org.elasticsearch.common.util.concurrent
Class TransferThreadPoolExecutor

java.lang.Object
  java.util.concurrent.AbstractExecutorService
      org.elasticsearch.common.util.concurrent.TransferThreadPoolExecutor

All Implemented Interfaces:

java.util.concurrent.Executor, java.util.concurrent.ExecutorService

public class TransferThreadPoolExecutor
extends java.util.concurrent.AbstractExecutorService

A thread pool based on TransferQueue.

Limited compared to ExecutorServer in what it does, but focused on speed.

Method Summary

boolean	awaitTermination(long timeout, java.util.concurrent.TimeUnit unit)
void	execute(java.lang.Runnable command)
int	getActiveCount() Returns the approximate number of threads that are actively executing tasks.
int	getCorePoolSize()
int	getMaximumPoolSize()
int	getPoolSize() Returns the current number of threads in the pool.
int	getQueueSize()
boolean	isShutdown()
boolean	isTerminated()
static TransferThreadPoolExecutor	newBlockingExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, java.util.concurrent.TimeUnit unit, long blockingTime, java.util.concurrent.TimeUnit blockingUnit, int blockingCapacity, java.util.concurrent.ThreadFactory threadFactory)
static TransferThreadPoolExecutor	newScalingExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, java.util.concurrent.TimeUnit unit, java.util.concurrent.ThreadFactory threadFactory)
void	shutdown()
java.util.List<java.lang.Runnable>	shutdownNow()

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, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

newScalingExecutor

public static TransferThreadPoolExecutor newScalingExecutor(int corePoolSize,
                                                            int maximumPoolSize,
                                                            long keepAliveTime,
                                                            java.util.concurrent.TimeUnit unit,
                                                            java.util.concurrent.ThreadFactory threadFactory)

newBlockingExecutor

public static TransferThreadPoolExecutor newBlockingExecutor(int corePoolSize,
                                                             int maximumPoolSize,
                                                             long keepAliveTime,
                                                             java.util.concurrent.TimeUnit unit,
                                                             long blockingTime,
                                                             java.util.concurrent.TimeUnit blockingUnit,
                                                             int blockingCapacity,
                                                             java.util.concurrent.ThreadFactory threadFactory)

execute

public void execute(java.lang.Runnable command)

shutdown

public void shutdown()

shutdownNow

public java.util.List<java.lang.Runnable> shutdownNow()

isShutdown

public boolean isShutdown()

isTerminated

public boolean isTerminated()

awaitTermination

public boolean awaitTermination(long timeout,
                                java.util.concurrent.TimeUnit unit)
                         throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

getPoolSize

public int getPoolSize()

Returns the current number of threads in the pool.

Returns:

the number of threads

getActiveCount

public int getActiveCount()

Returns the approximate number of threads that are actively executing tasks.

Returns:

the number of threads

getCorePoolSize

public int getCorePoolSize()

getMaximumPoolSize

public int getMaximumPoolSize()

getQueueSize

public int getQueueSize()