org.apache.gobblin.util.executors

Class ScalingThreadPoolExecutor

java.lang.Object

java.util.concurrent.AbstractExecutorService

java.util.concurrent.ThreadPoolExecutor

org.apache.gobblin.util.executors.ScalingThreadPoolExecutor

All Implemented Interfaces:

Executor, ExecutorService

public class ScalingThreadPoolExecutor
extends ThreadPoolExecutor

ThreadPoolExecutor that scales from a min to a max number of threads as tasks get added.

Nested Class Summary

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

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

Method Summary

Modifier and Type	Method and Description
static ScalingThreadPoolExecutor	newScalingThreadPool(int min, int max, long keepAliveTime) Creates a ScalingThreadPoolExecutor.
static ScalingThreadPoolExecutor	newScalingThreadPool(int min, int max, long keepAliveTime, ThreadFactory threadFactory) Creates a ScalingThreadPoolExecutor.

Methods inherited from class java.util.concurrent.ThreadPoolExecutor

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

Methods inherited from class java.util.concurrent.AbstractExecutorService

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

Methods inherited from class java.lang.Object

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

Method Detail

newScalingThreadPool

public static ScalingThreadPoolExecutor newScalingThreadPool(int min,
                                                             int max,
                                                             long keepAliveTime)

Creates a ScalingThreadPoolExecutor.

Parameters:

min - Core thread pool size.

max - Max number of threads allowed.

keepAliveTime - Keep alive time for unused threads in milliseconds.

Returns:

A ScalingThreadPoolExecutor.

newScalingThreadPool

public static ScalingThreadPoolExecutor newScalingThreadPool(int min,
                                                             int max,
                                                             long keepAliveTime,
                                                             ThreadFactory threadFactory)

Creates a ScalingThreadPoolExecutor.

Parameters:

min - Core thread pool size.

max - Max number of threads allowed.

keepAliveTime - Keep alive time for unused threads in milliseconds.

threadFactory - thread factory to use.

Returns:

A ScalingThreadPoolExecutor.