akka.remote

Class DefaultFailureDetectorRegistry<A>

java.lang.Object

akka.remote.DefaultFailureDetectorRegistry<A>

All Implemented Interfaces:

FailureDetectorRegistry<A>

public class DefaultFailureDetectorRegistry<A>
extends java.lang.Object
implements FailureDetectorRegistry<A>

A lock-less thread-safe implementation of FailureDetectorRegistry.

param: detectorFactory By-name parameter that returns the failure detector instance to be used by a newly registered resource

Constructor Summary

Constructors

Constructor and Description
DefaultFailureDetectorRegistry(scala.Function0<FailureDetector> detectorFactory)

Method Summary

Modifier and Type	Method and Description
scala.Option<FailureDetector>	failureDetector(A resource) INTERNAL API Get the underlying FailureDetector for a resource.
void	heartbeat(A resource) Records a heartbeat for a resource.
boolean	isAvailable(A resource) Returns true if the resource is considered to be up and healthy and returns false otherwise.
boolean	isMonitoring(A resource) Returns true if the failure detector has received any heartbeats and started monitoring of the resource.
void	remove(A resource) Removes the heartbeat management for a resource.
void	reset() Removes all resources and any associated failure detector state.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultFailureDetectorRegistry

public DefaultFailureDetectorRegistry(scala.Function0<FailureDetector> detectorFactory)

Method Detail

isAvailable

public final boolean isAvailable(A resource)

Description copied from interface: FailureDetectorRegistry

Returns true if the resource is considered to be up and healthy and returns false otherwise. For unregistered resources it returns true.

Specified by:

isAvailable in interface FailureDetectorRegistry<A>

Parameters:

resource - (undocumented)

Returns:

(undocumented)

isMonitoring

public final boolean isMonitoring(A resource)

Description copied from interface: FailureDetectorRegistry

Returns true if the failure detector has received any heartbeats and started monitoring of the resource.

Specified by:

isMonitoring in interface FailureDetectorRegistry<A>

Parameters:

resource - (undocumented)

Returns:

(undocumented)

heartbeat

public final void heartbeat(A resource)

Description copied from interface: FailureDetectorRegistry

Records a heartbeat for a resource. If the resource is not yet registered (i.e. this is the first heartbeat) then it is automatially registered.

Specified by:

heartbeat in interface FailureDetectorRegistry<A>

Parameters:

resource - (undocumented)

remove

public final void remove(A resource)

Description copied from interface: FailureDetectorRegistry

Removes the heartbeat management for a resource.

Specified by:

remove in interface FailureDetectorRegistry<A>

Parameters:

resource - (undocumented)

reset

public final void reset()

Description copied from interface: FailureDetectorRegistry

Removes all resources and any associated failure detector state.

Specified by:

reset in interface FailureDetectorRegistry<A>

failureDetector

public scala.Option<FailureDetector> failureDetector(A resource)

INTERNAL API Get the underlying FailureDetector for a resource.

Parameters:

resource - (undocumented)

Returns:

(undocumented)