RpcContext (brpc-java 2.5.9 API)

```
public class RpcContext
extends Object
```
runtime information which are not in Request/Response. it should be reset when begin new rpc. the requestBinaryAttachment should be released at server. the responseBinaryAttachment should be released at client.

构造器
构造器和说明
`RpcContext()`

所有方法静态方法实例方法具体方法
限定符和类型	方法和说明
`static RpcContext`	`getContext()`
`String`	`getRemoteHost()`
`static boolean`	`isSet()`
`static void`	`removeContext()`
`void`	`reset()`
`void`	`setRequestBinaryAttachment(byte[] bytes)`
`void`	`setRequestBinaryAttachment(io.netty.buffer.ByteBuf byteBuf)`
`void`	`setRequestKvAttachment(Map<String,Object> attachment)`
`void`	`setRequestKvAttachment(String key, Object value)`
`void`	`setResponseKvAttachment(Map<String,Object> attachment)`
`void`	`setResponseKvAttachment(String key, Object value)`

public void setRequestBinaryAttachment(io.netty.buffer.ByteBuf byteBuf)

public void setRequestBinaryAttachment(byte[] bytes)

public void setRequestKvAttachment(String key,
                                   Object value)

public void setRequestKvAttachment(Map<String,Object> attachment)

public void setResponseKvAttachment(String key,
                                    Object value)

public void setResponseKvAttachment(Map<String,Object> attachment)

类 RpcContext