use of com.sun.ejb.containers.RuntimeTimerState in project Payara by payara.
the class PersistentEJBTimerService method getNextTimeout.
@Override
protected Date getNextTimeout(TimerPrimaryKey timerId) throws FinderException {
// Check non-persistent timers first
RuntimeTimerState rt = getNonPersistentTimer(timerId);
if (rt != null) {
return _getNextTimeout(rt);
}
// It's a persistent timer
// @@@ We can't assume this server instance owns the persistent timer
// so always ask the database. Investigate possible use of
// timer cache for optimization.
TimerState timer = getPersistentTimer(timerId);
Date initialExpiration = timer.getInitialExpiration();
long intervalDuration = timer.getIntervalDuration();
EJBTimerSchedule ts = timer.getTimerSchedule();
Date nextTimeout = null;
if (ts != null) {
nextTimeout = getNextScheduledTimeout(ts);
// The caller is responsible to return 0 or -1 for the time remaining....
} else if (intervalDuration > 0) {
nextTimeout = calcNextFixedRateExpiration(initialExpiration, intervalDuration);
} else {
nextTimeout = initialExpiration;
}
return nextTimeout;
}
use of com.sun.ejb.containers.RuntimeTimerState in project Payara by payara.
the class HazelcastTimerStore method _restoreTimers.
/**
* The portion of timer restoration that deals with registering the JDK
* timer tasks and checking for missed expirations.
*
* @return the Set of restored timers
*/
private Set<HZTimer> _restoreTimers(Set<HZTimer> timersEligibleForRestoration) {
// Do timer restoration in two passes. The first pass updates
// the timer cache with each timer. The second pass schedules
// the JDK timer tasks.
Map timersToRestore = new HashMap();
Set<TimerPrimaryKey> timerIdsToRemove = new HashSet<>();
Set<HZTimer> result = new HashSet<HZTimer>();
for (HZTimer timer : timersEligibleForRestoration) {
TimerPrimaryKey timerId = timer.getKey();
if (getTimerState(timerId) != null) {
// Already restored. Add it to the result but do nothing else.
logger.log(Level.FINE, "@@@ Timer already restored: " + timer);
result.add(timer);
continue;
}
long containerId = timer.getContainerId();
// Timer might refer to an obsolete container.
BaseContainer container = getContainer(containerId);
if (container != null) {
// Update applicationId if it is null (from previous version)
long appid = timer.getApplicationId();
if (appid == 0) {
timer.setApplicationId(container.getApplicationId());
}
// End update
Date initialExpiration = timer.getInitialExpiration();
// Create an instance of RuntimeTimerState.
// Only access timedObjectPrimaryKey if timed object is
// an entity bean. That allows us to lazily load the underlying
// blob for stateless session and message-driven bean timers.
Object timedObjectPrimaryKey = null;
if (container.getContainerType() == BaseContainer.ContainerType.ENTITY) {
timedObjectPrimaryKey = timer.getTimedObjectPk();
}
RuntimeTimerState timerState = new RuntimeTimerState(timerId, initialExpiration, timer.getIntervalDuration(), container, timedObjectPrimaryKey, timer.getSchedule(), // Don't need to store the info ref for persistent timer
null, true);
timerCache_.addTimer(timerId, timerState);
// If a single-action timer is still in the database it never
// successfully delivered, so always reschedule a timer task
// for it. For periodic timers, we use the last known
// expiration time to decide whether we need to fire one
// ejbTimeout to make up for any missed ones.
Date expirationTime = initialExpiration;
Date now = new Date();
if (timerState.isPeriodic()) {
// lastExpiration time, or null if we either aren't
// tracking last expiration or an expiration hasn't
// occurred yet for this timer.
Date lastExpiration = timer.getLastExpiration();
EJBTimerSchedule ts = timer.getSchedule();
// timer expirations.
if ((lastExpiration == null) && now.after(initialExpiration)) {
if (!timerState.isExpired()) {
// This timer didn't even expire one time.
logger.log(Level.INFO, "Rescheduling missed expiration for " + "periodic timer " + timerState + ". Timer expirations should " + " have been delivered starting at " + initialExpiration);
}
// keep expiration time at initialExpiration. That
// will force an ejbTimeout almost immediately. After
// that the timer will return to fixed rate expiration.
} else if ((lastExpiration != null) && ((ts != null && ts.getNextTimeout(lastExpiration).getTimeInMillis() < now.getTime()) || ((ts == null) && now.getTime() - lastExpiration.getTime() > timer.getIntervalDuration()))) {
// Schedule-based timer is periodic
logger.log(Level.INFO, "Rescheduling missed expiration for " + "periodic timer " + timerState + ". Last timer expiration " + "occurred at " + lastExpiration);
// Timer expired at least once and at least one
// missed expiration has occurred.
// keep expiration time at initialExpiration. That
// will force an ejbTimeout almost immediately. After
// that the timer will return to fixed rate expiration.
} else {
// In this case, at least one expiration has occurred
// but that was less than one period ago so there were
// no missed expirations.
expirationTime = calcNextFixedRateExpiration(timerState);
}
} else // single-action timer
if (now.after(initialExpiration)) {
logger.log(Level.INFO, "Rescheduling missed expiration for " + "single-action timer " + timerState + ". Timer expiration should " + " have been delivered at " + initialExpiration);
}
if (expirationTime == null) {
// Schedule-based timer will never expire again - remove it.
logger.log(Level.INFO, "Removing schedule-based timer " + timerState + " that will never expire again");
timerIdsToRemove.add(timerId);
} else {
timersToRestore.put(timerState, expirationTime);
result.add(timer);
}
} else {
// Timed object's container no longer exists - remember its id.
logger.log(Level.FINE, "Skipping timer " + timerId + " for container that is not up: " + containerId);
}
}
if (timerIdsToRemove.size() > 0) {
removeTimers(timerIdsToRemove);
}
for (Iterator entries = timersToRestore.entrySet().iterator(); entries.hasNext(); ) {
Map.Entry next = (Map.Entry) entries.next();
RuntimeTimerState nextTimer = (RuntimeTimerState) next.getKey();
TimerPrimaryKey timerId = nextTimer.getTimerId();
Date expiration = (Date) next.getValue();
scheduleTask(timerId, expiration);
logger.log(Level.FINE, "EJBTimerService.restoreTimers(), scheduling timer " + nextTimer);
}
logger.log(Level.FINE, "DONE EJBTimerService.restoreTimers()");
return result;
}
use of com.sun.ejb.containers.RuntimeTimerState in project Payara by payara.
the class HazelcastTimerStore method _restoreTimers.
/**
* The portion of timer restoration that deals with registering the JDK
* timer tasks and checking for missed expirations.
*
* @return the Set of restored timers
*/
private Collection<HZTimer> _restoreTimers(Collection<HZTimer> timersEligibleForRestoration) {
// Do timer restoration in two passes. The first pass updates
// the timer cache with each timer. The second pass schedules
// the JDK timer tasks.
Map timersToRestore = new HashMap();
Set<TimerPrimaryKey> timerIdsToRemove = new HashSet<>();
Set<HZTimer> result = new HashSet<HZTimer>();
for (HZTimer timer : timersEligibleForRestoration) {
TimerPrimaryKey timerId = timer.getKey();
if (getTimerState(timerId) != null) {
// Already restored. Add it to the result but do nothing else.
logger.log(Level.FINE, "@@@ Timer already restored: " + timer);
result.add(timer);
continue;
}
long containerId = timer.getContainerId();
// Timer might refer to an obsolete container.
BaseContainer container = getContainer(containerId);
if (container != null) {
// Update applicationId if it is null (from previous version)
long appid = timer.getApplicationId();
if (appid == 0) {
timer.setApplicationId(container.getApplicationId());
}
// End update
Date initialExpiration = timer.getInitialExpiration();
// Create an instance of RuntimeTimerState.
// Only access timedObjectPrimaryKey if timed object is
// an entity bean. That allows us to lazily load the underlying
// blob for stateless session and message-driven bean timers.
Object timedObjectPrimaryKey = null;
if (container.getContainerType() == BaseContainer.ContainerType.ENTITY) {
timedObjectPrimaryKey = timer.getTimedObjectPk();
}
RuntimeTimerState timerState = new RuntimeTimerState(timerId, initialExpiration, timer.getIntervalDuration(), container, timedObjectPrimaryKey, timer.getSchedule(), // Don't need to store the info ref for persistent timer
null, true);
timerCache_.addTimer(timerId, timerState);
// If a single-action timer is still in the database it never
// successfully delivered, so always reschedule a timer task
// for it. For periodic timers, we use the last known
// expiration time to decide whether we need to fire one
// ejbTimeout to make up for any missed ones.
Date expirationTime = initialExpiration;
Date now = new Date();
if (timerState.isPeriodic()) {
// lastExpiration time, or null if we either aren't
// tracking last expiration or an expiration hasn't
// occurred yet for this timer.
Date lastExpiration = timer.getLastExpiration();
EJBTimerSchedule ts = timer.getSchedule();
// timer expirations.
if ((lastExpiration == null) && now.after(initialExpiration)) {
if (!timerState.isExpired()) {
// This timer didn't even expire one time.
logger.log(Level.INFO, "Rescheduling missed expiration for " + "periodic timer " + timerState + ". Timer expirations should " + " have been delivered starting at " + initialExpiration);
}
// keep expiration time at initialExpiration. That
// will force an ejbTimeout almost immediately. After
// that the timer will return to fixed rate expiration.
} else if ((lastExpiration != null) && ((ts != null && ts.getNextTimeout(lastExpiration).getTimeInMillis() < now.getTime()) || ((ts == null) && now.getTime() - lastExpiration.getTime() > timer.getIntervalDuration()))) {
// Schedule-based timer is periodic
logger.log(Level.INFO, "Rescheduling missed expiration for " + "periodic timer " + timerState + ". Last timer expiration " + "occurred at " + lastExpiration);
// Timer expired at least once and at least one
// missed expiration has occurred.
// keep expiration time at initialExpiration. That
// will force an ejbTimeout almost immediately. After
// that the timer will return to fixed rate expiration.
} else {
// In this case, at least one expiration has occurred
// but that was less than one period ago so there were
// no missed expirations.
expirationTime = calcNextFixedRateExpiration(timerState);
}
} else // single-action timer
if (now.after(initialExpiration)) {
logger.log(Level.INFO, "Rescheduling missed expiration for " + "single-action timer " + timerState + ". Timer expiration should " + " have been delivered at " + initialExpiration);
}
if (expirationTime == null) {
// Schedule-based timer will never expire again - remove it.
logger.log(Level.INFO, "Removing schedule-based timer " + timerState + " that will never expire again");
timerIdsToRemove.add(timerId);
} else {
timersToRestore.put(timerState, expirationTime);
result.add(timer);
}
} else {
// Timed object's container no longer exists - remember its id.
logger.log(Level.FINE, "Skipping timer " + timerId + " for container that is not up: " + containerId);
}
}
if (timerIdsToRemove.size() > 0) {
for (HZTimer hZTimer : result) {
}
removeTimers(timerIdsToRemove);
}
for (Iterator entries = timersToRestore.entrySet().iterator(); entries.hasNext(); ) {
Map.Entry next = (Map.Entry) entries.next();
RuntimeTimerState nextTimer = (RuntimeTimerState) next.getKey();
TimerPrimaryKey timerId = nextTimer.getTimerId();
Date expiration = (Date) next.getValue();
scheduleTask(timerId, expiration);
logger.log(Level.FINE, "EJBTimerService.restoreTimers(), scheduling timer " + nextTimer);
}
logger.log(Level.FINE, "DONE EJBTimerService.restoreTimers()");
return result;
}
use of com.sun.ejb.containers.RuntimeTimerState in project Payara by payara.
the class HazelcastTimerStore method getNextTimeout.
@Override
protected Date getNextTimeout(TimerPrimaryKey timerId) throws FinderException {
// Check non-persistent timers first
RuntimeTimerState rt = getNonPersistentTimer(timerId);
if (rt != null) {
return _getNextTimeout(rt);
}
// It's a persistent timer
HZTimer timer = getPersistentTimer(timerId);
Date initialExpiration = timer.getInitialExpiration();
long intervalDuration = timer.getIntervalDuration();
EJBTimerSchedule ts = timer.getSchedule();
Date nextTimeout = null;
if (ts != null) {
nextTimeout = getNextScheduledTimeout(ts);
// The caller is responsible to return 0 or -1 for the time remaining....
} else if (intervalDuration > 0) {
nextTimeout = calcNextFixedRateExpiration(initialExpiration, intervalDuration);
} else {
nextTimeout = initialExpiration;
}
return nextTimeout;
}
use of com.sun.ejb.containers.RuntimeTimerState in project Payara by payara.
the class PersistentEJBTimerService method resetLastExpiration.
/**
* Update database for a persistent timer
*/
@Override
protected void resetLastExpiration(TimerPrimaryKey timerId, RuntimeTimerState timerState) {
if (timerState.isPersistent()) {
TimerState timer = getValidTimerFromDB(timerId);
if (null == timer) {
return;
}
Date now = new Date();
timer.setLastExpiration(now);
// @@@ add configuration for update-db-on-delivery
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "Setting last expiration " + " for periodic timer " + timerState + " to " + now);
}
}
}
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