plugins/javax.ejb/src/javax/ejb/TimerHandle.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package javax.ejb;

import java.io.Serializable;

/**
 *
 * The TimerHandle interface allows the bean provider to obtain a
 * serializable timer handle that may be persisted. 
 * <p>
 * Since timers are local objects, a timer handle must not be passed through 
 * a bean's remote business interface, remote interface or web service interface.
 *
 * @since EJB 2.1
 */
public interface TimerHandle extends Serializable {

    /**
     * Obtain a reference to the timer represented by this handle.
     *
     * @return a reference to the timer represented by this handle.
     *
     * @exception java.lang.IllegalStateException If this method is
     * invoked while the instance is in a state that does not allow access 
     * to this method.
     * 
     * @exception javax.ejb.NoSuchObjectLocalException If invoked on a
     * handle whose associated timer has expired or has been cancelled.
     * 
     * @exception javax.ejb.EJBException If this method could not complete due
     * to a system-level failure.
     */
    public Timer getTimer() throws java.lang.IllegalStateException, 
        javax.ejb.NoSuchObjectLocalException, javax.ejb.EJBException;

}