org.apache.cassandra.db.compaction

Class CompactionManager.ValidationExecutor

java.lang.Object

java.util.concurrent.AbstractExecutorService

java.util.concurrent.ThreadPoolExecutor

org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor

org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutor

org.apache.cassandra.db.compaction.CompactionManager.ValidationExecutor

All Implemented Interfaces:

java.util.concurrent.Executor, java.util.concurrent.ExecutorService, JMXEnabledThreadPoolExecutorMBean, LocalAwareExecutorService

Enclosing class:

CompactionManager

public static class CompactionManager.ValidationExecutor
extends JMXEnabledThreadPoolExecutor

Nested Class Summary

Nested classes/interfaces inherited from class java.util.concurrent.ThreadPoolExecutor

java.util.concurrent.ThreadPoolExecutor.AbortPolicy, java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy, java.util.concurrent.ThreadPoolExecutor.DiscardOldestPolicy, java.util.concurrent.ThreadPoolExecutor.DiscardPolicy

Field Summary

Fields inherited from class org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutor

metrics

Fields inherited from class org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor

blockingExecutionHandler, logger

Constructor Summary

Constructors

Constructor and Description
ValidationExecutor()

Method Summary

Modifier and Type	Method and Description
void	afterExecute(java.lang.Runnable r, java.lang.Throwable t)
protected void	beforeExecute(java.lang.Thread t, java.lang.Runnable r)
<T> com.google.common.util.concurrent.ListenableFuture<T>	submitIfRunning(java.util.concurrent.Callable<T> task, java.lang.String name) Submit the task but only if the executor has not been shutdown.If the executor has been shutdown, or in case of a rejected execution exception return a cancelled future.
com.google.common.util.concurrent.ListenableFuture<?>	submitIfRunning(java.lang.Runnable task, java.lang.String name)

Methods inherited from class org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutor

getCoreThreads, getCurrentlyBlockedTasks, getMaximumThreads, getTotalBlockedTasks, onFinalAccept, onFinalRejection, onInitialRejection, setCoreThreads, setMaximumThreads, shutdown, shutdownNow

Methods inherited from class org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor

createCachedThreadpoolWithMaxSize, createWithFixedPoolSize, createWithMaximumPoolSize, execute, execute, extractThrowable, getActiveTaskCount, getPendingTaskCount, handleOrLog, logExceptionsAfterExecute, maybeExecuteImmediately, maybeResetTraceSessionWrapper, newTaskFor, newTaskFor

Methods inherited from class java.util.concurrent.ThreadPoolExecutor

allowCoreThreadTimeOut, allowsCoreThreadTimeOut, awaitTermination, finalize, getActiveCount, getCompletedTaskCount, getCorePoolSize, getKeepAliveTime, getLargestPoolSize, getMaximumPoolSize, getPoolSize, getQueue, getRejectedExecutionHandler, getTaskCount, getThreadFactory, isShutdown, isTerminated, isTerminating, prestartAllCoreThreads, prestartCoreThread, purge, remove, setCorePoolSize, setKeepAliveTime, setMaximumPoolSize, setRejectedExecutionHandler, setThreadFactory, terminated, toString

Methods inherited from class java.util.concurrent.AbstractExecutorService

invokeAll, invokeAll, invokeAny, invokeAny, submit, submit, submit

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.cassandra.concurrent.LocalAwareExecutorService

getCompletedTaskCount, getMaximumPoolSize, getMaxTasksQueued

Methods inherited from interface java.util.concurrent.ExecutorService

awaitTermination, invokeAll, invokeAll, invokeAny, invokeAny, isShutdown, isTerminated, submit, submit, submit

Constructor Detail

ValidationExecutor

public ValidationExecutor()

Method Detail

beforeExecute

protected void beforeExecute(java.lang.Thread t,
                             java.lang.Runnable r)

Overrides:

beforeExecute in class DebuggableThreadPoolExecutor

afterExecute

public void afterExecute(java.lang.Runnable r,
                         java.lang.Throwable t)

Overrides:

afterExecute in class DebuggableThreadPoolExecutor

submitIfRunning

public com.google.common.util.concurrent.ListenableFuture<?> submitIfRunning(java.lang.Runnable task,
                                                                             java.lang.String name)

submitIfRunning

public <T> com.google.common.util.concurrent.ListenableFuture<T> submitIfRunning(java.util.concurrent.Callable<T> task,
                                                                                 java.lang.String name)

Submit the task but only if the executor has not been shutdown.If the executor has been shutdown, or in case of a rejected execution exception return a cancelled future.

Parameters:

task - - the task to submit

name - - the task name to use in log messages

Returns:

the future that will deliver the task result, or a future that has already been cancelled if the task could not be submitted.