LeaderElectionDriver (Flink : Runtime 2.0.0 API)

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

ZooKeeperLeaderElectionDriver
```
public interface LeaderElectionDriver
extends AutoCloseable
```
A leader election driver that allows to write LeaderInformation for multiple components.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface LeaderElectionDriver.Listener
Listener interface for state changes of the LeaderElectionDriver.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`deleteLeaderInformation(String componentId)`	Deletes the leader information for the given component.
`boolean`	`hasLeadership()`	Returns whether the driver has currently leadership.
`void`	`publishLeaderInformation(String componentId, LeaderInformation leaderInformation)`	Publishes the leader information for the given component.

Methods inherited from interface java.lang.AutoCloseable
close

- Method Detail
  - hasLeadership
```
boolean hasLeadership()
```
    Returns whether the driver has currently leadership.
    
    Returns:
    
    true if the driver has leadership, otherwise false
  - publishLeaderInformation
```
void publishLeaderInformation(String componentId,
                              LeaderInformation leaderInformation)
```
    Publishes the leader information for the given component.
    
    Parameters:
    
    componentId - identifying the component for which to publish the leader information
    
    leaderInformation - leader information of the respective component
  - deleteLeaderInformation
```
void deleteLeaderInformation(String componentId)
```
    Deletes the leader information for the given component.
    
    Parameters:
    
    componentId - identifying the component for which to delete the leader information