MessageExt (rocketmq-common 3.4.9 3.4.9 API)

java.lang.Object
- com.alibaba.rocketmq.common.message.Message
- - com.alibaba.rocketmq.common.message.MessageExt

所有已实现的接口:

Serializable
```
public class MessageExt
extends Message
```
消息扩展属性，在服务器上产生此对象

从以下版本开始:

2013-7-18

作者:

shijia.wxr

另请参阅:
序列化表格

构造器概要

构造器
构造器和说明
`MessageExt()`
`MessageExt(int queueId, long bornTimestamp, SocketAddress bornHost, long storeTimestamp, SocketAddress storeHost, String msgId)`

方法概要

方法
限定符和类型	方法和说明
`int`	`getBodyCRC()`
`SocketAddress`	`getBornHost()`
`ByteBuffer`	`getBornHostBytes()` 获取bornHost字节形式，8个字节 HOST + PORT
`String`	`getBornHostNameString()`
`String`	`getBornHostString()`
`long`	`getBornTimestamp()`
`long`	`getCommitLogOffset()`
`String`	`getMsgId()`
`long`	`getPreparedTransactionOffset()`
`int`	`getQueueId()`
`long`	`getQueueOffset()`
`int`	`getReconsumeTimes()`
`SocketAddress`	`getStoreHost()`
`ByteBuffer`	`getStoreHostBytes()` 获取storehost字节形式，8个字节 HOST + PORT
`int`	`getStoreSize()`
`long`	`getStoreTimestamp()`
`int`	`getSysFlag()`
`static TopicFilterType`	`parseTopicFilterType(int sysFlag)`
`void`	`setBodyCRC(int bodyCRC)`
`void`	`setBornHost(SocketAddress bornHost)`
`void`	`setBornTimestamp(long bornTimestamp)`
`void`	`setCommitLogOffset(long physicOffset)`
`void`	`setMsgId(String msgId)`
`void`	`setPreparedTransactionOffset(long preparedTransactionOffset)`
`void`	`setQueueId(int queueId)`
`void`	`setQueueOffset(long queueOffset)`
`void`	`setReconsumeTimes(int reconsumeTimes)`
`void`	`setStoreHost(SocketAddress storeHost)`
`void`	`setStoreSize(int storeSize)`
`void`	`setStoreTimestamp(long storeTimestamp)`
`void`	`setSysFlag(int sysFlag)`
`static ByteBuffer`	`SocketAddress2ByteBuffer(SocketAddress socketAddress)` SocketAddress ----> ByteBuffer 转化成8个字节
`String`	`toString()`

从类继承的方法 com.alibaba.rocketmq.common.message.Message
getBody, getBuyerId, getDelayTimeLevel, getFlag, getKeys, getProperties, getProperty, getTags, getTopic, getUserProperty, isWaitStoreMsgOK, putUserProperty, setBody, setBuyerId, setDelayTimeLevel, setFlag, setKeys, setKeys, setTags, setTopic, setWaitStoreMsgOK

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

构造器详细资料

MessageExt
```
public MessageExt()
```

MessageExt

public MessageExt(int queueId,
          long bornTimestamp,
          SocketAddress bornHost,
          long storeTimestamp,
          SocketAddress storeHost,
          String msgId)

方法详细资料

parseTopicFilterType

public static TopicFilterType parseTopicFilterType(int sysFlag)

getBornHostBytes
```
public ByteBuffer getBornHostBytes()
```
获取bornHost字节形式，8个字节 HOST + PORT

SocketAddress2ByteBuffer

public static ByteBuffer SocketAddress2ByteBuffer(SocketAddress socketAddress)

SocketAddress ----> ByteBuffer 转化成8个字节

getStoreHostBytes
```
public ByteBuffer getStoreHostBytes()
```
获取storehost字节形式，8个字节 HOST + PORT

getQueueId
```
public int getQueueId()
```

setQueueId
```
public void setQueueId(int queueId)
```

getBornTimestamp
```
public long getBornTimestamp()
```

setBornTimestamp

public void setBornTimestamp(long bornTimestamp)

getBornHost
```
public SocketAddress getBornHost()
```

setBornHost

public void setBornHost(SocketAddress bornHost)

getBornHostString
```
public String getBornHostString()
```

getBornHostNameString
```
public String getBornHostNameString()
```

getStoreTimestamp
```
public long getStoreTimestamp()
```

setStoreTimestamp

public void setStoreTimestamp(long storeTimestamp)

getStoreHost
```
public SocketAddress getStoreHost()
```

setStoreHost

public void setStoreHost(SocketAddress storeHost)

getMsgId
```
public String getMsgId()
```

setMsgId
```
public void setMsgId(String msgId)
```

getSysFlag
```
public int getSysFlag()
```

setSysFlag
```
public void setSysFlag(int sysFlag)
```

getBodyCRC
```
public int getBodyCRC()
```

setBodyCRC
```
public void setBodyCRC(int bodyCRC)
```

getQueueOffset
```
public long getQueueOffset()
```

setQueueOffset

public void setQueueOffset(long queueOffset)

getCommitLogOffset
```
public long getCommitLogOffset()
```

setCommitLogOffset

public void setCommitLogOffset(long physicOffset)

getStoreSize
```
public int getStoreSize()
```

setStoreSize

public void setStoreSize(int storeSize)

getReconsumeTimes
```
public int getReconsumeTimes()
```

setReconsumeTimes

public void setReconsumeTimes(int reconsumeTimes)

getPreparedTransactionOffset

public long getPreparedTransactionOffset()

setPreparedTransactionOffset

public void setPreparedTransactionOffset(long preparedTransactionOffset)

toString
```
public String toString()
```
覆盖:

toString 在类中 Message

类 MessageExt

构造器概要

方法概要

从类继承的方法 com.alibaba.rocketmq.common.message.Message

从类继承的方法 java.lang.Object

构造器详细资料

MessageExt

MessageExt

方法详细资料

parseTopicFilterType

getBornHostBytes

SocketAddress2ByteBuffer

getStoreHostBytes

getQueueId

setQueueId

getBornTimestamp

setBornTimestamp

getBornHost

setBornHost

getBornHostString

getBornHostNameString

getStoreTimestamp

setStoreTimestamp

getStoreHost

setStoreHost

getMsgId

setMsgId

getSysFlag

setSysFlag

getBodyCRC

setBodyCRC

getQueueOffset

setQueueOffset

getCommitLogOffset

setCommitLogOffset

getStoreSize

setStoreSize

getReconsumeTimes

setReconsumeTimes

getPreparedTransactionOffset

setPreparedTransactionOffset

toString