icu.easyj.core.context

Class ContextUtils

java.lang.Object

icu.easyj.core.context.ContextUtils

public abstract class ContextUtils
extends Object

上下文工具类

Author:

wangliang181230

Constructor Summary

Constructors

Constructor and Description
ContextUtils()

Method Summary

Modifier and Type	Method and Description
static void	clear() 清空上下文
static boolean	containsKey(String key) 是否含有键
static <V> V	get(String key) 获取值
static <V> V	put(String key, V value) 设置值
static <V> V	remove(String key) 移除值
static boolean	remove(String key, Object value) 移除值，如果与value相等的话

Methods inherited from class java.lang.Object

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

Constructor Detail

ContextUtils

public ContextUtils()

Method Detail

put

public static <V> V put(String key,
                        V value)

设置值

Type Parameters:

V - 上下文数据类型

Parameters:

key - 键

value - 值

Returns:

previousValue 返回以前的值 或 null

get

public static <V> V get(String key)

获取值

Type Parameters:

V - 值类型

Parameters:

key - 键

Returns:

value 值

remove

public static <V> V remove(String key)

移除值

Type Parameters:

V - 值类型

Parameters:

key - 键

Returns:

removedValue 返回被移除的值 或 null

remove

public static boolean remove(String key,
                             Object value)

移除值，如果与value相等的话

Parameters:

key - 键

value - 目标值

Returns:

true=原有值与目标值相等 | false=原有值与目标值不相等

containsKey

public static boolean containsKey(String key)

是否含有键

Parameters:

key - 键

Returns:

true=包含 | false=不包含

clear

public static void clear()

清空上下文