cn.sinozg.applet.common.handler

类 ThreadPoolExecutorHandler

java.lang.Object

java.util.concurrent.AbstractExecutorService

java.util.concurrent.ThreadPoolExecutor

cn.sinozg.applet.common.handler.ThreadPoolExecutorHandler

所有已实现的接口:

Executor, ExecutorService

public class ThreadPoolExecutorHandler
extends ThreadPoolExecutor

重写线程池 打印当前的线程信息

嵌套类概要

从类继承的嵌套类/接口 java.util.concurrent.ThreadPoolExecutor

ThreadPoolExecutor.AbortPolicy, ThreadPoolExecutor.CallerRunsPolicy, ThreadPoolExecutor.DiscardOldestPolicy, ThreadPoolExecutor.DiscardPolicy

字段概要

字段

限定符和类型	字段和说明
private static long	KEEP_ALIVE_TIME 线程池维护线程所允许的空闲时间
private static org.slf4j.Logger	log
private String	poolName 线程池名称
private static int	QUEUE_CAPACITY 队列最大长度

构造器概要

构造器

构造器和说明
ThreadPoolExecutorHandler(int corePoolSize, int maximumPoolSize, long keepAliveTime, @NotNull TimeUnit unit, @NotNull BlockingQueue<Runnable> workQueue, String poolName, RejectedExecutionHandler handler) 初始化线程池
ThreadPoolExecutorHandler(String poolName) 初始化线程池 核心数默认为 cpu+1 对列数为 8192 拒绝策略为抛出异常
ThreadPoolExecutorHandler(String poolName, RejectedExecutionHandler handler) 初始化线程池 核心数默认为 cpu+1 对列数为 8192

方法概要

限定符和类型	方法和说明
protected void	beforeExecute(Thread t, Runnable r) 打印线程池运行状态

从类继承的方法 java.util.concurrent.ThreadPoolExecutor

afterExecute, allowCoreThreadTimeOut, allowsCoreThreadTimeOut, awaitTermination, execute, finalize, getActiveCount, getCompletedTaskCount, getCorePoolSize, getKeepAliveTime, getLargestPoolSize, getMaximumPoolSize, getPoolSize, getQueue, getRejectedExecutionHandler, getTaskCount, getThreadFactory, isShutdown, isTerminated, isTerminating, prestartAllCoreThreads, prestartCoreThread, purge, remove, setCorePoolSize, setKeepAliveTime, setMaximumPoolSize, setRejectedExecutionHandler, setThreadFactory, shutdown, shutdownNow, terminated, toString

从类继承的方法 java.util.concurrent.AbstractExecutorService

invokeAll, invokeAll, invokeAny, invokeAny, newTaskFor, newTaskFor, submit, submit, submit

从类继承的方法 java.lang.Object

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

字段详细资料

poolName

private final String poolName

线程池名称

KEEP_ALIVE_TIME

private static final long KEEP_ALIVE_TIME

线程池维护线程所允许的空闲时间

另请参阅:

常量字段值

QUEUE_CAPACITY

private static final int QUEUE_CAPACITY

队列最大长度

另请参阅:

常量字段值

log

private static final org.slf4j.Logger log

构造器详细资料

ThreadPoolExecutorHandler

public ThreadPoolExecutorHandler(String poolName)

初始化线程池 核心数默认为 cpu+1 对列数为 8192 拒绝策略为抛出异常

参数:

poolName - 线程名称

ThreadPoolExecutorHandler

public ThreadPoolExecutorHandler(String poolName,
                                 RejectedExecutionHandler handler)

初始化线程池 核心数默认为 cpu+1 对列数为 8192

参数:

poolName - 线程名称

handler - 拒绝策略

ThreadPoolExecutorHandler

public ThreadPoolExecutorHandler(int corePoolSize,
                                 int maximumPoolSize,
                                 long keepAliveTime,
                                 @NotNull
                                 @NotNull TimeUnit unit,
                                 @NotNull
                                 @NotNull BlockingQueue<Runnable> workQueue,
                                 String poolName,
                                 RejectedExecutionHandler handler)

初始化线程池

参数:

corePoolSize - 核心数

maximumPoolSize - 最大核心数

keepAliveTime - 空闲时间

unit - 空闲时间单位

workQueue - 对列

poolName - 线程名称

handler - 拒绝策略

方法详细资料

beforeExecute

protected void beforeExecute(Thread t,
                             Runnable r)

打印线程池运行状态

覆盖:

beforeExecute 在类中 ThreadPoolExecutor

参数:

t - the thread that will run task r

r - the task that will be executed