com.almende.dsol.example.datacenters.Service.java Source code

Introduction

Here is the source code for com.almende.dsol.example.datacenters.Service.java

Source

/* $Id: a8fa4450c122098031537401afcb6bc9a996497f $
 * 
 * @license
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy
 * of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.almende.dsol.example.datacenters;

import io.coala.log.LogUtil;

import java.rmi.RemoteException;

import nl.tudelft.simulation.dsol.SimRuntimeException;
import nl.tudelft.simulation.dsol.formalisms.eventscheduling.SimEvent;

import org.apache.log4j.Logger;
import org.joda.time.Interval;

/**
 * Service
 */
public class Service extends AbstractFederationModelComponent {

    /** */
    private static final long serialVersionUID = 1L;

    /** */
    private static final Logger LOG = LogUtil.getLogger(Service.class);

    /** */
    private static int ID_COUNT = 1;

    /** */
    private final String ownerName;

    /** */
    private final double startTime;

    /** service power (Watt) = energy (J) over time (s) */
    private final double consumptionKW;

    /** service cash flow (EUR) per hour */
    private final double hourlyCashflow;

    /**
     * @param datacenter
     * @throws RemoteException
     * @throws SimRuntimeException
     */
    public Service(final FederationModel model, final Datacenter owner, final Interval interval,
            final double consumptionKW, final double hourlyCashflow) {
        super(model, "SVC" + ID_COUNT++);
        this.ownerName = owner.getName();
        this.consumptionKW = consumptionKW;
        this.hourlyCashflow = hourlyCashflow;

        this.startTime = simTime(interval.getStart());
        final double endTime = simTime(interval.getEnd());
        try {
            getSimulator().scheduleEvent(
                    new SimEvent(this.startTime, this, this, STARTED_METHOD_ID, FederationModel.NO_ARGS));
            getSimulator()
                    .scheduleEvent(new SimEvent(endTime, this, this, COMPLETED_METHOD_ID, FederationModel.NO_ARGS));
        } catch (final RemoteException | SimRuntimeException e) {
            LOG.error("t=" + model.getSimTime() + " (" + model.getDateTime()
                    + ") Problem scheduling service start/end: " + interval, e);
        }

        // LOG.trace(String.format(
        // "t=%.4f (%s) Service %d scheduled for %.2f-%.2f (%s)",
        // model.getSimTime(), model.getDateTime(), getId(),
        // this.startTime, endTime, interval));
    }

    private static final String STARTED_METHOD_ID = "started";

    protected void started() {
        // LOG.trace("Service " + getId() + " started, t= "
        // + this.model.toDateTime());
        fireEvent(SERVICE_STARTED, null);
        fireEvent(CONSUMPTION_CHANGED, this.consumptionKW);
        fireEvent(CASHFLOW_CHANGED, this.hourlyCashflow);
    }

    private static final String COMPLETED_METHOD_ID = "completed";

    protected void completed() {
        // LOG.trace("Service " + getId() + " completed, t= "
        // + this.model.toDateTime());
        fireEvent(SERVICE_COMPLETED, null);
        fireEvent(CONSUMPTION_CHANGED, -this.consumptionKW);
        fireEvent(CASHFLOW_CHANGED, -this.hourlyCashflow);
    }

    /** @return the id */
    public String getOwnerName() {
        return this.ownerName;
    }

}