org.apache.drill.exec.rpc.user

Class UserClient

java.lang.Object

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

org.apache.drill.exec.rpc.BasicClient<T,BasicClientWithConnection.ServerConnection,HANDSHAKE_SEND,HANDSHAKE_RESPONSE>

org.apache.drill.exec.rpc.BasicClientWithConnection<UserProtos.RpcType,UserProtos.UserToBitHandshake,UserProtos.BitToUserHandshake>

org.apache.drill.exec.rpc.user.UserClient

All Implemented Interfaces:

Closeable, AutoCloseable

public class UserClient
extends BasicClientWithConnection<UserProtos.RpcType,UserProtos.UserToBitHandshake,UserProtos.BitToUserHandshake>

Nested Class Summary

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

BasicClientWithConnection.ServerConnection

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.BasicClient

connection

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

local, queue, remote, rpcConfig

Constructor Summary

Constructors

Constructor and Description
UserClient(DrillConfig config, boolean supportComplexTypes, BufferAllocator alloc, io.netty.channel.EventLoopGroup eventLoopGroup, Executor eventExecutor)

Method Summary

Methods

Modifier and Type	Method and Description
void	connect(RpcConnectionHandler<BasicClientWithConnection.ServerConnection> handler, CoordinationProtos.DrillbitEndpoint endpoint, UserProtos.UserProperties props, UserBitShared.UserCredentials credentials)
protected void	finalizeConnection(UserProtos.BitToUserHandshake handshake, BasicClientWithConnection.ServerConnection connection)
ProtobufLengthDecoder	getDecoder(BufferAllocator allocator)
protected com.google.protobuf.MessageLite	getResponseDefaultInstance(int rpcType)
protected Response	handleReponse(ConnectionThrottle throttle, int rpcType, ByteBuf pBody, ByteBuf dBody)
void	submitQuery(UserResultsListener resultsListener, UserProtos.RunQuery query)
protected void	validateHandshake(UserProtos.BitToUserHandshake inbound)

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

handle, initRemoteConnection

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, getCloseHandler, handle, send, send, setAddresses

Methods inherited from class java.lang.Object

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

Constructor Detail

UserClient

public UserClient(DrillConfig config,
          boolean supportComplexTypes,
          BufferAllocator alloc,
          io.netty.channel.EventLoopGroup eventLoopGroup,
          Executor eventExecutor)

Method Detail

submitQuery

public void submitQuery(UserResultsListener resultsListener,
               UserProtos.RunQuery query)

connect

public void connect(RpcConnectionHandler<BasicClientWithConnection.ServerConnection> handler,
           CoordinationProtos.DrillbitEndpoint endpoint,
           UserProtos.UserProperties props,
           UserBitShared.UserCredentials credentials)

getResponseDefaultInstance

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

Specified by:

getResponseDefaultInstance in class RpcBus<UserProtos.RpcType,BasicClientWithConnection.ServerConnection>

Throws:

RpcException

handleReponse

protected Response handleReponse(ConnectionThrottle throttle,
                     int rpcType,
                     ByteBuf pBody,
                     ByteBuf dBody)
                          throws RpcException

Specified by:

handleReponse in class BasicClientWithConnection<UserProtos.RpcType,UserProtos.UserToBitHandshake,UserProtos.BitToUserHandshake>

Throws:

RpcException

validateHandshake

protected void validateHandshake(UserProtos.BitToUserHandshake inbound)
                          throws RpcException

Specified by:

validateHandshake in class BasicClient<UserProtos.RpcType,BasicClientWithConnection.ServerConnection,UserProtos.UserToBitHandshake,UserProtos.BitToUserHandshake>

Throws:

RpcException

finalizeConnection

protected void finalizeConnection(UserProtos.BitToUserHandshake handshake,
                      BasicClientWithConnection.ServerConnection connection)

Specified by:

finalizeConnection in class BasicClient<UserProtos.RpcType,BasicClientWithConnection.ServerConnection,UserProtos.UserToBitHandshake,UserProtos.BitToUserHandshake>

getDecoder

public ProtobufLengthDecoder getDecoder(BufferAllocator allocator)

Specified by:

getDecoder in class BasicClient<UserProtos.RpcType,BasicClientWithConnection.ServerConnection,UserProtos.UserToBitHandshake,UserProtos.BitToUserHandshake>