ControlClient (exec/Java Execution Engine 1.12.0 API)

java.lang.Object
- org.apache.drill.exec.rpc.RpcBus<T,CC>
- - 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, remote, rpcConfig

Constructor Summary

Constructors
Constructor and Description
`ControlClient(org.apache.drill.exec.rpc.control.ControlConnectionConfig config, CoordinationProtos.DrillbitEndpoint remoteEndpoint, ReconnectingConnection.CloseHandlerCreator closeHandlerFactory)`

Method Summary

Methods
Modifier and Type	Method and Description
`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)`
`ProtobufLengthDecoder`	`getDecoder(BufferAllocator allocator)`
`protected <M extends com.google.protobuf.MessageLite> RpcCommand<M,ControlConnection>`	`getInitialCommand(RpcCommand<M,ControlConnection> command)`
`com.google.protobuf.MessageLite`	`getResponseDefaultInstance(int rpcType)`
`protected void`	`handle(ControlConnection connection, int rpcType, ByteBuf pBody, ByteBuf dBody, ResponseSender sender)`
`protected 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, isSslEnabled, send, send, send, setAutoRead, setSslChannel, setupSSL

Methods inherited from class org.apache.drill.exec.rpc.RpcBus
get, send, 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(org.apache.drill.exec.rpc.control.ControlConnectionConfig config,
             CoordinationProtos.DrillbitEndpoint remoteEndpoint,
             ReconnectingConnection.CloseHandlerCreator closeHandlerFactory)

Method Detail

initRemoteConnection
```
protected 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 com.google.protobuf.MessageLite getResponseDefaultInstance(int rpcType)
                                                           throws RpcException

Specified by:: getResponseDefaultInstance in class RpcBus<BitControl.RpcType,ControlConnection>
Throws:: RpcException

handle

protected void handle(ControlConnection connection,
          int rpcType,
          ByteBuf pBody,
          ByteBuf dBody,
          ResponseSender sender)
               throws RpcException