net.ponder2.managedobject.Reasoner.java Source code

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Here is the source code for net.ponder2.managedobject.Reasoner.java

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/**
 *    Copyright (C) 2011 Pedro Mauricio Costa <pm.costa [at] imperial [dot] ac [dot] uk>
 *
 *    This file is part of Cloud2Bubble <http://www.cloud2bubble.com>.
 *
 *     Cloud2Bubble is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     Cloud2Bubble is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser Public License for more details.
 *
 *     You should have received a copy of the GNU Lesser Public License
 *     along with Cloud2Bubble.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.ponder2.managedobject;

import net.ponder2.ManagedObject;
import net.ponder2.apt.Ponder2op;
import net.ponder2.exception.Ponder2ArgumentException;
import net.ponder2.exception.Ponder2Exception;
import net.ponder2.exception.Ponder2OperationException;
import net.ponder2.managedobject.MessagingQueue.Consumer;
import net.ponder2.objects.P2Object;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.cloud2bubble.entities.Environment;
import com.cloud2bubble.services.FuzzyEngine;
import com.cloud2bubble.util.C2BUtils;

/**
 * Interface point between Ponder2 and the Reasoner engine.
 * 
 * @author Pedro Mauricio Costa <pm.costa@imperial.ac.uk>
 *
 */
public class Reasoner implements ManagedObject, Consumer {

    private static final Log log = LogFactory.getLog(Reasoner.class);

    private FuzzyEngine fuzzyEngine;

    //private MessagingQueue mq;

    //   @Deprecated
    //   private Thread consumer = new Thread() {
    //      public void run() {
    //         Message msg;
    //         
    //         while (true) {
    //            if ((mq == null) || ((msg = mq.receive()) == null)) {
    //               try {
    //                  Thread.sleep(500);
    //               } catch (InterruptedException e) {
    //                  log.error(e);
    //               }
    //            } else {
    //               fuzzyEngine.evaluate(msg);
    //               msg.sendReply();
    //            }
    //         }   
    //      }
    //   };

    @Ponder2op("create")
    public Reasoner() {
        fuzzyEngine = FuzzyEngine.getInstance();
        //consumer.start();
    }

    //   @Ponder2op("messaging:")
    //   public void setMessagingQueue(P2Object mq) {
    //      
    //      this.mq = (MessagingQueue) ((P2ObjectAdaptor) mq).getObj();
    //   }

    @Ponder2op("qoe_event:")
    public void qoeEventEntrypoint(P2Object c2bEvent) {
        try {
            P2Object[] props = c2bEvent.asArray();
            Bubble bubble = C2BUtils.getBubble(props[0].asString());

            Double qoe = fuzzyEngine.evaluateQoe(C2BUtils.getCloudlet(props[1].asString()), bubble);

            C2BUtils.updateBubble(bubble.getId(), Environment.QOE.toString(), qoe.toString());

        } catch (Ponder2ArgumentException e) {
            log.error(e);
        } catch (Ponder2OperationException e) {
            log.error(e);
        } catch (Ponder2Exception e) {
            log.error(e);
        }
    }

}