PartitionManager (Fahrschein 0.20.0 API)

All Known Implementing Classes:

SimplePartitionManager
```
public interface PartitionManager
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Optional<Lock>`	`lockPartitions(String eventName, List<Partition> partitions, String lockedBy)`	Locks partitions for one event.
`void`	`unlockPartitions(Lock lock)`	Unlocks previously locked partitions.

- Method Detail
  - lockPartitions
```
Optional<Lock> lockPartitions(String eventName,
                              List<Partition> partitions,
                              String lockedBy)
```
    Locks partitions for one event. When running consumers on multiple nodes they should try to lock partitions so that events are only processed by one consumer.
    
    Parameters:
    
    eventName - Name of the event
    
    partitions - The partitions to lock
    
    lockedBy - Name of one node of the consuming application
    
    Returns:
    
    A Lock instance containing the list of locked partitions if locking succeeded, Optional.empty() otherwise
  - unlockPartitions
```
void unlockPartitions(Lock lock)
```
    Unlocks previously locked partitions.
    
    Parameters:
    
    lock - The lock object returned from lockPartitions(String, List, String)