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JavaEE 1.6 API for Resin Java Application Server
/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package javax.ejb;
import java.io.Serializable;
import java.util.Collection;
import java.util.Date;
/**
* The TimerService interface provides enterprise bean components with access to
* the container-provided Timer Service. The EJB Timer Service allows beans to
* be registered for timer callback events at a specified time, after a
* specified elapsed time, or after a specified interval.
*/
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.
* @throws IllegalArgumentException
* If duration is negative.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method fails due to a system-level failure.
*/
public Timer createTimer(long duration, Serializable info)
throws IllegalArgumentException, IllegalStateException, 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.
* @throws IllegalArgumentException
* If duration is negative.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method fails due to a system-level failure.
*/
public Timer createSingleActionTimer(long duration, TimerConfig timerConfig)
throws IllegalArgumentException, IllegalStateException, 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.
* @throws IllegalArgumentException
* If initialDuration is negative, or intervalDuration is negative.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method could not complete due to a system-level failure.
*/
public Timer createTimer(long initialDuration, long intervalDuration,
Serializable info) throws IllegalArgumentException,
IllegalStateException, 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.
* @throws IllegalArgumentException
* If initialDuration is negative, or intervalDuration is negative.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method could not complete due to a system-level failure.
*/
public Timer createIntervalTimer(long initialDuration, long intervalDuration,
TimerConfig timerConfig) throws IllegalArgumentException,
IllegalStateException, 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.
* @throws IllegalArgumentException
* If expiration is null, or expiration.getTime() is negative.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method could not complete due to a system-level failure.
*/
public Timer createTimer(Date expiration, Serializable info)
throws IllegalArgumentException, IllegalStateException, 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.
* @throws IllegalArgumentException
* If expiration is null, or expiration.getTime() is negative.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method could not complete due to a system-level failure.
*/
public Timer createSingleActionTimer(Date expiration, TimerConfig timerConfig)
throws IllegalArgumentException, IllegalStateException, 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.
* @throws IllegalArgumentException
* If initialExpiration is null, or initialExpiration.getTime() is
* negative, or intervalDuration is negative.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method could not complete due to a system-level failure.
*/
public Timer createTimer(Date initialExpiration, long intervalDuration,
Serializable info) throws IllegalArgumentException,
IllegalStateException, 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.
* @throws IllegalArgumentException
* If initialExpiration is null, or initialExpiration.getTime() is
* negative, or intervalDuration is negative.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method could not complete due to a system-level failure.
*/
public Timer createIntervalTimer(Date initialExpiration,
long intervalDuration, TimerConfig timerConfig)
throws IllegalArgumentException, IllegalStateException, 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.
* @throws IllegalArgumentException
* If Schedule represents an invalid schedule expression.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method could not complete due to a system-level failure.
*/
public Timer createCalendarTimer(ScheduleExpression schedule)
throws IllegalArgumentException,
IllegalStateException, 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.
* @throws IllegalArgumentException
* If Schedule represents an invalid schedule expression.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method could not complete due to a system-level failure.
*/
public Timer createCalendarTimer(ScheduleExpression schedule,
TimerConfig timerConfig)
throws IllegalArgumentException,
IllegalStateException, EJBException;
/**
* Get all the active timers associated with this bean.
*
* @return A collection of javax.ejb.Timer objects.
* @throws IllegalStateException
* If this method is invoked while the instance is in a state that
* does not allow access to this method.
* @throws EJBException
* If this method could not complete due to a system-level failure.
*/
public Collection getTimers() throws IllegalStateException,
EJBException;
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