com.github.pgasync.impl.io

Class StartupMessageEncoder

java.lang.Object

com.github.pgasync.impl.io.StartupMessageEncoder

All Implemented Interfaces:

Encoder<StartupMessage>

public class StartupMessageEncoder
extends java.lang.Object
implements Encoder<StartupMessage>

See PostgreSQL message formats

 StartupMessage (F)
  Int32
      Length of message contents in bytes, including self.
  Int32(196608)
      The protocol version number. The most significant 16 bits are the major version number (3 for the protocol described here). The least significant 16 bits are the minor version number (0 for the protocol described here).
  The protocol version number is followed by one or more pairs of parameter name and value strings. A zero byte is required as a terminator after the last name/value pair. Parameters can appear in any order. user is required, others are optional. Each parameter is specified as:
  String
      The parameter name. Currently recognized names are:
      user
          The database user name to connect as. Required; there is no default.
      database
          The database to connect to. Defaults to the user name.
      options
          Command-line arguments for the backend. (This is deprecated in favor of setting individual run-time parameters.)
      In addition to the above, any run-time parameter that can be set at backend start time might be listed. Such settings will be applied during backend start (after parsing the command-line options if any). The values will act as session defaults.
  String
      The parameter value.
 

Author:

Antti Laisi

Constructor Summary

Constructors

Constructor and Description
StartupMessageEncoder()

Method Summary

Modifier and Type	Method and Description
java.lang.Class<StartupMessage>	getMessageType()
void	write(StartupMessage msg, java.nio.ByteBuffer buffer)

Methods inherited from class java.lang.Object

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

Constructor Detail

StartupMessageEncoder

public StartupMessageEncoder()

Method Detail

getMessageType

public java.lang.Class<StartupMessage> getMessageType()

Specified by:

getMessageType in interface Encoder<StartupMessage>

Returns:

Message class

write

public void write(StartupMessage msg,
                  java.nio.ByteBuffer buffer)

Specified by:

write in interface Encoder<StartupMessage>

Parameters:

msg - Protocol message

buffer - Target buffer