com.alipay.sofa.rpc.common.utils

类 ThreadPoolUtils

java.lang.Object

com.alipay.sofa.rpc.common.utils.ThreadPoolUtils

public class ThreadPoolUtils
extends Object

线程池工具类

字段概要

字段

限定符和类型	字段和说明
static int	THREAD_PRIORITY_HIGH 高任务优先级，默认10
static int	THREAD_PRIORITY_LOW 低任务优先级，默认-10
static int	THREAD_PRIORITY_NORMAL 普通任务优先级，默认0

构造器概要

构造器

构造器和说明
ThreadPoolUtils()

方法概要

方法

限定符和类型	方法和说明
static BlockingQueue<Runnable>	buildQueue(int size) 构建队列
static BlockingQueue<Runnable>	buildQueue(int size, boolean isPriority) 构建队列
static ThreadPoolExecutor	newCachedThreadPool(int corePoolSize, int maximumPoolSize) 缓冲线程池（1分钟无调用销毁），无队列
static ThreadPoolExecutor	newCachedThreadPool(int corePoolSize, int maximumPoolSize, BlockingQueue<Runnable> queue) 缓冲线程池（1分钟无调用销毁），自定义队列
static ThreadPoolExecutor	newCachedThreadPool(int corePoolSize, int maximumPoolSize, BlockingQueue<Runnable> queue, ThreadFactory threadFactory) 缓冲线程池（1分钟无调用销毁），自定义队列和线程池工厂
static ThreadPoolExecutor	newCachedThreadPool(int corePoolSize, int maximumPoolSize, BlockingQueue<Runnable> queue, ThreadFactory threadFactory, RejectedExecutionHandler handler) 缓冲线程池（1分钟无调用销毁），自定义队列、线程池工厂和拒绝策略
static ThreadPoolExecutor	newCachedThreadPool(int corePoolSize, int maximumPoolSize, int keepAliveTime, BlockingQueue<Runnable> queue, ThreadFactory threadFactory, RejectedExecutionHandler handler) 缓冲线程池（1分钟无调用销毁），自定义队列、线程池工厂和拒绝策略
static ThreadPoolExecutor	newFixedThreadPool(int corePoolSize) 固定大小线程池，无队列
static ThreadPoolExecutor	newFixedThreadPool(int corePoolSize, BlockingQueue<Runnable> queue) 固定大小线程池，自定义队列
static ThreadPoolExecutor	newFixedThreadPool(int corePoolSize, BlockingQueue<Runnable> queue, ThreadFactory threadFactory) 固定大小线程池，自定义队列和线程池工厂
static ThreadPoolExecutor	newFixedThreadPool(int corePoolSize, BlockingQueue<Runnable> queue, ThreadFactory threadFactory, RejectedExecutionHandler handler) 固定大小线程池，自定义队列、线程池工厂和拒绝策略

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

THREAD_PRIORITY_NORMAL

public static int THREAD_PRIORITY_NORMAL

普通任务优先级，默认0

THREAD_PRIORITY_HIGH

public static int THREAD_PRIORITY_HIGH

高任务优先级，默认10

THREAD_PRIORITY_LOW

public static int THREAD_PRIORITY_LOW

低任务优先级，默认-10

构造器详细资料

ThreadPoolUtils

public ThreadPoolUtils()

方法详细资料

newFixedThreadPool

public static ThreadPoolExecutor newFixedThreadPool(int corePoolSize)

固定大小线程池，无队列

参数:

corePoolSize - 初始化线程池

返回:

the thread pool executor

newFixedThreadPool

public static ThreadPoolExecutor newFixedThreadPool(int corePoolSize,
                                    BlockingQueue<Runnable> queue)

固定大小线程池，自定义队列

参数:

corePoolSize - 初始化线程池

queue - 线程池队列

返回:

the thread pool executor

newFixedThreadPool

public static ThreadPoolExecutor newFixedThreadPool(int corePoolSize,
                                    BlockingQueue<Runnable> queue,
                                    ThreadFactory threadFactory)

固定大小线程池，自定义队列和线程池工厂

参数:

corePoolSize - 初始化线程池

queue - 线程池队列

threadFactory - 线程池工厂

返回:

the thread pool executor

newFixedThreadPool

public static ThreadPoolExecutor newFixedThreadPool(int corePoolSize,
                                    BlockingQueue<Runnable> queue,
                                    ThreadFactory threadFactory,
                                    RejectedExecutionHandler handler)

固定大小线程池，自定义队列、线程池工厂和拒绝策略

参数:

corePoolSize - 初始化线程池

queue - 线程池队列

threadFactory - 线程池工厂

handler - 拒绝策略

返回:

the thread pool executor

newCachedThreadPool

public static ThreadPoolExecutor newCachedThreadPool(int corePoolSize,
                                     int maximumPoolSize)

缓冲线程池（1分钟无调用销毁），无队列

参数:

corePoolSize - 初始化线程池

maximumPoolSize - 最大线程池

返回:

the thread pool executor

newCachedThreadPool

public static ThreadPoolExecutor newCachedThreadPool(int corePoolSize,
                                     int maximumPoolSize,
                                     BlockingQueue<Runnable> queue)

缓冲线程池（1分钟无调用销毁），自定义队列

参数:

corePoolSize - 初始化线程池

maximumPoolSize - 最大线程池

queue - 线程池队列

返回:

the thread pool executor

newCachedThreadPool

public static ThreadPoolExecutor newCachedThreadPool(int corePoolSize,
                                     int maximumPoolSize,
                                     BlockingQueue<Runnable> queue,
                                     ThreadFactory threadFactory)

缓冲线程池（1分钟无调用销毁），自定义队列和线程池工厂

参数:

corePoolSize - 初始化线程池

maximumPoolSize - 最大线程池

queue - 线程池队列

threadFactory - 线程池工厂

返回:

the thread pool executor

newCachedThreadPool

public static ThreadPoolExecutor newCachedThreadPool(int corePoolSize,
                                     int maximumPoolSize,
                                     BlockingQueue<Runnable> queue,
                                     ThreadFactory threadFactory,
                                     RejectedExecutionHandler handler)

缓冲线程池（1分钟无调用销毁），自定义队列、线程池工厂和拒绝策略

参数:

corePoolSize - 初始化线程池

maximumPoolSize - 最大线程池

queue - 线程池队列

threadFactory - 线程池工厂

handler - 拒绝策略

返回:

the thread pool executor

newCachedThreadPool

public static ThreadPoolExecutor newCachedThreadPool(int corePoolSize,
                                     int maximumPoolSize,
                                     int keepAliveTime,
                                     BlockingQueue<Runnable> queue,
                                     ThreadFactory threadFactory,
                                     RejectedExecutionHandler handler)

缓冲线程池（1分钟无调用销毁），自定义队列、线程池工厂和拒绝策略

参数:

corePoolSize - 初始化线程池

maximumPoolSize - 最大线程池

keepAliveTime - 回收时间

queue - 线程池队列

threadFactory - 线程池工厂

handler - 拒绝策略

返回:

the thread pool executor

buildQueue

public static BlockingQueue<Runnable> buildQueue(int size)

构建队列

参数:

size - 队列大小

返回:

队列

buildQueue

public static BlockingQueue<Runnable> buildQueue(int size,
                                 boolean isPriority)

构建队列

参数:

size - 队列大小

isPriority - 是否优先级队列

返回:

队列