org.apache.tajo.rpc

Class RpcClientManager

java.lang.Object

org.apache.tajo.rpc.RpcClientManager

@ThreadSafe
public class RpcClientManager
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	RPC_IDLE_TIMEOUT
static int	RPC_RETRIES

Method Summary

Methods

Modifier and Type	Method and Description
static void	cleanup(NettyClientBase... clients)
static void	close() Request to close this clients After it is closed, it is removed from clients map.
protected static boolean	contains(org.apache.tajo.rpc.RpcClientManager.RpcConnectionKey key)
NettyClientBase	getClient(InetSocketAddress addr, Class<?> protocolClass, boolean asyncMode) Connect a NettyClientBase to the remote NettyServerBase, and returns rpc client by protocol.
static RpcClientManager	getInstance()
protected static NettyClientBase	remove(org.apache.tajo.rpc.RpcClientManager.RpcConnectionKey key)
static void	shutdown() Close client manager and shutdown Netty RPC worker pool After it is shutdown it is not possible to reuse it again.

Methods inherited from class java.lang.Object

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

Field Detail

RPC_RETRIES

public static final int RPC_RETRIES

See Also:

Constant Field Values

RPC_IDLE_TIMEOUT

public static final int RPC_IDLE_TIMEOUT

See Also:

Constant Field Values

Method Detail

getInstance

public static RpcClientManager getInstance()

getClient

public NettyClientBase getClient(InetSocketAddress addr,
                        Class<?> protocolClass,
                        boolean asyncMode)
                          throws NoSuchMethodException,
                                 ClassNotFoundException,
                                 io.netty.channel.ConnectTimeoutException

Connect a NettyClientBase to the remote NettyServerBase, and returns rpc client by protocol. This client will be shared per protocol and address. Client is removed in shared map when a client is closed

Parameters:

addr -

protocolClass -

asyncMode -

Returns:

Throws:

NoSuchMethodException

ClassNotFoundException

io.netty.channel.ConnectTimeoutException

close

public static void close()

Request to close this clients After it is closed, it is removed from clients map.

shutdown

public static void shutdown()

Close client manager and shutdown Netty RPC worker pool After it is shutdown it is not possible to reuse it again.

remove

protected static NettyClientBase remove(org.apache.tajo.rpc.RpcClientManager.RpcConnectionKey key)

contains

protected static boolean contains(org.apache.tajo.rpc.RpcClientManager.RpcConnectionKey key)

cleanup

public static void cleanup(NettyClientBase... clients)