org.planx.xmlstore.routing.operation
Class DataLookupReceiver

java.lang.Object
  org.planx.xmlstore.routing.operation.OriginReceiver
      org.planx.xmlstore.routing.operation.DataLookupReceiver

All Implemented Interfaces:

Receiver

public class DataLookupReceiver
extends OriginReceiver

Responds to a DataLookupMessage by sending a DataMessage containing the requested mapping or by sending a NodeReplyMessage containing the K closest nodes to the request key known by this node.

Field Summary

protected Map

localMap

Fields inherited from class org.planx.xmlstore.routing.operation.OriginReceiver

local, server, space

Constructor Summary

DataLookupReceiver(MessageServer server, Node local, Space space, Map localMap)

Method Summary

void	receive(Message incoming, int comm) Updates the local space by inserting the origin node.

Methods inherited from class org.planx.xmlstore.routing.operation.OriginReceiver

timeout

Methods inherited from class java.lang.Object

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

Field Detail

localMap

protected Map localMap

Constructor Detail

DataLookupReceiver

public DataLookupReceiver(MessageServer server,
                          Node local,
                          Space space,
                          Map localMap)

Method Detail

receive

public void receive(Message incoming,
                    int comm)
             throws IOException,
                    UnknownMessageException

Description copied from class: OriginReceiver

Updates the local space by inserting the origin node. Note that if the node already exists in the local space, it's time last seen is updated instead.

Specified by:

receive in interface Receiver

Overrides:

receive in class OriginReceiver

Throws:

IOException - if an I/O error occurs

UnknownMessageException - if the message or comm was unexpected