Package org.apache.solr.cluster.events.impl

Class DefaultClusterEventProducer

java.lang.Object

org.apache.solr.cluster.events.ClusterEventProducerBase

org.apache.solr.cluster.events.impl.DefaultClusterEventProducer

All Implemented Interfaces:

Closeable, AutoCloseable, ClusterSingleton, ClusterEventProducer

public class DefaultClusterEventProducer
extends ClusterEventProducerBase

Implementation of ClusterEventProducer.

Implementation notes

For each cluster event relevant listeners are always invoked sequentially (not in parallel) and in arbitrary order. This means that if any listener blocks the processing other listeners may be invoked much later or not at all.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.solr.cloud.ClusterSingleton

ClusterSingleton.State

Field Summary

Fields inherited from class org.apache.solr.cluster.events.ClusterEventProducerBase

cc, listeners, state

Fields inherited from interface org.apache.solr.cluster.events.ClusterEventProducer

PLUGIN_NAME

Constructor Summary

Constructors

Constructor	Description
DefaultClusterEventProducer(CoreContainer cc)

Method Summary

Modifier and Type	Method	Description
void	close()
Set<ClusterEvent.EventType>	getSupportedEventTypes()
void	start()	Start the operation of the component.
void	stop()	Stop the operation of the component.

Methods inherited from class org.apache.solr.cluster.events.ClusterEventProducerBase

fireEvent, getState, registerListener, unregisterListener

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.solr.cluster.events.ClusterEventProducer

getName, unregisterListener

Constructor Details

DefaultClusterEventProducer

public DefaultClusterEventProducer(CoreContainer cc)

Method Details

start

public void start()

Description copied from interface: ClusterSingleton

Start the operation of the component. Initially this method should set the state to STARTING, and on success it should set the state to RUNNING.

getSupportedEventTypes

public Set<ClusterEvent.EventType> getSupportedEventTypes()

Specified by:

getSupportedEventTypes in class ClusterEventProducerBase

stop

public void stop()

Description copied from interface: ClusterSingleton

Stop the operation of the component. Initially this method should set the state to STOPPING, and on return it should set the state to STOPPED. Components should also avoid holding any resource when in STOPPED state.

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class ClusterEventProducerBase

Throws:

IOException