org.eclipse.californium.elements.util

Class ExecutorsUtil

java.lang.Object

org.eclipse.californium.elements.util.ExecutorsUtil

public class ExecutorsUtil
extends Object

Utility to create executors. Note: THE INTERNAL/PRIVATE SplitScheduledThreadPoolExecutor IS EXPERIMENTAL! IT'S INTENDED TO BE USED FOR REPRODUCING BENCHMARKS OF ISSUE #690

Field Summary

Fields

Modifier and Type	Field and Description
static ThreadGroup	TIMER_THREAD_GROUP Thread group for timers.

Constructor Summary

Constructors

Constructor and Description
ExecutorsUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static ScheduledThreadPoolExecutor	getScheduledExecutor() Get general scheduled executor.
static ExecutorService	newFixedThreadPool(int poolSize, ThreadFactory threadFactory) Create a fixed thread pool.
static ScheduledExecutorService	newScheduledThreadPool(int poolSize, ThreadFactory threadFactory) Create a scheduled thread pool executor service.
static ScheduledExecutorService	newSingleThreadScheduledExecutor(ThreadFactory threadFactory) Create a single threaded scheduled executor service.

Methods inherited from class java.lang.Object

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

Field Detail

TIMER_THREAD_GROUP

public static final ThreadGroup TIMER_THREAD_GROUP

Thread group for timers.

Constructor Detail

ExecutorsUtil

public ExecutorsUtil()

Method Detail

newScheduledThreadPool

public static ScheduledExecutorService newScheduledThreadPool(int poolSize,
                                              ThreadFactory threadFactory)

Create a scheduled thread pool executor service. Experimentally, if the provided number of threads exceeds the SPLIT_THRESHOLD, the SplitScheduledThreadPoolExecutor is returned.

Parameters:

poolSize - number of threads for thread pool.

threadFactory - thread factory

Returns:

thread pool based scheduled executor service

newFixedThreadPool

public static ExecutorService newFixedThreadPool(int poolSize,
                                 ThreadFactory threadFactory)

Create a fixed thread pool.

Parameters:

poolSize - number of threads for thread pool.

threadFactory - thread factory

Returns:

thread pool based executor service

newSingleThreadScheduledExecutor

public static ScheduledExecutorService newSingleThreadScheduledExecutor(ThreadFactory threadFactory)

Create a single threaded scheduled executor service.

Parameters:

threadFactory - thread factory

Returns:

single threaded scheduled executor service

getScheduledExecutor

public static ScheduledThreadPoolExecutor getScheduledExecutor()

Get general scheduled executor. Intended to be used for rare executing timers (e.g. cleanup tasks).

Returns:

scheduled executor service