io.aeron.cluster

Class ClusterControl

java.lang.Object

io.aeron.cluster.ClusterControl

public class ClusterControl
extends Object

Toggle control ClusterControl.ToggleStates for a cluster node such as ClusterControl.ToggleState.SUSPEND or ClusterControl.ToggleState.RESUME. This can only be applied to the Cluster.Role.LEADER.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ClusterControl.ToggleState Toggle states for controlling the cluster node once it has entered the active state after initialising.

Field Summary

Fields

Modifier and Type	Field and Description
static int	CONTROL_TOGGLE_TYPE_ID Counter type id for the control toggle.

Constructor Summary

Constructors

Constructor and Description
ClusterControl()

Method Summary

Modifier and Type	Method and Description
static AtomicCounter	findControlToggle(CountersReader counters, int clusterId) Find the control toggle counter or return null if not found.
static void	main(String[] args) Main method for launching the process.
static CountersReader	mapCounters(File cncFile) Map a CountersReader over the provided File for the CnC file.

Methods inherited from class java.lang.Object

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

Field Detail

CONTROL_TOGGLE_TYPE_ID

public static final int CONTROL_TOGGLE_TYPE_ID

Counter type id for the control toggle.

See Also:

Constant Field Values

Constructor Detail

ClusterControl

public ClusterControl()

Method Detail

mapCounters

public static CountersReader mapCounters(File cncFile)

Map a CountersReader over the provided File for the CnC file.

Parameters:

cncFile - for the counters.

Returns:

a CountersReader over the provided CnC file.

findControlToggle

public static AtomicCounter findControlToggle(CountersReader counters,
                                              int clusterId)

Find the control toggle counter or return null if not found.

Parameters:

counters - to search within.

clusterId - to which the allocated counter belongs.

Returns:

the control toggle counter or return null if not found.

main

public static void main(String[] args)

Main method for launching the process.

Parameters:

args - passed to the process.