Package org.apache.druid.messages.client

Class MessageRelay<MessageType>

java.lang.Object

org.apache.druid.messages.client.MessageRelay<MessageType>

All Implemented Interfaces:

Closeable, AutoCloseable

public class MessageRelay<MessageType>
extends Object
implements Closeable

Relays run on clients, and receive messages from a server. Uses MessageRelayClient to communicate with the MessageRelayResource on a server. that flows upstream

Field Summary

Fields

Modifier and Type	Field	Description
static final long	INIT	Value to provide for epoch on the initial call to MessageRelayClient.getMessages(String, long, long).

Constructor Summary

Constructors

Constructor	Description
MessageRelay(String selfHost, DruidNode serverNode, MessageRelayClient<MessageType> client, MessageListener<MessageType> listener)

Method Summary

Modifier and Type	Method	Description
void	close()	Stop the MessageRelay<MessageType>.org.apache.druid.messages.client.MessageRelay.Collector.
void	start()	Start the MessageRelay<MessageType>.org.apache.druid.messages.client.MessageRelay.Collector.

Methods inherited from class java.lang.Object

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

Field Details

INIT

public static final long INIT

Value to provide for epoch on the initial call to MessageRelayClient.getMessages(String, long, long).

See Also:

• Constant Field Values

Constructor Details

MessageRelay

public MessageRelay(String selfHost,
 DruidNode serverNode,
 MessageRelayClient<MessageType> client,
 MessageListener<MessageType> listener)

Method Details

start

public void start()

Start the MessageRelay<MessageType>.org.apache.druid.messages.client.MessageRelay.Collector.

close

public void close()

Stop the MessageRelay<MessageType>.org.apache.druid.messages.client.MessageRelay.Collector.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable