コード例 #1
0
 public CancelSlotBehaviour(SectionAssignment sectAss) {
   this.sectAss = sectAss;
   this.subjectName = sectAss.getSection().getSubject().getName();
   this.sectionName = sectAss.getSection().getSectionName();
 }
コード例 #2
0
    public void action() {
      // TODO: Implement deliberation of for the next action
      // action=deliberate(Desire, Beliefs);

      switch (action) {
        case ACTION_SEARCH_MAIN_SCHEDULER:
          logger.info(getLocalName() + " searching for main scheduler...");
          DFAgentDescription template = new DFAgentDescription();
          ServiceDescription sd = new ServiceDescription();
          sd.setType("scheduler");
          template.addServices(sd);
          try {
            DFAgentDescription[] result = DFService.search(myAgent, template);
            if (result.length != 0) {
              logger.info(getLocalName() + ":scheduler agent found.");
              schedulerAgent = result[0].getName();
            }
          } catch (FIPAException fe) {
            fe.printStackTrace();
          }
          action = ACTION_GET_FORM5;
          break;
        case ACTION_GET_FORM5:
          try {
            logger.info(getLocalName() + " requesting for Form 5..");
            msg = new ACLMessage(ACLMessage.REQUEST);
            msg.setContent(MSG_GET_FORM5);
            msg.addReceiver(schedulerAgent);
            send(msg);
            reply = blockingReceive(MessageTemplate.MatchPerformative(ACLMessage.INFORM));
            if (reply != null) {
              schedule = (IForm5) reply.getContentObject();
              logger.info(
                  getLocalName()
                      + " schedule received, units obtained: "
                      + schedule.getUnitsObtained()
                      + ", units allowed: "
                      + schedule.getWriteIn().getUnitsAllowed());

              for (Iterator ite = schedule.getWriteIn().getSubjects().iterator(); ite.hasNext(); ) {
                ISubject sub = (ISubject) ite.next();
                SectionAssignment sectAss =
                    (SectionAssignment) schedule.getSectionAssignment(sub.getName());
                if (sectAss != null) {
                  logger.info(sub.getName() + " " + sectAss.getSection().getSectionName());
                  toCancel = sectAss;
                } else {
                  logger.info(sub.getName() + " NOT ENLISTED");
                }
              }
            }
          } catch (Exception ioe) {
            ioe.printStackTrace();
          }

          // action=ACTION_POST_SWAP_REQUEST;
          action = ACTION_ENLIST;

          break;
        case ACTION_ENLIST:
          List unassigned = schedule.getUnassigned();
          passCount++;
          if (unassigned.size() == 0) {
            action = ACTION_HAPPY;
            break;
          } else if (passCount == 1) {
            Map assignments = schedule.getSectionAssignments();
            List subjects = new ArrayList(assignments.keySet());
            if (subjects.size() > 1) {
              Collections.shuffle(subjects);
              for (int i = 0; i < (subjects.size() - 1); i++) {
                String subject = (String) subjects.get(i);
                SectionAssignment sectAss = schedule.getSectionAssignment(subject);
                myAgent.addBehaviour(new CancelSlotBehaviour(sectAss));
              }
            }
            /*
             for(Iterator ite2=assignments.keySet().iterator();ite2.hasNext();){
            	String subject=(String)ite2.next();
            	SectionAssignment sectAss=schedule.getSectionAssignment(subject);
            	myAgent.addBehaviour(new CancelSlotBehaviour(sectAss));
            }
            */
            // for each unassigned subject, attempt to enlist
            for (Iterator ite = unassigned.iterator(); ite.hasNext(); ) {
              ISubject sub = (ISubject) ite.next();
              myAgent.addBehaviour(new EnlistBehaviour(sub));
            }
          } else {
            action = ACTION_HAPPY;
          }
          break;
        case ACTION_CANCEL_SLOT:
          myAgent.addBehaviour(new CancelSlotBehaviour(toCancel));
          action = ACTION_END;
          break;
        case ACTION_POST_SWAP_REQUEST:
          SwapEntry entry = new SwapEntry(getLocalName(), toCancel.getSection(), null);
          myAgent.addBehaviour(new PostSwapRequestBehaviour(entry));
          action = ACTION_END;
          break;
        case ACTION_HAPPY:
          // At this point student agent submits his schedule
          /*
          System.out.println("HAPPY");

          for (Iterator ite=schedule.getSectionAssignments().keySet().iterator();ite.hasNext();){
          	String key=(String)ite.next();
          	SectionAssignment sectAss = schedule.getSectionAssignment(key);
          	String sectName=sectAss.getSection().getSectionName();
          	System.out.println(getLocalName()+":"+key+" "+sectName);
          }
          */
          try {
            msg = new ACLMessage(ACLMessage.REQUEST);
            msg.setContentObject(schedule);
            msg.addReceiver(schedulerAgent);
            send(msg);
          } catch (Exception e) {
            e.printStackTrace();
          }
          action = ACTION_END;
          myAgent.doDelete();
          break;
      }
    }
コード例 #3
0
    /** The interesting stuff */
    public void action() {

      // increment number of attempts
      attempts++;

      // Don't enlist if adding a subject will exceed the allowed units
      if (schedule.getUnitsObtained() + 3 > (schedule.getWriteIn().getUnitsAllowed())) {
        done = true;
      }

      if (attempts > THRESH || done) {
        return;
      }

      logger.info(getLocalName() + ":" + "Attempting to enlist in " + sub.getName());
      // Search for the enlistor of the subject
      DFAgentDescription template = new DFAgentDescription();
      ServiceDescription sd = new ServiceDescription();
      sd.setType(sub.getName());
      template.addServices(sd);
      try {
        DFAgentDescription[] result = DFService.search(myAgent, template);
        // Ok we got the enlistor
        if (result.length != 0) {
          logger.info(getLocalName() + ": " + sub.getName() + " agent found.");
          enlistorAgent = result[0].getName();

          // Request for sections with available slots at this moment
          msg = new ACLMessage(ACLMessage.REQUEST);
          msg.setContentObject(new EnlistorMessage(ACTION_GET_SECTIONS_WITH_SLOTS, null));
          msg.addReceiver(enlistorAgent);
          send(msg);

          reply = blockingReceive(MessageTemplate.MatchPerformative(ACLMessage.INFORM));
          Vector sections = (Vector) reply.getContentObject();
          // Oops, all sections for this subject are full
          if (sections.size() == 0) {
            logger.info(getLocalName() + ":" + "No slots available for " + sub.getName());
          } else { // ok we have some sections
            // Randomize the sections.
            Collections.shuffle(sections);

            NoConflictConstraint constraint =
                new NoConflictConstraint(schedule.getSectionAssignments());
            // Look for the first section assignment that does not
            // conflict with the current form 5
            for (Iterator ite = sections.iterator(); ite.hasNext(); ) {
              SectionAssignment sectAss = (SectionAssignment) ite.next();
              if (!constraint.isSatisfied(sectAss.getLecture())) {
                // System.out.println(getLocalName()+":"+"Conflict in lecture of
                // "+sectAss.getLecture().getSectionName());
                continue;
              } else if ((sectAss.getLab() != null)
                  && (!constraint.isSatisfied(sectAss.getLab()))) {
                // System.out.println(getLocalName()+":"+"Conflict in lab of
                // "+sectAss.getLab().getSectionName());
                continue;
              } else {
                // Ok no conflict in lab or lecture
                // send message to enlist to this section assingment
                // msg.
                msg = new ACLMessage(ACLMessage.REQUEST);
                msg.setContentObject(new EnlistorMessage(ACTION_ENLIST, sectAss));
                msg.addReceiver(enlistorAgent);
                send(msg);
                reply = blockingReceive(MessageTemplate.MatchPerformative(ACLMessage.INFORM));
                if (reply != null && reply.getContent().equals(MSG_CONFIRM)) {
                  logger.info(
                      getLocalName()
                          + ":"
                          + "enlist to "
                          + sectAss.getSection().getSubject().getName()
                          + " "
                          + sectAss.getSection().getSectionName());
                  schedule.addSectionAssignment(sectAss);

                  done = true;
                }
                break;
              }
            }
          }
        }
      } catch (Exception fe) {
        fe.printStackTrace();
      }
    }