Package org.teiid.transport

Class PgFrontendProtocol

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.handler.codec.ByteToMessageDecoder

org.teiid.transport.PgFrontendProtocol

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler

public class PgFrontendProtocol
extends io.netty.handler.codec.ByteToMessageDecoder

Represents the messages going from PG ODBC Client --> back end Server Some parts of this code is taken from H2's implementation of ODBC

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PgFrontendProtocol.NullTerminatedStringDataInputStream
static class	PgFrontendProtocol.PGRequest

Nested classes/interfaces inherited from class io.netty.handler.codec.ByteToMessageDecoder

io.netty.handler.codec.ByteToMessageDecoder.Cumulator

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields inherited from class io.netty.handler.codec.ByteToMessageDecoder

COMPOSITE_CUMULATOR, MERGE_CUMULATOR

Constructor Summary

Constructors

Constructor	Description
PgFrontendProtocol(PgBackendProtocol pgBackendProtocol, int maxObjectSize)

Method Summary

Modifier and Type	Method	Description
protected void	decode(io.netty.channel.ChannelHandlerContext ctx, io.netty.buffer.ByteBuf buffer, List<Object> out)

Methods inherited from class io.netty.handler.codec.ByteToMessageDecoder

actualReadableBytes, callDecode, channelInactive, channelRead, channelReadComplete, decodeLast, discardSomeReadBytes, handlerRemoved, handlerRemoved0, internalBuffer, isSingleDecode, setCumulator, setDiscardAfterReads, setSingleDecode, userEventTriggered

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded

Constructor Detail

PgFrontendProtocol

public PgFrontendProtocol(PgBackendProtocol pgBackendProtocol,
                          int maxObjectSize)

Method Detail

decode

protected void decode(io.netty.channel.ChannelHandlerContext ctx,
                      io.netty.buffer.ByteBuf buffer,
                      List<Object> out)
               throws Exception

Specified by:

decode in class io.netty.handler.codec.ByteToMessageDecoder

Throws:

Exception