Package cn.xuanyuanli.core.util

Class Concurrents

java.lang.Object

cn.xuanyuanli.core.util.Concurrents

public class Concurrents
extends Object

并发工具类

Author:

John Li

Field Summary

Fields

Modifier and Type	Field	Description
private static final ConcurrentMap<String,Object>	FUTURE_CACHE	未来缓存
protected static final org.slf4j.Logger	logger	日志记录器

Constructor Summary

Constructors

Constructor	Description
Concurrents()

Method Summary

Modifier and Type	Method	Description
static void	await(Supplier<Boolean> supplier, int intervalTime)	等待某个任务执行完毕
static void	await(Supplier<Boolean> supplier, int intervalTime, int maxRetryTime)	等待某个任务执行完毕
static ThreadPoolExecutor	createThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, int workQueueNum, String threadPrefixName)	创建一个通用的线程池
static <T> T	execOfTimeout(Supplier<T> execBody, long timeout, Consumer<Exception> timeoutExceptionCall)	带超时设置的执行
static <T> T	executeTask(String key, Supplier<?> supplier)	多线程下执行相同任务，用此方法防止同一任务重复执行

Methods inherited from class java.lang.Object

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

Field Details

logger

protected static final org.slf4j.Logger logger

日志记录器

FUTURE_CACHE

private static final ConcurrentMap<String,Object> FUTURE_CACHE

未来缓存

Constructor Details

Concurrents

public Concurrents()

Method Details

execOfTimeout

public static <T> T execOfTimeout(Supplier<T> execBody,
 long timeout,
 Consumer<Exception> timeoutExceptionCall)

带超时设置的执行

Type Parameters:

T - 泛型

Parameters:

execBody - 执行主体

timeout - 超时时间,单位为毫秒

timeoutExceptionCall - 超时异常的回调

Returns:

Concurrents

createThreadPoolExecutor

public static ThreadPoolExecutor createThreadPoolExecutor(int corePoolSize,
 int maximumPoolSize,
 long keepAliveTime,
 TimeUnit unit,
 int workQueueNum,
 String threadPrefixName)

创建一个通用的线程池

Parameters:

corePoolSize - 核心池大小

maximumPoolSize - 最大池大小

keepAliveTime - 维持时间

unit - 货币

workQueueNum - 全国矿工工会工作队列

threadPrefixName - 线程前缀名字

Returns:

ThreadPoolExecutor

await

public static void await(Supplier<Boolean> supplier,
 int intervalTime)

等待某个任务执行完毕

Parameters:

supplier - 任务是否完成，完成为true

intervalTime - 任务结果获取的间隔时间

await

public static void await(Supplier<Boolean> supplier,
 int intervalTime,
 int maxRetryTime)

等待某个任务执行完毕

Parameters:

supplier - 任务是否完成，完成为true

intervalTime - 任务结果获取的间隔时间

maxRetryTime - 最大重试时间

executeTask

public static <T> T executeTask(String key,
 Supplier<?> supplier)

多线程下执行相同任务，用此方法防止同一任务重复执行

Type Parameters:

T - 泛型

Parameters:

key - 键

supplier - 供应商

Returns:

Concurrents