Package org.apache.shardingsphere.proxy.frontend.postgresql.command

Class PostgreSQLCommandExecuteEngine

java.lang.Object

org.apache.shardingsphere.proxy.frontend.postgresql.command.PostgreSQLCommandExecuteEngine

All Implemented Interfaces:

CommandExecuteEngine

public final class PostgreSQLCommandExecuteEngine
extends Object
implements CommandExecuteEngine

Command execute engine for PostgreSQL.

Constructor Summary

Constructors

Constructor	Description
PostgreSQLCommandExecuteEngine()

Method Summary

Modifier and Type	Method	Description
CommandExecutor	getCommandExecutor(org.apache.shardingsphere.db.protocol.packet.CommandPacketType type, org.apache.shardingsphere.db.protocol.packet.CommandPacket packet, ConnectionSession connectionSession)
PostgreSQLCommandPacket	getCommandPacket(org.apache.shardingsphere.db.protocol.payload.PacketPayload payload, org.apache.shardingsphere.db.protocol.packet.CommandPacketType type, ConnectionSession connectionSession)
PostgreSQLCommandPacketType	getCommandPacketType(org.apache.shardingsphere.db.protocol.payload.PacketPayload payload)
org.apache.shardingsphere.db.protocol.packet.DatabasePacket<?>	getErrorPacket(Exception cause)
Optional<org.apache.shardingsphere.db.protocol.packet.DatabasePacket<?>>	getOtherPacket(ConnectionSession connectionSession)
void	writeQueryData(io.netty.channel.ChannelHandlerContext context, BackendConnection backendConnection, QueryCommandExecutor queryCommandExecutor, int headerPackagesCount)

Methods inherited from class java.lang.Object

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

Constructor Details

PostgreSQLCommandExecuteEngine

public PostgreSQLCommandExecuteEngine()

Method Details

getCommandPacketType

public PostgreSQLCommandPacketType getCommandPacketType(org.apache.shardingsphere.db.protocol.payload.PacketPayload payload)

Specified by:

getCommandPacketType in interface CommandExecuteEngine

getCommandPacket

public PostgreSQLCommandPacket getCommandPacket(org.apache.shardingsphere.db.protocol.payload.PacketPayload payload,
 org.apache.shardingsphere.db.protocol.packet.CommandPacketType type,
 ConnectionSession connectionSession)

Specified by:

getCommandPacket in interface CommandExecuteEngine

getCommandExecutor

public CommandExecutor getCommandExecutor(org.apache.shardingsphere.db.protocol.packet.CommandPacketType type,
 org.apache.shardingsphere.db.protocol.packet.CommandPacket packet,
 ConnectionSession connectionSession)
                                   throws SQLException

Specified by:

getCommandExecutor in interface CommandExecuteEngine

Throws:

SQLException

getErrorPacket

public org.apache.shardingsphere.db.protocol.packet.DatabasePacket<?> getErrorPacket(Exception cause)

Specified by:

getErrorPacket in interface CommandExecuteEngine

getOtherPacket

public Optional<org.apache.shardingsphere.db.protocol.packet.DatabasePacket<?>> getOtherPacket(ConnectionSession connectionSession)

Specified by:

getOtherPacket in interface CommandExecuteEngine

writeQueryData

public void writeQueryData(io.netty.channel.ChannelHandlerContext context,
 BackendConnection backendConnection,
 QueryCommandExecutor queryCommandExecutor,
 int headerPackagesCount)
                    throws SQLException

Specified by:

writeQueryData in interface CommandExecuteEngine

Throws:

SQLException