SimpAttributesContextHolder (Spring Framework 4.3.30.RELEASE API)

java.lang.Object
- org.springframework.messaging.simp.SimpAttributesContextHolder

```
public abstract class SimpAttributesContextHolder
extends Object
```
Holder class to expose SiMP attributes associated with a session (e.g. WebSocket) in the form of a thread-bound SimpAttributes object.
从以下版本开始:
4.1
作者:
Rossen Stoyanchev

构造器概要
构造器
构造器说明
SimpAttributesContextHolder()

方法概要

所有方法静态方法具体方法
修饰符和类型	方法	说明
`static SimpAttributes`	`currentAttributes()`	Return the SimpAttributes currently bound to the thread or raise an `IllegalStateException` if none are bound..
`static SimpAttributes`	`getAttributes()`	Return the SimpAttributes currently bound to the thread.
`static void`	`resetAttributes()`	Reset the SimpAttributes for the current thread.
`static void`	`setAttributes(SimpAttributes attributes)`	Bind the given SimpAttributes to the current thread,
`static void`	`setAttributesFromMessage(Message<?> message)`	Extract the SiMP session attributes from the given message, wrap them in a `SimpAttributes` instance and bind it to the current thread,

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - SimpAttributesContextHolder
```
public SimpAttributesContextHolder()
```
- 方法详细资料
  - resetAttributes
```
public static void resetAttributes()
```
    Reset the SimpAttributes for the current thread.
  - setAttributes
```
public static void setAttributes(SimpAttributes attributes)
```
    Bind the given SimpAttributes to the current thread,
    参数:
    attributes - the RequestAttributes to expose
  - setAttributesFromMessage
```
public static void setAttributesFromMessage(Message<?> message)
```
    Extract the SiMP session attributes from the given message, wrap them in a SimpAttributes instance and bind it to the current thread,
    参数:
    message - the message to extract session attributes from
  - getAttributes
```
public static SimpAttributes getAttributes()
```
    Return the SimpAttributes currently bound to the thread.
    返回:
    the attributes or null if not bound
  - currentAttributes
```
public static SimpAttributes currentAttributes()
                                        throws IllegalStateException
```
    Return the SimpAttributes currently bound to the thread or raise an IllegalStateException if none are bound..
    返回:
    the attributes, never null
    抛出:
    IllegalStateException - if attributes are not bound