org.apache.camel.util.concurrent
Class RejectableScheduledThreadPoolExecutor
java.lang.Object
java.util.concurrent.AbstractExecutorService
java.util.concurrent.ThreadPoolExecutor
java.util.concurrent.ScheduledThreadPoolExecutor
org.apache.camel.util.concurrent.RejectableScheduledThreadPoolExecutor
- All Implemented Interfaces:
- Executor, ExecutorService, ScheduledExecutorService
public class RejectableScheduledThreadPoolExecutor
- extends ScheduledThreadPoolExecutor
Scheduled thread pool executor that creates RejectableFutureTask
instead of
FutureTask
when registering new tasks for execution.
Instances of RejectableFutureTask
are required to handle ThreadPoolRejectedPolicy.Discard
and ThreadPoolRejectedPolicy.DiscardOldest
policies correctly, e.g. notify
Callable
and Runnable
tasks when they are rejected.
To be notified of rejection tasks have to implement Rejectable
interface:
public class RejectableTask implements Runnable, Rejectable {
@Override
public void run() {
// execute task
}
@Override
public void reject() {
// do something useful on rejection
}
}
If the task does not implement Rejectable
interface the behavior is exactly the same as with
ordinary ScheduledThreadPoolExecutor
.
- See Also:
RejectableFutureTask
,
Rejectable
,
RejectableThreadPoolExecutor
Methods inherited from class java.util.concurrent.ScheduledThreadPoolExecutor |
decorateTask, decorateTask, execute, getContinueExistingPeriodicTasksAfterShutdownPolicy, getExecuteExistingDelayedTasksAfterShutdownPolicy, getQueue, remove, schedule, schedule, scheduleAtFixedRate, scheduleWithFixedDelay, setContinueExistingPeriodicTasksAfterShutdownPolicy, setExecuteExistingDelayedTasksAfterShutdownPolicy, shutdown, shutdownNow, submit, submit, submit |
Methods inherited from class java.util.concurrent.ThreadPoolExecutor |
afterExecute, allowCoreThreadTimeOut, allowsCoreThreadTimeOut, awaitTermination, beforeExecute, finalize, getActiveCount, getCompletedTaskCount, getCorePoolSize, getKeepAliveTime, getLargestPoolSize, getMaximumPoolSize, getPoolSize, getRejectedExecutionHandler, getTaskCount, getThreadFactory, isShutdown, isTerminated, isTerminating, prestartAllCoreThreads, prestartCoreThread, purge, setCorePoolSize, setKeepAliveTime, setMaximumPoolSize, setRejectedExecutionHandler, setThreadFactory, terminated |
RejectableScheduledThreadPoolExecutor
public RejectableScheduledThreadPoolExecutor(int corePoolSize)
RejectableScheduledThreadPoolExecutor
public RejectableScheduledThreadPoolExecutor(int corePoolSize,
ThreadFactory threadFactory)
RejectableScheduledThreadPoolExecutor
public RejectableScheduledThreadPoolExecutor(int corePoolSize,
RejectedExecutionHandler handler)
RejectableScheduledThreadPoolExecutor
public RejectableScheduledThreadPoolExecutor(int corePoolSize,
ThreadFactory threadFactory,
RejectedExecutionHandler handler)
newTaskFor
protected <T> RunnableFuture<T> newTaskFor(Runnable runnable,
T value)
- Overrides:
newTaskFor
in class AbstractExecutorService
newTaskFor
protected <T> RunnableFuture<T> newTaskFor(Callable<T> callable)
- Overrides:
newTaskFor
in class AbstractExecutorService
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