ClusterService (Apache Unomi :: Root Project 2.2.0-SNAPSHOT API)

All Known Implementing Classes:

ClusterServiceImpl
```
public interface ClusterService
```
A service to access information about the context server's cluster.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`List<ClusterNode>`	`getClusterNodes()`	Retrieves the list of available nodes for this context server instance.
`void`	`purge(String scope)`	Removes all data associated with the provided scope.
`void`	`purge(Date date)`	Removes all data before the specified date from the context server.
`void`	`sendEvent(Serializable event)`	This function will send an event to the nodes of the cluster The function takes a Serializable to avoid dependency on any clustering framework

- Method Detail
  - getClusterNodes
```
List<ClusterNode> getClusterNodes()
```
    Retrieves the list of available nodes for this context server instance.
    
    Returns:
    
    a list of ClusterNode
  - purge
```
void purge(Date date)
```
    Removes all data before the specified date from the context server.
    
    Parameters:
    
    date - the Date before which all data needs to be removed
  - purge
```
void purge(String scope)
```
    Removes all data associated with the provided scope.
    
    Parameters:
    
    scope - the scope for which we want to remove data
  - sendEvent
```
void sendEvent(Serializable event)
```
    This function will send an event to the nodes of the cluster The function takes a Serializable to avoid dependency on any clustering framework
    
    Parameters:
    
    event - this object will be cast to a org.apache.karaf.cellar.core.event.Event object