org.apache.flink.runtime.ipc

Class Client

java.lang.Object

org.apache.flink.runtime.ipc.Client

public class Client
extends Object

A client for an IPC service. IPC calls take a single Writable as a parameter, and return a Writable as their value. A service runs on a port and is defined by a parameter class and a value class.

See Also:

Server

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.commons.logging.Log	LOG

Constructor Summary

Constructors

Constructor and Description
Client() Construct an IPC client with the default SocketFactory
Client(SocketFactory factory) Construct an IPC client whose values are of the given Writable class.

Method Summary

Methods

Modifier and Type	Method and Description
IOReadableWritable	call(IOReadableWritable param, InetSocketAddress addr, Class<?> protocol) Make a call, passing param, to the IPC server running at address which is servicing the protocol protocol, with the ticket credentials, returning the value.
void	stop() Stop all threads related to this client.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

Constructor Detail

Client

public Client(SocketFactory factory)

Construct an IPC client whose values are of the given Writable class.

Client

public Client()

Construct an IPC client with the default SocketFactory

Parameters:

valueClass -

conf -

Method Detail

stop

public void stop()

Stop all threads related to this client. No further calls may be made using this client.

call

public IOReadableWritable call(IOReadableWritable param,
                      InetSocketAddress addr,
                      Class<?> protocol)
                        throws InterruptedException,
                               IOException

Make a call, passing param, to the IPC server running at address which is servicing the protocol protocol, with the ticket credentials, returning the value. Throws exceptions if there are network problems or if the remote code threw an exception.

Throws:

InterruptedException

IOException