org.graylog2.periodical

Class ClusterHealthCheckThread

java.lang.Object

org.graylog2.plugin.periodical.Periodical

org.graylog2.periodical.ClusterHealthCheckThread

All Implemented Interfaces:

Runnable

public class ClusterHealthCheckThread
extends Periodical

Author:

Dennis Oelkers

Constructor Summary

Constructors

Constructor and Description
ClusterHealthCheckThread(NotificationService notificationService, InputRegistry inputRegistry, NodeId nodeId)

Method Summary

Modifier and Type	Method and Description
void	doRun()
int	getInitialDelaySeconds()
protected org.slf4j.Logger	getLogger()
protected Notification	getNotification()
int	getPeriodSeconds()
boolean	isDaemon() Should this periodical be run as a daemon thread?
boolean	masterOnly() Only start this thread on master nodes?
boolean	runsForever() Defines if this thread should be called periodically or only once on startup.
boolean	startOnThisNode() Start on this node? Useful to decide if to start the periodical based on local configuration.
boolean	stopOnGracefulShutdown() Should this thread be stopped when a graceful shutdown is in progress? This means that stop() is called and that is no longer triggered periodically.

Methods inherited from class org.graylog2.plugin.periodical.Periodical

getParallelism, initialize, run

Methods inherited from class java.lang.Object

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

Constructor Detail

ClusterHealthCheckThread

@Inject
public ClusterHealthCheckThread(NotificationService notificationService,
                                        InputRegistry inputRegistry,
                                        NodeId nodeId)

Method Detail

doRun

public void doRun()

Specified by:

doRun in class Periodical

getLogger

protected org.slf4j.Logger getLogger()

Specified by:

getLogger in class Periodical

getNotification

protected Notification getNotification()
                                throws NodeNotFoundException

Throws:

NodeNotFoundException

runsForever

public boolean runsForever()

Description copied from class: Periodical

Defines if this thread should be called periodically or only once on startup.

Specified by:

runsForever in class Periodical

Returns:

isDaemon

public boolean isDaemon()

Description copied from class: Periodical

Should this periodical be run as a daemon thread?

Specified by:

isDaemon in class Periodical

Returns:

stopOnGracefulShutdown

public boolean stopOnGracefulShutdown()

Description copied from class: Periodical

Should this thread be stopped when a graceful shutdown is in progress? This means that stop() is called and that is no longer triggered periodically.

Specified by:

stopOnGracefulShutdown in class Periodical

Returns:

masterOnly

public boolean masterOnly()

Description copied from class: Periodical

Only start this thread on master nodes?

Specified by:

masterOnly in class Periodical

Returns:

startOnThisNode

public boolean startOnThisNode()

Description copied from class: Periodical

Start on this node? Useful to decide if to start the periodical based on local configuration.

Specified by:

startOnThisNode in class Periodical

Returns:

getInitialDelaySeconds

public int getInitialDelaySeconds()

Specified by:

getInitialDelaySeconds in class Periodical

Returns:

Seconds to wait before starting the thread. 0 for runsForever() threads.

getPeriodSeconds

public int getPeriodSeconds()

Specified by:

getPeriodSeconds in class Periodical

Returns:

How long to wait between each execution of the thread. 0 for runsForever() threads.