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/*
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* This program is a part of the IoTa project.
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*
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* Copyright © 2008-2012 Université de Caen Basse-Normandie, GREYC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* <http://www.gnu.org/licenses/>
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*
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* See AUTHORS for a list of contributors.
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*/
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package fr.unicaen.iota.application.client.listener;
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import fr.unicaen.iota.application.util.TimeParser;
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import fr.unicaen.iota.application.util.TravelTimeTuple;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import javax.swing.event.EventListenerList;
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import org.fosstrak.epcis.model.*;
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/**
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*
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*/
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public class EventDispatcher {
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private Map<String, TravelTimeTuple> travelTime = new HashMap<String, TravelTimeTuple>();
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private Map<String, Set<String>> usedObjects = new HashMap<String, Set<String>>();
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private final EventListenerList listeners = new EventListenerList();
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public EventDispatcher() {
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}
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public synchronized void addEvent(String session, EPCISEventType e) {
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if (!travelTime.containsKey(session)) {
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travelTime.put(session, new TravelTimeTuple());
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usedObjects.put(session, new HashSet<String>());
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}
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TravelTimeTuple ttt = travelTime.get(session);
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Set<String> nbObjects = usedObjects.get(session);
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processNbObjects(session, e, nbObjects);
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ttt.addEventTimestamp(TimeParser.convert(e.getEventTime().toGregorianCalendar()));
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fireEventReiceved(session, e);
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fireTravelTimeChanged(session, ttt);
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}
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public void addEPCEventListener(EPCEventListener listener) {
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listeners.add(EPCEventListener.class, listener);
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}
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public void removeTemperatureListener(EPCEventListener listener) {
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listeners.remove(EPCEventListener.class, listener);
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}
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private EPCEventListener[] getEPCEventListeners() {
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return listeners.getListeners(EPCEventListener.class);
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}
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protected void fireEventReiceved(String session, EPCISEventType e) {
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for (EPCEventListener listener : getEPCEventListeners()) {
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listener.eventReveived(session, e);
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}
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}
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private void fireTravelTimeChanged(String session, TravelTimeTuple ttt) {
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for (EPCEventListener listener : getEPCEventListeners()) {
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listener.travelTimeChanged(session, ttt);
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}
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}
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private void fireUsedObjectsChanged(String session, int objects) {
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for (EPCEventListener listener : getEPCEventListeners()) {
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listener.usedObjectsChanged(session, objects);
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}
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}
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private void processNbObjects(String session, EPCISEventType e, Set<String> nbObjects) {
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if (e instanceof ObjectEventType) {
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ObjectEventType oe = (ObjectEventType) e;
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if (oe.getAction() == ActionType.ADD) {
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String epc = oe.getEpcList().getEpc().get(0).getValue();
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nbObjects.add(epc);
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}
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} else if (e instanceof AggregationEventType) {
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AggregationEventType ae = (AggregationEventType) e;
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if (ae.getAction() == ActionType.ADD) {
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String epc = ae.getParentID();
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nbObjects.add(epc);
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}
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} else if (e instanceof TransactionEventType) {
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throw new UnsupportedOperationException("Not yet implemented (Transaction) class: eventDispatcher");
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} else if (e instanceof QuantityEventType) {
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throw new UnsupportedOperationException("Not yet implemented (Quantity) class: eventDispatcher");
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}
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fireUsedObjectsChanged(session, nbObjects.size());
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}
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}
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