| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
| * |
| * Copyright (c) 2006-2010 Oracle and/or its affiliates. All rights reserved. |
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| * 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. |
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| * |
| * GPL Classpath Exception: |
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| * file that accompanied this code. |
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| * Modifications: |
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| * Version 2] license." If you don't indicate a single choice of license, a |
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| * holder. |
| */ |
| |
| package javax.ejb; |
| |
| import java.io.Serializable; |
| import java.util.Date; |
| |
| /** |
| * |
| * The <code>Timer</code> interface contains information about a timer |
| * that was created through the EJB Timer Service. |
| * |
| * @since EJB 2.1 |
| */ |
| public interface Timer { |
| |
| /** |
| * Cause the timer and all its associated expiration notifications to |
| * be cancelled. |
| * |
| * |
| * @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 timer |
| * that has expired or has been cancelled. |
| * |
| * @exception javax.ejb.EJBException If this method could not complete due |
| * to a system-level failure. |
| */ |
| public void cancel() throws java.lang.IllegalStateException, javax.ejb.NoSuchObjectLocalException, javax.ejb.EJBException; |
| |
| /** |
| * Get the number of milliseconds that will elapse before the next |
| * scheduled timer expiration. |
| * |
| * @return the number of milliseconds that will elapse before the next |
| * scheduled timer expiration. |
| * |
| * @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 timer |
| * that has expired or has been cancelled. |
| * |
| * @exception javax.ejb.NoMoreTimeoutsExceptions Indicates that the |
| * timer has no future timeouts |
| * |
| * @exception javax.ejb.EJBException If this method could not complete due |
| * to a system-level failure. |
| */ |
| public long getTimeRemaining() throws java.lang.IllegalStateException, javax.ejb.NoSuchObjectLocalException, javax.ejb.NoMoreTimeoutsException, javax.ejb.EJBException; |
| |
| /** |
| * Get the point in time at which the next timer expiration is scheduled |
| * to occur. |
| * |
| * @return the point in time at which the next timer expiration is |
| * scheduled to occur. |
| * |
| * @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 timer |
| * that has expired or has been cancelled. |
| * |
| * @exception javax.ejb.NoMoreTimeoutsExceptions Indicates that the |
| * timer has no future timeouts |
| * |
| * @exception javax.ejb.EJBException If this method could not complete due |
| * to a system-level failure. |
| */ |
| public Date getNextTimeout() throws java.lang.IllegalStateException, javax.ejb.NoSuchObjectLocalException, javax.ejb.NoMoreTimeoutsException, javax.ejb.EJBException; |
| |
| /** |
| * Get the schedule expression corresponding to this timer. The timer |
| * must be a calendar-based timer. It may have been created automatically |
| * or programmatically. |
| * |
| * @return schedule expression for the timer. |
| * |
| * @exception java.lang.IllegalStateException If this method is |
| * invoked while the instance is in a state that does not allow access |
| * to this method. Also thrown if invoked on a timer that is not a |
| * calendar-based timer. |
| * |
| * @exception javax.ejb.NoSuchObjectLocalException If invoked on a timer |
| * that has expired or has been cancelled. |
| * |
| * @exception javax.ejb.EJBException If this method could not complete due |
| * to a system-level failure. |
| * |
| * @since EJB 3.1 |
| */ |
| public ScheduleExpression getSchedule() throws java.lang.IllegalStateException, javax.ejb.NoSuchObjectLocalException, javax.ejb.EJBException; |
| |
| /** |
| * Return whether this timer has persistent semantics. |
| * |
| * @return boolean indicating whether the timer is persistent. |
| |
| * @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 timer |
| * that has expired or has been cancelled. |
| * |
| * @exception javax.ejb.EJBException If this method could not complete due |
| * to a system-level failure. |
| * |
| * @since EJB 3.1 |
| */ |
| public boolean isPersistent() throws java.lang.IllegalStateException, javax.ejb.NoSuchObjectLocalException, javax.ejb.EJBException; |
| |
| /** |
| * Return whether this timer is a calendar-based timer. |
| * |
| * @return boolean indicating whether the timer is calendar-based. |
| * |
| * @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 timer |
| * that has expired or has been cancelled. |
| * |
| * @exception javax.ejb.EJBException If this method could not complete due |
| * to a system-level failure. |
| * |
| * @since EJB 3.1 |
| */ |
| public boolean isCalendarTimer() throws java.lang.IllegalStateException, javax.ejb.NoSuchObjectLocalException, javax.ejb.EJBException; |
| |
| |
| /** |
| * Get the information associated with the timer at the time of |
| * creation. This may be the <code>info</code> string that was |
| * passed to the timer creation method or the <code>info</code> |
| * element of the <code>Schedule</code> annotaiton. |
| * |
| * @return The Serializable object that was passed in at timer creation, or |
| * null if the info argument passed in at timer creation was null. |
| * |
| * @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 timer |
| * that has expired or has been cancelled. |
| * |
| * @exception javax.ejb.EJBException If this method could not complete due |
| * to a system-level failure. |
| */ |
| public Serializable getInfo() throws java.lang.IllegalStateException, javax.ejb.NoSuchObjectLocalException, javax.ejb.EJBException; |
| |
| |
| /** |
| * Get a serializable handle to the timer. This handle can |
| * be used at a later time to re-obtain the timer reference. |
| * |
| * @return a serializable handle to the timer. |
| * |
| * @exception java.lang.IllegalStateException If this method is |
| * invoked while the instance is in a state that does not allow access |
| * to this method. Also thrown if invoked on a non-persistent timer. |
| * |
| * @exception javax.ejb.NoSuchObjectLocalException If invoked on a timer |
| * that has expired or has been cancelled. |
| * |
| * @exception javax.ejb.EJBException If this method could not complete due |
| * to a system-level failure. |
| */ |
| public TimerHandle getHandle() throws java.lang.IllegalStateException, javax.ejb.NoSuchObjectLocalException, javax.ejb.EJBException; |
| |
| |
| |
| } |