Package org.apache.druid.curator

Class DruidConnectionStateListener

java.lang.Object

org.apache.druid.java.util.metrics.AbstractMonitor

org.apache.druid.curator.DruidConnectionStateListener

All Implemented Interfaces:

org.apache.curator.framework.state.ConnectionStateListener, Monitor

public class DruidConnectionStateListener
extends AbstractMonitor
implements org.apache.curator.framework.state.ConnectionStateListener

Curator ConnectionStateListener that uses a ServiceEmitter to send alerts on ZK connection loss, and emit metrics about ZK connection status.

Constructor Summary

Constructors

Constructor	Description
DruidConnectionStateListener(ServiceEmitter emitter)

Method Summary

Modifier and Type	Method	Description
boolean	doMonitor(ServiceEmitter emitter)
boolean	isConnected()
void	stateChanged(org.apache.curator.framework.CuratorFramework curatorFramework, org.apache.curator.framework.state.ConnectionState newState)

Methods inherited from class org.apache.druid.java.util.metrics.AbstractMonitor

isStarted, monitor, start, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.curator.framework.state.ConnectionStateListener

doNotProxy

Constructor Details

DruidConnectionStateListener

public DruidConnectionStateListener(ServiceEmitter emitter)

Method Details

stateChanged

public void stateChanged(org.apache.curator.framework.CuratorFramework curatorFramework,
 org.apache.curator.framework.state.ConnectionState newState)

Specified by:

stateChanged in interface org.apache.curator.framework.state.ConnectionStateListener

isConnected

public boolean isConnected()

doMonitor

public boolean doMonitor(ServiceEmitter emitter)

Specified by:

doMonitor in class AbstractMonitor