Rice Pastry API

rice.p2p.scribe.messaging
Class AnycastMessage

java.lang.Object
  extended by rice.p2p.scribe.messaging.ScribeMessage
      extended by rice.p2p.scribe.messaging.AnycastMessage
All Implemented Interfaces:
java.io.Serializable, Message, RawMessage
Direct Known Subclasses:
SubscribeMessage

public class AnycastMessage
extends ScribeMessage

Version:
$Id: AnycastMessage.java 3524 2007-01-09 14:09:27Z jeffh $
Author:
Alan Mislove
See Also:
Serialized Form

Field Summary
protected  RawScribeContent content
          the content of this message
protected  java.util.LinkedList toVisit
          the list of nodes which we are going to visit
static short TYPE
           
protected  java.util.Vector visited
          the list of nodes which we have visited
 
Fields inherited from class rice.p2p.scribe.messaging.ScribeMessage
source, topic
 
Fields inherited from interface rice.p2p.commonapi.Message
HIGH_PRIORITY, LOW_PRIORITY, LOWEST_PRIORITY, MAX_PRIORITY, MEDIUM_HIGH_PRIORITY, MEDIUM_LOW_PRIORITY, MEDIUM_PRIORITY
 
Constructor Summary
protected AnycastMessage(InputBuffer buf, Endpoint endpoint, ScribeContentDeserializer cd)
          Protected because it should only be called from an extending class, to get version numbers correct.
  AnycastMessage(NodeHandle source, Topic topic, RawScribeContent content)
           
  AnycastMessage(NodeHandle source, Topic topic, ScribeContent content)
          Constructor which takes a unique integer Id
 
Method Summary
 void addFirst(NodeHandle handle)
          Adds a node the the front of the to-visit list
 void addLast(NodeHandle handle)
          Adds a node the the end of the to-visit list
 void addVisited(NodeHandle handle)
          Adds a node to the visited list
static AnycastMessage build(InputBuffer buf, Endpoint endpoint, ScribeContentDeserializer scd)
           
 ScribeContent getContent()
          Returns the content
 NodeHandle getNext()
          Returns the next handle to visit and removes the node from the list.
 short getType()
          Raw Serialization
 NodeHandle peekNext()
          Returns the next handle to visit
 void remove(NodeHandle handle)
          Removes the node handle from the to visit and visited lists
 void serialize(OutputBuffer buf)
           
protected  void serializeHelper(OutputBuffer buf)
          Use this to allow SubscribeMessage to extend this, but not have the version number nor the content.
 void setContent(RawScribeContent content)
          Sets the content
 void setContent(ScribeContent content)
           
 
Methods inherited from class rice.p2p.scribe.messaging.ScribeMessage
getPriority, getSource, getTopic, setSource
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

TYPE

public static final short TYPE
See Also:
Constant Field Values

content

protected RawScribeContent content
the content of this message


visited

protected java.util.Vector visited
the list of nodes which we have visited


toVisit

protected java.util.LinkedList toVisit
the list of nodes which we are going to visit

Constructor Detail

AnycastMessage

public AnycastMessage(NodeHandle source,
                      Topic topic,
                      ScribeContent content)
Constructor which takes a unique integer Id

Parameters:
source - The source address
topic - The topic
content - The content

AnycastMessage

public AnycastMessage(NodeHandle source,
                      Topic topic,
                      RawScribeContent content)

AnycastMessage

protected AnycastMessage(InputBuffer buf,
                         Endpoint endpoint,
                         ScribeContentDeserializer cd)
                  throws java.io.IOException
Protected because it should only be called from an extending class, to get version numbers correct.

Throws:
java.io.IOException
Method Detail

getContent

public ScribeContent getContent()
Returns the content

Returns:
The content

setContent

public void setContent(RawScribeContent content)
Sets the content

Parameters:
content - The content

setContent

public void setContent(ScribeContent content)

peekNext

public NodeHandle peekNext()
Returns the next handle to visit

Returns:
The next handle to visit

getNext

public NodeHandle getNext()
Returns the next handle to visit and removes the node from the list.

Returns:
The next handle to visit

addVisited

public void addVisited(NodeHandle handle)
Adds a node to the visited list

Parameters:
handle - The node to add

addFirst

public void addFirst(NodeHandle handle)
Adds a node the the front of the to-visit list

Parameters:
handle - The handle to add

addLast

public void addLast(NodeHandle handle)
Adds a node the the end of the to-visit list

Parameters:
handle - The handle to add

remove

public void remove(NodeHandle handle)
Removes the node handle from the to visit and visited lists

Parameters:
handle - The handle to remove

getType

public short getType()
Raw Serialization


serialize

public void serialize(OutputBuffer buf)
               throws java.io.IOException
Specified by:
serialize in interface RawMessage
Overrides:
serialize in class ScribeMessage
Throws:
java.io.IOException

serializeHelper

protected void serializeHelper(OutputBuffer buf)
                        throws java.io.IOException
Use this to allow SubscribeMessage to extend this, but not have the version number nor the content.

Throws:
java.io.IOException

build

public static AnycastMessage build(InputBuffer buf,
                                   Endpoint endpoint,
                                   ScribeContentDeserializer scd)
                            throws java.io.IOException
Throws:
java.io.IOException

Rice Pastry API

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