org.apache.flink.runtime.heartbeat

Class HeartbeatServicesImpl

java.lang.Object

org.apache.flink.runtime.heartbeat.HeartbeatServicesImpl

All Implemented Interfaces:

HeartbeatServices

public final class HeartbeatServicesImpl
extends Object
implements HeartbeatServices

A default HeartbeatServices implementation.

Constructor Summary

Constructors

Constructor and Description
HeartbeatServicesImpl(long heartbeatInterval, long heartbeatTimeout)
HeartbeatServicesImpl(long heartbeatInterval, long heartbeatTimeout, int failedRpcRequestsUntilUnreachable)

Method Summary

Modifier and Type	Method and Description
<I,O> HeartbeatManager<I,O>	createHeartbeatManager(ResourceID resourceId, HeartbeatListener<I,O> heartbeatListener, org.apache.flink.util.concurrent.ScheduledExecutor mainThreadExecutor, org.slf4j.Logger log) Creates a heartbeat manager which does not actively send heartbeats.
<I,O> HeartbeatManager<I,O>	createHeartbeatManagerSender(ResourceID resourceId, HeartbeatListener<I,O> heartbeatListener, org.apache.flink.util.concurrent.ScheduledExecutor mainThreadExecutor, org.slf4j.Logger log) Creates a heartbeat manager which actively sends heartbeats to monitoring targets.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.runtime.heartbeat.HeartbeatServices

fromConfiguration, noOp

Constructor Detail

HeartbeatServicesImpl

public HeartbeatServicesImpl(long heartbeatInterval,
                             long heartbeatTimeout)

HeartbeatServicesImpl

public HeartbeatServicesImpl(long heartbeatInterval,
                             long heartbeatTimeout,
                             int failedRpcRequestsUntilUnreachable)

Method Detail

createHeartbeatManager

public <I,O> HeartbeatManager<I,O> createHeartbeatManager(ResourceID resourceId,
                                                          HeartbeatListener<I,O> heartbeatListener,
                                                          org.apache.flink.util.concurrent.ScheduledExecutor mainThreadExecutor,
                                                          org.slf4j.Logger log)

Description copied from interface: HeartbeatServices

Creates a heartbeat manager which does not actively send heartbeats.

Specified by:

createHeartbeatManager in interface HeartbeatServices

Type Parameters:

I - Type of the incoming payload

O - Type of the outgoing payload

Parameters:

resourceId - Resource Id which identifies the owner of the heartbeat manager

heartbeatListener - Listener which will be notified upon heartbeat timeouts for registered targets

mainThreadExecutor - Scheduled executor to be used for scheduling heartbeat timeouts

log - Logger to be used for the logging

Returns:

A new HeartbeatManager instance

createHeartbeatManagerSender

public <I,O> HeartbeatManager<I,O> createHeartbeatManagerSender(ResourceID resourceId,
                                                                HeartbeatListener<I,O> heartbeatListener,
                                                                org.apache.flink.util.concurrent.ScheduledExecutor mainThreadExecutor,
                                                                org.slf4j.Logger log)

Description copied from interface: HeartbeatServices

Creates a heartbeat manager which actively sends heartbeats to monitoring targets.

Specified by:

createHeartbeatManagerSender in interface HeartbeatServices

Type Parameters:

I - Type of the incoming payload

O - Type of the outgoing payload

Parameters:

resourceId - Resource Id which identifies the owner of the heartbeat manager

heartbeatListener - Listener which will be notified upon heartbeat timeouts for registered targets

mainThreadExecutor - Scheduled executor to be used for scheduling heartbeat timeouts and periodically send heartbeat requests

log - Logger to be used for the logging

Returns:

A new HeartbeatManager instance which actively sends heartbeats