ClusterService (Nuxeo 2021.64.6 API Documentation)

All Known Implementing Classes:

ClusterServiceImpl
```
public interface ClusterService
```
Cluster Service, defining cluster node state and identity.

Since:

11.1

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getNodeId()`	Returns the node id.
`boolean`	`isEnabled()`	Checks if cluster mode is enabled.
`void`	`runAtomically(String key, Duration duration, Duration pollDelay, Runnable runnable)`	Runs a `Runnable` atomically in a cluster-wide critical section, outside a transaction.

- Method Detail
  - isEnabled
```
boolean isEnabled()
```
    Checks if cluster mode is enabled.
    
    Returns:
    
    true if cluster mode is enabled, false if not
  - getNodeId
```
@NotNull
String getNodeId()
```
    Returns the node id. This is never null.
    
    Returns:
    
    the node id
  - runAtomically
```
void runAtomically(String key,
                   Duration duration,
                   Duration pollDelay,
                   Runnable runnable)
```
    Runs a Runnable atomically in a cluster-wide critical section, outside a transaction.
    
    Parameters:
    
    key - the key used to determine atomicity
    
    duration - the duration during which we attempt to acquire the lock
    
    pollDelay - the delay between two subsequent polls of the lock
    
    runnable - the runnable
    
    Throws:
    
    RuntimeServiceException - if locking failed