tapestry.dissemination
Class RequestDisseminationSetQuery

java.lang.Object
  |
  +--tapestry.dissemination.RequestDisseminationSetQuery

All Implemented Interfaces:

QuickSerializable, TapestryQuery

public class RequestDisseminationSetQuery

extends Object

implements TapestryQuery, QuickSerializable

RequestDisseminationSetQuery is a TapestryQuery used in a RequestDisseminationSetMsg TapestryLocateMsg used to find a SetCreator that will respond with a set of dissemination sets.

USAGE

To receive a dissemination set, dispatch a RequestDisseminationSetMsg that contains a RequestDisseminationSetQuery. When the SetCreator receives the message, it will respond with a RequestDisseminationSetResponseMsg containing a set of dissemination sets.

Version:

$Id: RequestDisseminationSetQuery.java,v 1.1.1.1 2004/03/26 19:57:11 hweather Exp $

Author:

Hakim Weatherspoon

See Also:

SetCreatorStage, RequestDisseminationSetMsg, RequestDisseminationSetResponseMsg, TapestryLocateMsg

Constructor Summary

RequestDisseminationSetQuery()
Creates a new RequestDisseminationSetQuery.

RequestDisseminationSetQuery(InputBuffer buffer)
Constructs a RequestDisseminationSetQuery from its serialized form.

Method Summary

TapestryQueryResult	query(SecureHash node_guid, SecureHash bp_guid, TapestryTag tag, TapestryQueryState state) Perform the query on the given backpointer and tag, possibly modifying the supplied state.
void	serialize(OutputBuffer buffer) Specified by ostore.util.QuickSerializable
String	toString() Specified by java.lang.Object

Methods inherited from class java.lang.Object

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

Constructor Detail

RequestDisseminationSetQuery

public RequestDisseminationSetQuery()

Creates a new RequestDisseminationSetQuery.

RequestDisseminationSetQuery

public RequestDisseminationSetQuery(InputBuffer buffer)
                             throws QSException

Constructs a RequestDisseminationSetQuery from its serialized form.

Parameters:

buffer - serialized form of object.

Method Detail

serialize

public void serialize(OutputBuffer buffer)

Specified by ostore.util.QuickSerializable

Specified by:

serialize in interface QuickSerializable

query

public TapestryQueryResult query(SecureHash node_guid,
                                 SecureHash bp_guid,
                                 TapestryTag tag,
                                 TapestryQueryState state)

Description copied from interface: TapestryQuery

Perform the query on the given backpointer and tag, possibly modifying the supplied state.

Specified by:

query in interface TapestryQuery

Parameters:

node_guid - the guid of the current node

bp_guid - the guid of the node to which the backpointer points

tag - the associated tag

state - the state, passed in and (possibly) modified

Returns:

the query result

toString

public String toString()

Specified by java.lang.Object

Overrides:

toString in class Object