PartitionMessagingService (Zeebe Broker 1.0.0-rc1 API)

All Known Implementing Classes:

AtomixPartitionMessagingService
```
public interface PartitionMessagingService
```
Abstracts away messaging to other members of a partition - add operations as needed.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`broadcast(String subject, ByteBuffer payload)`	Broadcasts the given payload to all other members of the partition; should log if a member is not subscribed to a given topic, but not fail.
`void`	`subscribe(String subject, Consumer<ByteBuffer> consumer, Executor executor)`	Subscribes to a given subject - if another member of the partition sends a message on this topic, the consumer will be notified with the given payload.
`void`	`unsubscribe(String subject)`	Unsubcribes from the given subject, such that no messages after this call are handled by any previously registered consumer.

- Method Detail
  - subscribe
```
void subscribe(String subject,
               Consumer<ByteBuffer> consumer,
               Executor executor)
```
    Subscribes to a given subject - if another member of the partition sends a message on this topic, the consumer will be notified with the given payload. Each call is considered a new subscription.
    
    Parameters:
    
    subject - the subject to subscribe to
    
    consumer - the consumer which handles the payload
    
    executor - the executor on which the consumer is called
  - broadcast
```
void broadcast(String subject,
               ByteBuffer payload)
```
    Broadcasts the given payload to all other members of the partition; should log if a member is not subscribed to a given topic, but not fail.
    
    Parameters:
    
    subject - the subject on which to broadcast the payload
    
    payload - the payload to send
  - unsubscribe
```
void unsubscribe(String subject)
```
    Unsubcribes from the given subject, such that no messages after this call are handled by any previously registered consumer. If none registered, does nothing.
    
    Parameters:
    
    subject - the subject from which to unsubscribe