/jboss-as-7.1.1.Final/ejb3/src/main/java/org/jboss/as/ejb3/timerservice/TimerHandleImpl.java
# · Java · 138 lines · 70 code · 16 blank · 52 comment · 22 complexity · ff7e52cf8e9a216489184adbae763af7 MD5 · raw file
- /*
- * JBoss, Home of Professional Open Source.
- * Copyright 2011, Red Hat, Inc., and individual contributors
- * as indicated by the @author tags. See the copyright.txt file in the
- * distribution for a full listing of individual contributors.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This software 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 General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this software; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
- */
- package org.jboss.as.ejb3.timerservice;
- import javax.ejb.EJBException;
- import javax.ejb.Timer;
- import javax.ejb.TimerHandle;
- import org.jboss.as.ejb3.timerservice.spi.TimedObjectInvoker;
- import org.jboss.as.server.CurrentServiceContainer;
- import org.jboss.msc.service.ServiceName;
- import static org.jboss.as.ejb3.EjbMessages.MESSAGES;
- /**
- * @author <a href="mailto:cdewolf@redhat.com">Carlo de Wolf</a>
- * @version $Revision: $
- */
- public class TimerHandleImpl implements TimerHandle {
- private static final long serialVersionUID = 1L;
- /**
- * Id of the target {@link TimedObjectInvoker}
- */
- private final String timedObjectId;
- /**
- * The service name of the timer service
- */
- private final String serviceName;
- /**
- * Each {@link TimedObjectInvoker} can have multiple timer instances.
- * This id corresponds to one such <i>instance</i>
- */
- private final String id;
- /**
- * The {@link TimerServiceImpl} to which this timer handle belongs to
- */
- private transient TimerServiceImpl service;
- /**
- * Creates a {@link TimerHandleImpl}
- *
- * @param id The id of the timer instance
- * @param timedObjectId The id of the target {@link TimedObjectInvoker}
- * @param service The timer service to which this timer handle belongs to
- * @throws IllegalArgumentException If either of the passed parameters is null
- */
- public TimerHandleImpl(final String id, final String timedObjectId, final TimerServiceImpl service) throws IllegalArgumentException {
- if (id == null) {
- throw MESSAGES.idIsNull();
- }
- if (timedObjectId == null) {
- throw MESSAGES.timedObjectNull();
- }
- if (service == null) {
- throw MESSAGES.timerServiceIsNull();
- }
- this.timedObjectId = timedObjectId;
- this.id = id;
- this.service = service;
- this.serviceName = service.getServiceName().getCanonicalName();
- }
- /**
- * Returns the {@link javax.ejb.Timer} corresponding to this timer handle
- * <p/>
- * {@inheritDoc}
- */
- public Timer getTimer() throws IllegalStateException, EJBException {
- if (service == null) {
- // get hold of the timer service through the use of timed object id
- service = (TimerServiceImpl) CurrentServiceContainer.getServiceContainer().getRequiredService(ServiceName.parse(serviceName)).getValue();
- if (service == null) {
- throw MESSAGES.timerServiceWithIdNotRegistered(timedObjectId);
- }
- }
- final TimerImpl timer = this.service.getTimer(this);
- if (timer != null && timer.isActive() == false) {
- throw MESSAGES.timerHandleIsNotActive(this);
- }
- return timer;
- }
- public String getId() {
- return this.id;
- }
- public String getTimedObjectId() {
- return this.timedObjectId;
- }
- @Override
- public boolean equals(Object obj) {
- if (obj == null) {
- return false;
- }
- if (obj instanceof TimerHandleImpl == false) {
- return false;
- }
- TimerHandleImpl other = (TimerHandleImpl) obj;
- if (this == other) {
- return true;
- }
- if (this.id.equals(other.id) && this.timedObjectId.equals(other.timedObjectId)) {
- return true;
- }
- return false;
- }
- @Override
- public int hashCode() {
- return this.id.hashCode();
- }
- }