de.aristaflow.adept2.util.threading.executor

Class LimitedPipelineExecutor<O>

java.lang.Object

java.util.concurrent.AbstractExecutorService

java.util.concurrent.ThreadPoolExecutor

de.aristaflow.adept2.util.threading.AFThreadPoolExecutor

de.aristaflow.adept2.util.threading.CachedThreadPoolExecutor

de.aristaflow.adept2.util.threading.executor.AbstractObjectSpecificExecutor<O,P,java.util.Queue<java.lang.Runnable>>

de.aristaflow.adept2.util.threading.executor.AbstractPipeliningExecutor<O,java.lang.Integer>

de.aristaflow.adept2.util.threading.executor.LimitedPipelineExecutor<O>

Type Parameters:

O - The type of object for which work is registered and which identifies a pipeline.

All Implemented Interfaces:

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

public class LimitedPipelineExecutor<O>
extends AbstractPipeliningExecutor<O,java.lang.Integer>

A pipeline executor that has an upper limit for the amount of pipelines. Several different objects will be executed by the same pipeline.

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

Modifier and Type	Field and Description
protected int	limit The maximum amount of pipelines.

Fields inherited from class de.aristaflow.adept2.util.threading.executor.AbstractObjectSpecificExecutor

abortCount, flushPending, logger, objects, shutdownPending

Fields inherited from class de.aristaflow.adept2.util.threading.CachedThreadPoolExecutor

fullSize, realCoreSize, realMaxSize, workSize

Fields inherited from class de.aristaflow.adept2.util.threading.AFThreadPoolExecutor

activeThreads, completedTasks, submittedTasks

Constructor Summary

Constructors

Constructor and Description
LimitedPipelineExecutor(int limit, Adept2ThreadFactory threadFactory) Creates a new thread pool executor with the designated amount of pipelines and threads.

Method Summary

Modifier and Type	Method and Description
protected java.lang.Integer	getIndexObjectFor(O object) Gets the object used for managing and executing runnables within this executor.

Methods inherited from class de.aristaflow.adept2.util.threading.executor.AbstractPipeliningExecutor

addRunnable, cancelAndFlush, clearAbortedPendingWork, executeShutdown, getOutstandingRunnables

Methods inherited from class de.aristaflow.adept2.util.threading.executor.AbstractObjectSpecificExecutor

execute, flushAndExecute, flushAndExecuteUnchecked, isShutdown, restart, restartPendingWork, shutdown, shutdownNow, shutdownRunnableRun, submit, submit, submitAndFlush

Methods inherited from class de.aristaflow.adept2.util.threading.CachedThreadPoolExecutor

afterExecute, execute

Methods inherited from class de.aristaflow.adept2.util.threading.AFThreadPoolExecutor

beforeExecute, newTaskFor, newTaskFor, setLogExecuteCallStack, updateQueueLimit

Methods inherited from class java.util.concurrent.ThreadPoolExecutor

allowCoreThreadTimeOut, allowsCoreThreadTimeOut, awaitTermination, finalize, getActiveCount, getCompletedTaskCount, getCorePoolSize, getKeepAliveTime, getLargestPoolSize, getMaximumPoolSize, getPoolSize, getQueue, getRejectedExecutionHandler, getTaskCount, getThreadFactory, 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

Field Detail

limit

protected final int limit

The maximum amount of pipelines.

Constructor Detail

LimitedPipelineExecutor

public LimitedPipelineExecutor(int limit,
                               Adept2ThreadFactory threadFactory)

Creates a new thread pool executor with the designated amount of pipelines and threads. The threads will stay idle for 60 seconds before they terminate.

Parameters:

limit - The maximum number of threads allowed in the pool and also the maximum number of pipelines.

threadFactory - The factory to use when the executor creates a new thread.

Method Detail

getIndexObjectFor

protected java.lang.Integer getIndexObjectFor(O object)

Gets the object used for managing and executing runnables within this executor. Returns the hashcode of the designated object modulo the limit.

Specified by:

getIndexObjectFor in class AbstractObjectSpecificExecutor<O,java.lang.Integer,java.util.Queue<java.lang.Runnable>>

Parameters:

object - The object for which a runnable is registered.

Returns:

The object used for managing and executing runnables (registered for the designated object) within this executor.