cn.ponfee.scheduler.common.concurrent

类 ThreadPoolExecutors

java.lang.Object

cn.ponfee.scheduler.common.concurrent.ThreadPoolExecutors

public final class ThreadPoolExecutors
extends Object

Thread pool executor utility

作者:

Ponfee

字段概要

字段

限定符和类型	字段和说明
static RejectedExecutionHandler	ABORT abort and throw RejectedExecutionException
static RejectedExecutionHandler	ALWAYS_CALLER_RUNS anyway always run
static RejectedExecutionHandler	CALLER_BLOCKS if not shutdown then put queue until enqueue
static RejectedExecutionHandler	CALLER_RUNS if not shutdown then run
static RejectedExecutionHandler	DISCARD discard the task
static RejectedExecutionHandler	DISCARD_OLDEST if not shutdown then discard oldest and execute the new
static int	MAX_CAP

构造器概要

构造器

构造器和说明
ThreadPoolExecutors()

方法概要

限定符和类型	方法和说明
static ThreadPoolExecutor	create(int corePoolSize, int maximumPoolSize, long keepAliveTimeSeconds)
static ThreadPoolExecutor	create(int corePoolSize, int maximumPoolSize, long keepAliveTimeSeconds, int queueCapacity)
static ThreadPoolExecutor	create(int corePoolSize, int maximumPoolSize, long keepAliveTimeSeconds, int queueCapacity, RejectedExecutionHandler rejectedHandler)
static ThreadPoolExecutor	create(int corePoolSize, int maximumPoolSize, long keepAliveTimeSeconds, int queueCapacity, String threadName)
static ThreadPoolExecutor	create(int corePoolSize, int maximumPoolSize, long keepAliveTimeSeconds, int queueCapacity, String threadName, RejectedExecutionHandler rejectedHandler) Creates a new ThreadPoolExecutor
static boolean	shutdown(ExecutorService executorService) Shutdown the ExecutorService safe
static boolean	shutdown(ExecutorService executorService, int awaitSeconds) Shutdown the executorService max wait time

从类继承的方法 java.lang.Object

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

字段详细资料

MAX_CAP

public static final int MAX_CAP

另请参阅:

常量字段值

ABORT

public static final RejectedExecutionHandler ABORT

abort and throw RejectedExecutionException

DISCARD

public static final RejectedExecutionHandler DISCARD

discard the task

CALLER_RUNS

public static final RejectedExecutionHandler CALLER_RUNS

if not shutdown then run

DISCARD_OLDEST

public static final RejectedExecutionHandler DISCARD_OLDEST

if not shutdown then discard oldest and execute the new

CALLER_BLOCKS

public static final RejectedExecutionHandler CALLER_BLOCKS

if not shutdown then put queue until enqueue

ALWAYS_CALLER_RUNS

public static final RejectedExecutionHandler ALWAYS_CALLER_RUNS

anyway always run

构造器详细资料

ThreadPoolExecutors

public ThreadPoolExecutors()

方法详细资料

create

public static ThreadPoolExecutor create(int corePoolSize,
                                        int maximumPoolSize,
                                        long keepAliveTimeSeconds)

create

public static ThreadPoolExecutor create(int corePoolSize,
                                        int maximumPoolSize,
                                        long keepAliveTimeSeconds,
                                        int queueCapacity)

create

public static ThreadPoolExecutor create(int corePoolSize,
                                        int maximumPoolSize,
                                        long keepAliveTimeSeconds,
                                        int queueCapacity,
                                        RejectedExecutionHandler rejectedHandler)

create

public static ThreadPoolExecutor create(int corePoolSize,
                                        int maximumPoolSize,
                                        long keepAliveTimeSeconds,
                                        int queueCapacity,
                                        String threadName)

create

public static ThreadPoolExecutor create(int corePoolSize,
                                        int maximumPoolSize,
                                        long keepAliveTimeSeconds,
                                        int queueCapacity,
                                        String threadName,
                                        RejectedExecutionHandler rejectedHandler)

Creates a new ThreadPoolExecutor

参数:

corePoolSize - 核心线程数

maximumPoolSize - 最大线程数

keepAliveTimeSeconds - 线程存活时间(秒)

queueCapacity - 队列长度

threadName - 线程名称

rejectedHandler - 拒绝策略

返回:

ThreadPoolExecutor instance

shutdown

public static boolean shutdown(ExecutorService executorService)

Shutdown the ExecutorService safe

参数:

executorService - the executorService

返回:

is safe shutdown

shutdown

public static boolean shutdown(ExecutorService executorService,
                               int awaitSeconds)

Shutdown the executorService max wait time

参数:

executorService - the executorService

awaitSeconds - await time seconds

返回:

true if safe terminate