MessagePayload (Pulsar Client :: API 2.9.4 API)

```
public interface MessagePayload
```
The abstraction of a message's payload.

方法概要

所有方法实例方法抽象方法默认方法
修饰符和类型	方法	说明
`byte[]`	`copiedBuffer()`	Copy the bytes of the payload into the byte array.
`default void`	`release()`	Release the resources if necessary.

- 方法详细资料
  - copiedBuffer
```
byte[] copiedBuffer()
```
    Copy the bytes of the payload into the byte array.
    
    返回:
    
    the byte array that is filled with the readable bytes of the payload, it should not be null
  - release
```
default void release()
```
    Release the resources if necessary. NOTE: For a MessagePayload object that is created from MessagePayloadFactory.DEFAULT, this method must be called to avoid memory leak.