org.apache.drill.exec.rpc.control

Class ControlClient

java.lang.Object

org.apache.drill.exec.rpc.RpcBus<T,R>

org.apache.drill.exec.rpc.BasicClient<BitControl.RpcType,ControlConnection,BitControl.BitControlHandshake,BitControl.BitControlHandshake>

org.apache.drill.exec.rpc.control.ControlClient

All Implemented Interfaces:

Closeable, AutoCloseable

public class ControlClient
extends BasicClient<BitControl.RpcType,ControlConnection,BitControl.BitControlHandshake,BitControl.BitControlHandshake>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.exec.rpc.RpcBus

RpcBus.ChannelClosedHandler, RpcBus.InboundHandler

Field Summary

Fields inherited from class org.apache.drill.exec.rpc.RpcBus

local, queue, remote, rpcConfig

Constructor Summary

Constructors

Constructor and Description
ControlClient(CoordinationProtos.DrillbitEndpoint remoteEndpoint, CoordinationProtos.DrillbitEndpoint localEndpoint, ControlMessageHandler handler, BootStrapContext context, ReconnectingConnection.CloseHandlerCreator closeHandlerFactory)

Method Summary

Methods

Modifier and Type	Method and Description
void	connect(RpcConnectionHandler<ControlConnection> connectionHandler)
protected void	finalizeConnection(BitControl.BitControlHandshake handshake, ControlConnection connection)
protected io.netty.util.concurrent.GenericFutureListener<io.netty.channel.ChannelFuture>	getCloseHandler(io.netty.channel.socket.SocketChannel ch, ControlConnection clientConnection)
ControlConnection	getConnection()
ProtobufLengthDecoder	getDecoder(BufferAllocator allocator)
MessageLite	getResponseDefaultInstance(int rpcType)
protected Response	handle(ControlConnection connection, int rpcType, io.netty.buffer.ByteBuf pBody, io.netty.buffer.ByteBuf dBody)
ControlConnection	initRemoteConnection(io.netty.channel.socket.SocketChannel channel)
protected void	validateHandshake(BitControl.BitControlHandshake handshake)

Methods inherited from class org.apache.drill.exec.rpc.BasicClient

close, connectAsClient, isActive, isClient, send, send, setAutoRead

Methods inherited from class org.apache.drill.exec.rpc.RpcBus

get, handle, send, send, setAddresses

Methods inherited from class java.lang.Object

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

Constructor Detail

ControlClient

public ControlClient(CoordinationProtos.DrillbitEndpoint remoteEndpoint,
             CoordinationProtos.DrillbitEndpoint localEndpoint,
             ControlMessageHandler handler,
             BootStrapContext context,
             ReconnectingConnection.CloseHandlerCreator closeHandlerFactory)

Method Detail

connect

public void connect(RpcConnectionHandler<ControlConnection> connectionHandler)

initRemoteConnection

public ControlConnection initRemoteConnection(io.netty.channel.socket.SocketChannel channel)

Overrides:

initRemoteConnection in class BasicClient<BitControl.RpcType,ControlConnection,BitControl.BitControlHandshake,BitControl.BitControlHandshake>

getCloseHandler

protected io.netty.util.concurrent.GenericFutureListener<io.netty.channel.ChannelFuture> getCloseHandler(io.netty.channel.socket.SocketChannel ch,
                                                                                             ControlConnection clientConnection)

Overrides:

getCloseHandler in class RpcBus<BitControl.RpcType,ControlConnection>

getResponseDefaultInstance

public MessageLite getResponseDefaultInstance(int rpcType)
                                       throws RpcException

Specified by:

getResponseDefaultInstance in class RpcBus<BitControl.RpcType,ControlConnection>

Throws:

RpcException

handle

protected Response handle(ControlConnection connection,
              int rpcType,
              io.netty.buffer.ByteBuf pBody,
              io.netty.buffer.ByteBuf dBody)
                   throws RpcException

Specified by:

handle in class RpcBus<BitControl.RpcType,ControlConnection>

Throws:

RpcException

validateHandshake

protected void validateHandshake(BitControl.BitControlHandshake handshake)
                          throws RpcException

Specified by:

validateHandshake in class BasicClient<BitControl.RpcType,ControlConnection,BitControl.BitControlHandshake,BitControl.BitControlHandshake>

Throws:

RpcException

finalizeConnection

protected void finalizeConnection(BitControl.BitControlHandshake handshake,
                      ControlConnection connection)

Specified by:

finalizeConnection in class BasicClient<BitControl.RpcType,ControlConnection,BitControl.BitControlHandshake,BitControl.BitControlHandshake>

getConnection

public ControlConnection getConnection()

getDecoder

public ProtobufLengthDecoder getDecoder(BufferAllocator allocator)

Specified by:

getDecoder in class BasicClient<BitControl.RpcType,ControlConnection,BitControl.BitControlHandshake,BitControl.BitControlHandshake>