MessageMetadata (Google Cloud Pub/Sub Lite Parent 1.12.14 API)

java.lang.Object
- com.google.cloud.pubsublite.MessageMetadata

```
public abstract class MessageMetadata
extends Object
```
Information about a message in Pub/Sub Lite. Can be encoded in the string returned by the Cloud Pub/Sub Publisher.publish(com.google.pubsub.v1.PubsubMessage) api or the PubsubMessage.getMessageId() field on received messages.

Constructor Summary

Constructors
Constructor Description

MessageMetadata()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`static MessageMetadata`	`decode(String encoded)`	Decode a MessageMetadata from the Cloud Pub/Sub ack id.
`String`	`encode()`	Encode a publish metadata as a Cloud Pub/Sub ack id.
`static MessageMetadata`	`of(Partition partition, Offset offset)`	Construct a MessageMetadata from a Partition and Offset.
`abstract Offset`	`offset()`	The offset a message was assigned.
`abstract Partition`	`partition()`	The partition a message was published to.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MessageMetadata
```
public MessageMetadata()
```
- Method Detail
  - partition
```
public abstract Partition partition()
```
    The partition a message was published to.
  - offset
```
public abstract Offset offset()
```
    The offset a message was assigned.
    If this MessageMetadata was returned for a publish result and publish idempotence was enabled, the offset may be -1 when the message was identified as a duplicate of an already successfully published message, but the server did not have sufficient information to return the message's offset at publish time. Messages received by subscribers will always have the correct offset.
  - of
```
public static MessageMetadata of(Partition partition,
                                 Offset offset)
```
    Construct a MessageMetadata from a Partition and Offset.
  - decode
```
public static MessageMetadata decode(String encoded)
                              throws com.google.api.gax.rpc.ApiException
```
    Decode a MessageMetadata from the Cloud Pub/Sub ack id.
    
    Throws:
    
    com.google.api.gax.rpc.ApiException
  - encode
```
public String encode()
```
    Encode a publish metadata as a Cloud Pub/Sub ack id.