org.apache.nifi.cluster.protocol.impl

Class NodeProtocolSenderImpl

java.lang.Object

org.apache.nifi.cluster.protocol.impl.NodeProtocolSenderImpl

All Implemented Interfaces:

NodeProtocolSender

public class NodeProtocolSenderImpl
extends Object
implements NodeProtocolSender

Field Summary

Fields

Modifier and Type	Field and Description
private ClusterServiceLocator	clusterManagerProtocolServiceLocator
private ProtocolContext<ProtocolMessage>	protocolContext
private SocketConfiguration	socketConfiguration

Constructor Summary

Constructors

Constructor and Description
NodeProtocolSenderImpl(ClusterServiceLocator clusterManagerProtocolServiceLocator, SocketConfiguration socketConfiguration, ProtocolContext<ProtocolMessage> protocolContext)

Method Summary

Methods

Modifier and Type	Method and Description
private Socket	createSocket()
SocketConfiguration	getSocketConfiguration()
void	heartbeat(HeartbeatMessage msg) Sends a "heartbeat" message to the cluster manager.
void	notifyControllerStartupFailure(ControllerStartupFailureMessage msg) Sends a failure notification if the controller was unable start.
void	notifyReconnectionFailure(ReconnectionFailureMessage msg) Sends a failure notification if the node was unable to reconnect to the cluster
ConnectionResponseMessage	requestConnection(ConnectionRequestMessage msg) Sends a "connection request" message to the cluster manager.
void	sendBulletins(NodeBulletinsMessage msg) Sends a bulletins message to the cluster manager.
private void	sendProtocolMessage(ProtocolMessage msg)

Methods inherited from class java.lang.Object

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

Field Detail

socketConfiguration

private final SocketConfiguration socketConfiguration

clusterManagerProtocolServiceLocator

private final ClusterServiceLocator clusterManagerProtocolServiceLocator

protocolContext

private final ProtocolContext<ProtocolMessage> protocolContext

Constructor Detail

NodeProtocolSenderImpl

public NodeProtocolSenderImpl(ClusterServiceLocator clusterManagerProtocolServiceLocator,
                      SocketConfiguration socketConfiguration,
                      ProtocolContext<ProtocolMessage> protocolContext)

Method Detail

requestConnection

public ConnectionResponseMessage requestConnection(ConnectionRequestMessage msg)
                                            throws ProtocolException,
                                                   UnknownServiceAddressException

Description copied from interface: NodeProtocolSender

Sends a "connection request" message to the cluster manager.

Specified by:

requestConnection in interface NodeProtocolSender

Parameters:

msg - a message

Returns:

the response

Throws:

ProtocolException - if communication failed

UnknownServiceAddressException - if the cluster manager's address is not known

heartbeat

public void heartbeat(HeartbeatMessage msg)
               throws ProtocolException,
                      UnknownServiceAddressException

Description copied from interface: NodeProtocolSender

Sends a "heartbeat" message to the cluster manager.

Specified by:

heartbeat in interface NodeProtocolSender

Parameters:

msg - a message

Throws:

ProtocolException - if communication failed

UnknownServiceAddressException - if the cluster manager's address is not known

sendBulletins

public void sendBulletins(NodeBulletinsMessage msg)
                   throws ProtocolException,
                          UnknownServiceAddressException

Description copied from interface: NodeProtocolSender

Sends a bulletins message to the cluster manager.

Specified by:

sendBulletins in interface NodeProtocolSender

Parameters:

msg - a message

Throws:

ProtocolException - pe

UnknownServiceAddressException - ex

notifyControllerStartupFailure

public void notifyControllerStartupFailure(ControllerStartupFailureMessage msg)
                                    throws ProtocolException,
                                           UnknownServiceAddressException

Description copied from interface: NodeProtocolSender

Sends a failure notification if the controller was unable start.

Specified by:

notifyControllerStartupFailure in interface NodeProtocolSender

Parameters:

msg - a message

Throws:

ProtocolException - if communication failed

UnknownServiceAddressException - if the cluster manager's address is not known

notifyReconnectionFailure

public void notifyReconnectionFailure(ReconnectionFailureMessage msg)
                               throws ProtocolException,
                                      UnknownServiceAddressException

Description copied from interface: NodeProtocolSender

Sends a failure notification if the node was unable to reconnect to the cluster

Specified by:

notifyReconnectionFailure in interface NodeProtocolSender

Parameters:

msg - a message

Throws:

ProtocolException - if communication failed

UnknownServiceAddressException - if the cluster manager's address is not known

createSocket

private Socket createSocket()

sendProtocolMessage

private void sendProtocolMessage(ProtocolMessage msg)

getSocketConfiguration

public SocketConfiguration getSocketConfiguration()