org.apache.hadoop.hbase

类 JitterScheduledThreadPoolExecutorImpl

java.lang.Object

java.util.concurrent.AbstractExecutorService

java.util.concurrent.ThreadPoolExecutor

java.util.concurrent.ScheduledThreadPoolExecutor

org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl

所有已实现的接口:

Executor, ExecutorService, ScheduledExecutorService

@InterfaceAudience.Private
public class JitterScheduledThreadPoolExecutorImpl
extends ScheduledThreadPoolExecutor

ScheduledThreadPoolExecutor that will add some jitter to the RunnableScheduledFuture.getDelay. This will spread out things on a distributed cluster.

嵌套类概要

嵌套类

限定符和类型	类和说明
protected class	JitterScheduledThreadPoolExecutorImpl.JitteredRunnableScheduledFuture<V> Class that basically just defers to the wrapped future.

从类继承的嵌套类/接口 java.util.concurrent.ThreadPoolExecutor

ThreadPoolExecutor.AbortPolicy, ThreadPoolExecutor.CallerRunsPolicy, ThreadPoolExecutor.DiscardOldestPolicy, ThreadPoolExecutor.DiscardPolicy

构造器概要

构造器

构造器和说明
JitterScheduledThreadPoolExecutorImpl(int corePoolSize, ThreadFactory threadFactory, double spread) Main constructor.

方法概要

方法

限定符和类型	方法和说明
protected <V> RunnableScheduledFuture<V>	decorateTask(Callable<V> callable, RunnableScheduledFuture<V> task)
protected <V> RunnableScheduledFuture<V>	decorateTask(Runnable runnable, RunnableScheduledFuture<V> task)

从类继承的方法 java.util.concurrent.ScheduledThreadPoolExecutor

execute, getContinueExistingPeriodicTasksAfterShutdownPolicy, getExecuteExistingDelayedTasksAfterShutdownPolicy, getQueue, getRemoveOnCancelPolicy, schedule, schedule, scheduleAtFixedRate, scheduleWithFixedDelay, setContinueExistingPeriodicTasksAfterShutdownPolicy, setExecuteExistingDelayedTasksAfterShutdownPolicy, setRemoveOnCancelPolicy, shutdown, shutdownNow, submit, submit, submit

从类继承的方法 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, remove, setCorePoolSize, setKeepAliveTime, setMaximumPoolSize, setRejectedExecutionHandler, setThreadFactory, terminated, toString

从类继承的方法 java.util.concurrent.AbstractExecutorService

invokeAll, invokeAll, invokeAny, invokeAny, newTaskFor, newTaskFor

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.util.concurrent.ExecutorService

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

构造器详细资料

JitterScheduledThreadPoolExecutorImpl

public JitterScheduledThreadPoolExecutorImpl(int corePoolSize,
                                     ThreadFactory threadFactory,
                                     double spread)

Main constructor.

参数:

spread - The percent up and down that RunnableScheduledFuture.getDelay should be jittered.

方法详细资料

decorateTask

protected <V> RunnableScheduledFuture<V> decorateTask(Runnable runnable,
                                          RunnableScheduledFuture<V> task)

覆盖:

decorateTask 在类中 ScheduledThreadPoolExecutor

decorateTask

protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> callable,
                                          RunnableScheduledFuture<V> task)

覆盖:

decorateTask 在类中 ScheduledThreadPoolExecutor