Package it.unito.di.artifact

Examples of it.unito.di.artifact.CAMessage

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    @Override
    public void handleCfp(SocialEvent e) {
      logger.debug("CFP event perceived.");
      CAMessage cfp = participant.receive(ACLMessage.CFP);
      t = (Task)(cfp.getContents());
      logger.debug("Task message received");
      // analisi del task e preparazione della proposal in base a qualche criterio
      p = createProposal(t);
      participant.propose(p, cfp.getRoleSender());
     
    }
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    }

    @Override
    public void handleAccept(SocialEvent e) {
      CAMessage accept = participant.receive(ACLMessage.ACCEPT_PROPOSAL);
      // eventuali valutazioni
      if (elaborateTask(t))
        participant.done(t, accept.getRoleSender());
      else
        participant.failure(accept.getRoleSender());
     
    }
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    @Override
    public void handleEvent(SocialEvent e, Object... args) {
      logger.debug("Updating for Initiator, " + e);
      if (e.getElementChanged().getElType() == SocialStateElementType.LOGICAL_EXPRESSION
          && e.getElementChanged().toString().contains("propose")) {
        CAMessage cfp = initiator.receive(ACLMessage.PROPOSE);
        Proposal prop = (Proposal) (cfp.getContents());
        if (!maximumReached) {
          proposals.add(prop);
          logger.debug("Added Proposal, proposals size: "
              + proposals.size());
          if (proposals.size() >= maximumProposals) {
            maximumReached = true;
            // ho raccolto un numero di richieste sufficiente
            // criterio di scelta, reasoning
            // per semplicit�, scelgo la prima
            initiator.accept(proposals.get(0));
            for (int i = 1; i < proposals.size(); i++) {
              initiator.reject(proposals.get(i));
            }
          }
        } else {
          logger.debug("No more proposal allowed, sending reject.");
          initiator.reject(prop);
        }
      } else if (e.getElementChanged().getElType() == SocialStateElementType.LOGICAL_EXPRESSION
          && e.getElementChanged().toString().contains("refuse")) {
        logger.debug("Refusal received.");

      } else if (eventIsDone(e)) {
        CAMessage done = initiator.receive(ACLMessage.INFORM);
        t = (Task) (done.getContents());
        logger.debug("INTERACTION SUCCESSFUL, " + t.getResult());
      } else if (eventIsFailure(e)) {
        CAMessage failure = initiator.receive(ACLMessage.FAILURE);
        logger.debug("Received failure.");
      }

    }
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  // ROLES OPERATIONS
 
  @OPERATION
  public void cfp(Task task, RoleId initiator) {
   
     CAMessage cfp = new CAMessage();
     RoleId dest = new RoleId(PARTICIPANT_ROLE, RoleId.GENERIC_ROLE);
    cfp.setContents(task);
    cfp.setRoleSender(initiator);
    cfp.setRoleReceiver(dest);
    cfp.setPerformative(ACLMessage.CFP);
    send(cfp);
   
    try {
      // createCommitment comporta la new di un commitment. Non ho garanzie se mi baso sui riferimenti al commitment
      // poiche siamo in un ambiente distribuito. Quindi ci vanno meccanismi di matching sullo stato sociale:
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  }
 
  @OPERATION
  public void accept(Proposal proposal, RoleId initiator) {
   
    CAMessage accept = new CAMessage();
     RoleId dest = proposal.getRoleId();
     accept.setRoleSender(initiator);
     accept.setRoleReceiver(dest);
     accept.setPerformative(ACLMessage.ACCEPT_PROPOSAL);
    send(accept);
   
    try {
      assertFact(new Fact("accept"));
      logger.trace("OPERATION PERFORMED: ACCEPT by "+initiator);
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  }
 
  @OPERATION
  public void reject(Proposal proposal, RoleId initiator) {
   
    CAMessage reject = new CAMessage();
     RoleId dest = proposal.getRoleId();
     reject.setRoleSender(initiator);
     reject.setRoleReceiver(dest);
     reject.setPerformative(ACLMessage.REJECT_PROPOSAL);
    send(reject);
   
    try {
      releaseCommitment(new Commitment(proposal.getRoleId(), initiator, "accept", new CompositeExpression(
          LogicalOperatorType.OR, new Fact("done"), new Fact("failure"))));
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  @OPERATION
  public void propose(Proposal prop, RoleId participant, RoleId initiator) {
   
    prop.setRoleId(participant);
    CAMessage proposal = new CAMessage();
     proposal.setContents(prop);
     proposal.setRoleSender(participant);
     proposal.setRoleReceiver(initiator);
     proposal.setPerformative(ACLMessage.PROPOSE);
    send(proposal);
   
    try {
      createCommitment(new Commitment(participant, new RoleId(INITIATOR_ROLE, RoleId.GENERIC_ROLE), "accept", new CompositeExpression(
          LogicalOperatorType.OR, new Fact("done"), new Fact("failure"))));
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  }
 
 
  @OPERATION
  public void refuse(RoleId participant, RoleId initiator) {
    CAMessage refusal = new CAMessage();
    refusal.setRoleSender(participant);
    refusal.setRoleReceiver(initiator);
    refusal.setPerformative(ACLMessage.REFUSE);
    send(refusal);
   
    try {
      releaseCommitment(new Commitment(initiator, participant, "propose", new CompositeExpression(
          LogicalOperatorType.OR, new Fact("accept"), new Fact("reject"))));
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    }
  }
 
  @OPERATION
  public void done(Task task, RoleId participant, RoleId initiator) {
    CAMessage done = new CAMessage();
     done.setContents(task);
     done.setRoleSender(participant);
     done.setRoleReceiver(initiator);
     done.setPerformative(ACLMessage.INFORM);
    send(done);
   
    try {
      assertFact(new Fact("done", initiator, task));
      logger.trace("OPERATION PERFORMED: DONE by "+participant);
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    }
  }
 
  @OPERATION
  public void failure(RoleId participant, RoleId initiator) {
    CAMessage failure = new CAMessage();
    failure.setRoleSender(participant);
    failure.setRoleReceiver(initiator);
    failure.setPerformative(ACLMessage.FAILURE);
    send(failure);
    try {
      assertFact(new Fact("failure"));
      logger.trace("OPERATION PERFORMED: FAILURE by "+participant);
    } catch (MissingOperandException e) {
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Related Classes of it.unito.di.artifact.CAMessage

  • it.unito.di.artifact.examples.agent.ReceiverAgent
  • it.unito.di.artifact.examples.agent.SenderAgent
  • it.unito.di.artifact.examples.cnp.CNPArtifact
  • it.unito.di.artifact.examples.cnpBackup.CNPArtifact
  • it.unito.di.artifact.examples.cnpBackup.InitiatorAgent$InitiatorBehaviour
  • it.unito.di.artifact.examples.cnpBackup.ParticipantAgent$ParticipantBehaviour
  • it.unito.di.artifact.examples.cnpCommits.CNPArtifact
  • it.unito.di.artifact.examples.cnpCommits.CNPArtifactTimer
  • it.unito.di.artifact.examples.cnpCommits.CNPArtifactTimerMaxPart
  • it.unito.di.artifact.examples.cnpCommits.ParticipantAgent$CommitToDoneOrFailureIfAccept
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