envelope)params[0];
          byte[] payload = (byte[])params[1];
          AID receiverID = (AID)params[2];
          String address = (String)params[3];
          
          routeOut(env, payload, receiverID, address);
        }
        else if(cmdName.equals(MessagingSlice.H_INSTALLMTP)) {
          GenericCommand gCmd = new GenericCommand(MessagingSlice.INSTALL_MTP, MessagingSlice.NAME, null);
          String address = (String)params[0];
          String className = (String)params[1];
          gCmd.addParam(address);
          gCmd.addParam(className);
          
          result = gCmd;
        }
        else if(cmdName.equals(MessagingSlice.H_UNINSTALLMTP)) {
          GenericCommand gCmd = new GenericCommand(MessagingSlice.UNINSTALL_MTP, MessagingSlice.NAME, null);
          String address = (String)params[0];
          gCmd.addParam(address);
          
          result = gCmd;
        }
        else if(cmdName.equals(MessagingSlice.H_NEWMTP)) {
          MTPDescriptor mtp = (MTPDescriptor)params[0];
          ContainerID cid = (ContainerID)params[1];
          
          GenericCommand gCmd = new GenericCommand(MessagingSlice.NEW_MTP, MessagingSlice.NAME, null);
          gCmd.addParam(mtp);
          gCmd.addParam(cid);
          
          result = gCmd;
        }
        else if(cmdName.equals(MessagingSlice.H_DEADMTP)) {
          MTPDescriptor mtp = (MTPDescriptor)params[0];
          ContainerID cid = (ContainerID)params[1];
          
          GenericCommand gCmd = new GenericCommand(MessagingSlice.DEAD_MTP, MessagingSlice.NAME, null);
          gCmd.addParam(mtp);
          gCmd.addParam(cid);
          
          result = gCmd;
        }
        else if(cmdName.equals(MessagingSlice.H_ADDROUTE)) {
          MTPDescriptor mtp = (MTPDescriptor)params[0];

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    Iterator routeIterator = routes.getAddresses();
    while ( routeIterator.hasNext() ) {
      platformAddresses.add( routeIterator.next() );
    }
    // make an uninstall-mtp command to re-use for each MTP installed
    GenericCommand cmd = new GenericCommand( MessagingSlice.UNINSTALL_MTP, getName(), null );
    // for each platform address, uninstall the MTP it represents
    routeIterator = platformAddresses.iterator();
    while ( routeIterator.hasNext() ) {
      String route = (String)routeIterator.next();
      try {
        cmd.addParam( route );
        receiverSink.consume( cmd );
        cmd.removeParam( route );
        if ( myLogger.isLoggable( Logger.FINER ) ) {
          myLogger.log( Logger.FINER,"uninstalled MTP "+route );
        }
      }
      catch ( Exception e ) {

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    if ("true".equals(acl.getUserDefinedParameter(ACLMessage.IGNORE_FAILURE))) {
      // Ignore the failure 
      return;
    }
    
    GenericCommand cmd = new GenericCommand(MessagingSlice.NOTIFY_FAILURE, MessagingSlice.NAME, null);
    cmd.addParam(msg);
    cmd.addParam(receiver);
    cmd.addParam(ie);
    
    try {
      submit(cmd);
    }
    catch(ServiceException se) {

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     * the Message Transport Service.
     * Package scoped as it can be called by the MessageManager
     */
    public void notifyFailureToSender(GenericMessage msg, AID receiver,
        InternalError ie) {
        GenericCommand cmd = new GenericCommand(MessagingSlice.NOTIFY_FAILURE,
                MessagingSlice.NAME, null);
        cmd.addParam(receiver);
        cmd.addParam(msg);
        cmd.addParam(ie);


        try {
            submit(cmd);
        } catch (ServiceException se) {
            // It should never happen

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  private void killNode(String name, byte[] nn) {
    Node node = null;
    try {
      node = nodeSerializer.deserialize(nn);
      HorizontalCommand cmd = new GenericCommand(H_KILLNODE, NAME, null);
      node.accept(cmd);
      myLogger.log(Logger.INFO, "Node "+name+" successfully killed.");
    }
    catch (IMTPException imtpe) {
      myLogger.log(Logger.INFO, "Node "+name+" unreachable (it has likely been killed in the meanwhile) or does not support fault recovery.");

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