org.planx.xmlstore.routing.operation
Class MessageFactoryImpl

java.lang.Object
  org.planx.xmlstore.routing.operation.MessageFactoryImpl

All Implemented Interfaces:

MessageFactory

public class MessageFactoryImpl
extends Object
implements MessageFactory

Essentially this class translates numbers into classes. Given a message code it can create a Message object or a Receiver.

Author:

Thomas Ambus

Field Summary

static byte	CODE_ACKNOWLEDGE
static byte	CODE_CONNECT
static byte	CODE_DATA
static byte	CODE_DATA_LOOKUP
static byte	CODE_HASH
static byte	CODE_HASH_REQUEST
static byte	CODE_NODE_LOOKUP
static byte	CODE_NODE_REPLY
static byte	CODE_REMOVE
static byte	CODE_STORE
static byte	CODE_STORE_REQUEST

Constructor Summary

MessageFactoryImpl(Map localMap, Node local, Space space)

Method Summary

Message	createMessage(byte code, DataInput in) Creates a Message of type code from the specified stream.
Receiver	createReceiver(byte code, MessageServer server) Creates a Receiver for handling a Message of type code.

Methods inherited from class java.lang.Object

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

Field Detail

CODE_CONNECT

public static final byte CODE_CONNECT

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Constant Field Values

CODE_ACKNOWLEDGE

public static final byte CODE_ACKNOWLEDGE

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Constant Field Values

CODE_NODE_LOOKUP

public static final byte CODE_NODE_LOOKUP

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Constant Field Values

CODE_NODE_REPLY

public static final byte CODE_NODE_REPLY

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Constant Field Values

CODE_DATA_LOOKUP

public static final byte CODE_DATA_LOOKUP

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Constant Field Values

CODE_DATA

public static final byte CODE_DATA

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Constant Field Values

CODE_STORE

public static final byte CODE_STORE

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Constant Field Values

CODE_STORE_REQUEST

public static final byte CODE_STORE_REQUEST

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Constant Field Values

CODE_HASH

public static final byte CODE_HASH

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Constant Field Values

CODE_HASH_REQUEST

public static final byte CODE_HASH_REQUEST

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Constant Field Values

CODE_REMOVE

public static final byte CODE_REMOVE

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Constant Field Values

Constructor Detail

MessageFactoryImpl

public MessageFactoryImpl(Map localMap,
                          Node local,
                          Space space)

Method Detail

createMessage

public Message createMessage(byte code,
                             DataInput in)
                      throws IOException,
                             UnknownMessageException

Description copied from interface: MessageFactory

Creates a Message of type code from the specified stream.

Specified by:

createMessage in interface MessageFactory

Throws:

UnknownMessageException - if the message code type is not supported

IOException

createReceiver

public Receiver createReceiver(byte code,
                               MessageServer server)

Description copied from interface: MessageFactory

Creates a Receiver for handling a Message of type code. If no standard Receiver should handle the message null is returned. In this case, an application specific receiver will be used if one is registered.

Specified by:

createReceiver in interface MessageFactory