Module org.jgrapht.core

Package org.jgrapht.util

Class ConcurrencyUtil

java.lang.Object

org.jgrapht.util.ConcurrencyUtil

public class ConcurrencyUtil
extends Object

Utility class to manage creation and shutting down instance of the ThreadPoolExecutor.

Constructor Summary

Constructors

Constructor	Description
ConcurrencyUtil()

Method Summary

Modifier and Type	Method	Description
static ThreadPoolExecutor	createThreadPoolExecutor(int parallelism)	Creates a ThreadPoolExecutor with fixed number of threads which is equal to parallelism.
static void	shutdownExecutionService(ExecutorService service)	Shuts down the executor.
static void	shutdownExecutionService(ExecutorService service, long time, TimeUnit timeUnit)	Shuts down the executor.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcurrencyUtil

public ConcurrencyUtil()

Method Detail

createThreadPoolExecutor

public static ThreadPoolExecutor createThreadPoolExecutor(int parallelism)

Creates a ThreadPoolExecutor with fixed number of threads which is equal to parallelism.

Parameters:

parallelism - number of threads for the executor

Returns:

created executor

shutdownExecutionService

public static void shutdownExecutionService(ExecutorService service)
                                     throws InterruptedException

Shuts down the executor. This operation puts the service into a state where every subsequent task submitted to the service will be rejected. This method calls shutdownExecutionService(ExecutorService, long, TimeUnit) with $time = Long.MAX_VALUE$ and $timeUnit = TimeUnit.MILLISECONDS$.

Parameters:

service - service to be shut down

Throws:

InterruptedException

shutdownExecutionService

public static void shutdownExecutionService(ExecutorService service,
                                            long time,
                                            TimeUnit timeUnit)
                                     throws InterruptedException

Shuts down the executor. This operation puts the service into a state where every subsequent task submitted to the service will be rejected.

Parameters:

service - service to be shut down

time - period of time to wait for the completion of the termination

timeUnit - time duration granularity for the provided time

Throws:

InterruptedException