rice.scribe.messaging
Class MessageCreate

java.lang.Object
  rice.pastry.messaging.Message
      rice.scribe.messaging.ScribeMessage
          rice.scribe.messaging.MessageCreate

All Implemented Interfaces:

java.io.Serializable

public class MessageCreate

extends ScribeMessage

implements java.io.Serializable

MessageCreate is used whenever a Scribe node wants to create a new topic. The message makes its way to the root (the node currently closest to the topic Id) for the topic and takes care of instantiating the appropriate data structures on that node to keep track of the topic.

See Also:

Serialized Form

Field Summary

Fields inherited from class rice.scribe.messaging.ScribeMessage

m_source, m_topicId

Constructor Summary

MessageCreate(Address addr, NodeHandle source, NodeId topicId, Credentials c)
Constructor.

Method Summary

void	handleDeliverMessage(Scribe scribe, Topic topic) This method is called whenever the scribe node receives a message for itself and wants to process it.
boolean	handleForwardMessage(Scribe scribe, Topic topic) This method is called whenever the scribe node forwards a message in the scribe network.
java.lang.String	toString()

Methods inherited from class rice.scribe.messaging.ScribeMessage

getData, getSource, getTopicId, setData

Methods inherited from class rice.pastry.messaging.Message

getCredentials, getDate, getDestination, getSenderId, getStream, hasPriority, setPriority, setSenderId, stamp

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageCreate

public MessageCreate(Address addr,
                     NodeHandle source,
                     NodeId topicId,
                     Credentials c)

Constructor.

Parameters:

addr - the address of the scribe receiver.

source - the node generating the message.

topicId - the topic to which this message refers to.

c - the credentials associated with the mesasge.

Method Detail

handleDeliverMessage

public void handleDeliverMessage(Scribe scribe,
                                 Topic topic)

This method is called whenever the scribe node receives a message for itself and wants to process it. The processing is delegated by scribe to the message.

Specified by:

handleDeliverMessage in class ScribeMessage

Parameters:

scribe - the scribe application.

topic - the topic within the scribe application.

handleForwardMessage

public boolean handleForwardMessage(Scribe scribe,
                                    Topic topic)

This method is called whenever the scribe node forwards a message in the scribe network. The processing is delegated by scribe to the message.

Specified by:

handleForwardMessage in class ScribeMessage

Parameters:

scribe - the scribe application.

topic - the topic within the scribe application.

Returns:

true if the message should be routed further, false otherwise.

toString

public java.lang.String toString()

Specified by:

toString in class ScribeMessage