org.apache.druid.discovery

Class BaseNodeRoleWatcher

java.lang.Object

org.apache.druid.discovery.BaseNodeRoleWatcher

public class BaseNodeRoleWatcher
extends Object

Common code used by various implementations of DruidNodeDiscovery. User code is supposed to arrange for following methods to be called, childAdded(DiscoveryDruidNode) childRemoved(DiscoveryDruidNode) cacheInitialized() resetNodes(Map) Then registerListener(DruidNodeDiscovery.Listener) and getAllNodes() can be delegated to the implementation here.

Constructor Summary

Constructors

Constructor and Description
BaseNodeRoleWatcher(ExecutorService listenerExecutor, NodeRole nodeRole)

Method Summary

Modifier and Type	Method and Description
void	cacheInitialized()
void	childAdded(DiscoveryDruidNode druidNode)
void	childRemoved(DiscoveryDruidNode druidNode)
Collection<DiscoveryDruidNode>	getAllNodes()
void	registerListener(DruidNodeDiscovery.Listener listener)
void	resetNodes(Map<String,DiscoveryDruidNode> fullNodes)

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseNodeRoleWatcher

public BaseNodeRoleWatcher(ExecutorService listenerExecutor,
                           NodeRole nodeRole)

Method Detail

getAllNodes

public Collection<DiscoveryDruidNode> getAllNodes()

registerListener

public void registerListener(DruidNodeDiscovery.Listener listener)

childAdded

public void childAdded(DiscoveryDruidNode druidNode)

childRemoved

public void childRemoved(DiscoveryDruidNode druidNode)

cacheInitialized

public void cacheInitialized()

resetNodes

public void resetNodes(Map<String,DiscoveryDruidNode> fullNodes)