| /* |
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| * Copyright (c) 2006-2010 Oracle and/or its affiliates. All rights reserved. |
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| * and Distribution License("CDDL") (collectively, the "License"). You |
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| * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html |
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| */ |
| |
| package javax.ejb; |
| |
| import java.io.Serializable; |
| import java.util.Date; |
| import java.util.Collection; |
| |
| /** |
| * The TimerService interface provides enterprise bean components with |
| * access to the container-provided Timer Service. The EJB Timer |
| * Service allows stateless session beans, singleton session beans, |
| * message-driven beans, and EJB 2.x entity beans to be registered for |
| * timer callback events at a specified time, after a specified |
| * elapsed time, after a specified interval, or according to a |
| * calendar-based schedule. |
| * |
| * @since EJB 2.1 |
| */ |
| public interface TimerService { |
| |
| /** |
| * Create a single-action timer that expires after a specified duration. |
| * |
| * @param duration the number of milliseconds that must elapse before |
| * the timer expires. |
| * |
| * @param info application information to be delivered along |
| * with the timer expiration notification. This can be null. |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If duration is negative |
| * |
| * @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.EJBException If this method fails due to a |
| * system-level failure. |
| * |
| */ |
| public Timer createTimer(long duration, Serializable info) throws |
| java.lang.IllegalArgumentException, java.lang.IllegalStateException, |
| javax.ejb.EJBException; |
| |
| /** |
| * Create a single-action timer that expires after a specified duration. |
| * |
| * @param duration the number of milliseconds that must elapse before |
| * the timer expires. |
| * |
| * @param timerConfig timer configuration. |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If duration is negative |
| * |
| * @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.EJBException If this method fails due to a |
| * system-level failure. |
| * |
| * @since EJB 3.1 |
| */ |
| public Timer createSingleActionTimer(long duration, TimerConfig timerConfig) throws |
| java.lang.IllegalArgumentException, java.lang.IllegalStateException, |
| javax.ejb.EJBException; |
| |
| /** |
| * Create an interval timer whose first expiration occurs after a specified |
| * duration, and whose subsequent expirations occur after a specified |
| * interval. |
| * |
| * @param initialDuration The number of milliseconds that must elapse |
| * before the first timer expiration notification. |
| * |
| * @param intervalDuration The number of milliseconds that must elapse |
| * between timer expiration notifications. Expiration notifications are |
| * scheduled relative to the time of the first expiration. If expiration |
| * is delayed (e.g. due to the interleaving of other method calls on the |
| * bean), two or more expiration notifications may occur in close |
| * succession to "catch up". |
| * |
| * @param info application information to be delivered along |
| * with the timer expiration. This can be null. |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If initialDuration is |
| * negative or intervalDuration is negative. |
| * |
| * @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.EJBException If this method could not complete |
| * due to a system-level failure. |
| * |
| */ |
| public Timer createTimer(long initialDuration, long intervalDuration, |
| Serializable info) throws |
| java.lang.IllegalArgumentException, java.lang.IllegalStateException, |
| javax.ejb.EJBException; |
| |
| /** |
| * Create an interval timer whose first expiration occurs after a specified |
| * duration, and whose subsequent expirations occur after a specified |
| * interval. |
| * |
| * @param initialDuration The number of milliseconds that must elapse |
| * before the first timer expiration notification. |
| * |
| * @param intervalDuration The number of milliseconds that must elapse |
| * between timer expiration notifications. Expiration notifications are |
| * scheduled relative to the time of the first expiration. If expiration |
| * is delayed (e.g. due to the interleaving of other method calls on the |
| * bean), two or more expiration notifications may occur in close |
| * succession to "catch up". |
| * |
| * @param timerConfig timer configuration |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If initialDuration is |
| * negative or intervalDuration is negative. |
| * |
| * @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.EJBException If this method could not complete |
| * due to a system-level failure. |
| * |
| * @since EJB 3.1 |
| */ |
| public Timer createIntervalTimer(long initialDuration, long intervalDuration, |
| TimerConfig timerConfig) throws |
| java.lang.IllegalArgumentException, java.lang.IllegalStateException, |
| javax.ejb.EJBException; |
| |
| |
| /** |
| * Create a single-action timer that expires at a given point in time. |
| * |
| * @param expiration The point in time at which the timer must expire. |
| * |
| * @param info application information to be delivered along |
| * with the timer expiration notification. This can be null. |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If expiration is null or |
| * expiration.getTime() is negative. |
| * |
| * @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.EJBException If this method could not complete |
| * due to a system-level failure. |
| * |
| */ |
| public Timer createTimer(Date expiration, Serializable info) throws |
| java.lang.IllegalArgumentException, java.lang.IllegalStateException, |
| javax.ejb.EJBException; |
| |
| /** |
| * Create a single-action timer that expires at a given point in time. |
| * |
| * @param expiration the point in time at which the timer must expire. |
| * |
| * @param timerConfig timer configuration. |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If expiration is null or |
| * expiration.getTime() is negative. |
| * |
| * @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.EJBException If this method could not complete |
| * due to a system-level failure. |
| * |
| * @since EJB 3.1 |
| */ |
| public Timer createSingleActionTimer(Date expiration, TimerConfig timerConfig) throws |
| java.lang.IllegalArgumentException, java.lang.IllegalStateException, |
| javax.ejb.EJBException; |
| |
| |
| |
| /** |
| * Create an interval timer whose first expiration occurs at a given |
| * point in time and whose subsequent expirations occur after a specified |
| * interval. |
| * |
| * @param initialExpiration the point in time at which the first timer |
| * expiration must occur. |
| * |
| * @param intervalDuration the number of milliseconds that must elapse |
| * between timer expiration notifications. Expiration notifications are |
| * scheduled relative to the time of the first expiration. If expiration |
| * is delayed (e.g. due to the interleaving of other method calls on the |
| * bean), two or more expiration notifications may occur in close |
| * succession to "catch up". |
| * |
| * @param info application information to be delivered along |
| * with the timer expiration. This can be null. |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If |
| * initialExpiration is null, if initialExpiration.getTime() is |
| * negative, or if intervalDuration is negative. |
| * |
| * @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.EJBException If this method could not complete |
| * due to a system-level failure. |
| * |
| */ |
| public Timer createTimer(Date initialExpiration, long intervalDuration, |
| Serializable info) throws |
| java.lang.IllegalArgumentException, java.lang.IllegalStateException, |
| javax.ejb.EJBException; |
| |
| /** |
| * Create an interval timer whose first expiration occurs at a given |
| * point in time and whose subsequent expirations occur after a specified |
| * interval. |
| * |
| * @param initialExpiration the point in time at which the first timer |
| * expiration must occur. |
| * |
| * @param intervalDuration the number of milliseconds that must elapse |
| * between timer expiration notifications. Expiration notifications are |
| * scheduled relative to the time of the first expiration. If expiration |
| * is delayed (e.g. due to the interleaving of other method calls on the |
| * bean), two or more expiration notifications may occur in close |
| * succession to "catch up". |
| * |
| * @param timerConfig timer configuration. |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If |
| * initialExpiration is null, if initialExpiration.getTime() is |
| * negative, or if intervalDuration is negative. |
| * |
| * @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.EJBException If this method could not complete |
| * due to a system-level failure. |
| * |
| * @since EJB 3.1 |
| */ |
| public Timer createIntervalTimer(Date initialExpiration, long intervalDuration, |
| TimerConfig timerConfig) throws |
| java.lang.IllegalArgumentException, java.lang.IllegalStateException, |
| javax.ejb.EJBException; |
| |
| /** |
| * Create a calendar-based timer based on the input schedule expression. |
| * |
| * @param schedule a schedule expression describing the timeouts |
| * for this timer. |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If Schedule represents an |
| * invalid schedule expression. |
| * |
| * @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.EJBException If this method could not complete |
| * due to a system-level failure. |
| * |
| * @since EJB 3.1 |
| */ |
| public Timer createCalendarTimer(ScheduleExpression schedule) |
| throws java.lang.IllegalArgumentException, |
| java.lang.IllegalStateException, javax.ejb.EJBException; |
| |
| /** |
| * Create a calendar-based timer based on the input schedule expression. |
| * |
| * @param schedule a schedule expression describing the timeouts for this timer. |
| * |
| * @param timerConfig timer configuration. |
| * |
| * @return the newly created Timer. |
| * |
| * @exception java.lang.IllegalArgumentException If Schedule represents an |
| * invalid schedule expression. |
| * |
| * @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.EJBException If this method could not complete |
| * due to a system-level failure. |
| * |
| * @since EJB 3.1 |
| */ |
| public Timer createCalendarTimer(ScheduleExpression schedule, TimerConfig timerConfig) |
| throws java.lang.IllegalArgumentException, |
| java.lang.IllegalStateException, javax.ejb.EJBException; |
| |
| /** |
| * Get all the active timers associated with this bean. |
| * |
| * @return a collection of <code>javax.ejb.Timer</code> objects. |
| * |
| * @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.EJBException If this method could not complete |
| * due to a system-level failure. |
| * |
| */ |
| public Collection<Timer> getTimers() throws java.lang.IllegalStateException, |
| javax.ejb.EJBException; |
| |
| |
| |
| } |