rice.p2p.past
Class PastPolicy.DefaultPastPolicy

java.lang.Object
  rice.p2p.past.PastPolicy.DefaultPastPolicy

All Implemented Interfaces:

PastPolicy

Enclosing interface:

PastPolicy

public static class PastPolicy.DefaultPastPolicy

extends java.lang.Object

implements PastPolicy

The default policy for Past, which fetches any available copy of a replicated object and always allows inserts locally.

Author:

Alan Mislove

Nested Class Summary

Nested classes/interfaces inherited from interface rice.p2p.past.PastPolicy

PastPolicy.DefaultPastPolicy

Constructor Summary

PastPolicy.DefaultPastPolicy()

Method Summary

boolean	allowInsert(PastContent content) This method always return true;
void	fetch(Id id, NodeHandle hint, Cache backup, Past past, Continuation command) This method fetches the object via a lookup() call.

Methods inherited from class java.lang.Object

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

Constructor Detail

PastPolicy.DefaultPastPolicy

public PastPolicy.DefaultPastPolicy()

Method Detail

fetch

public void fetch(Id id,
                  NodeHandle hint,
                  Cache backup,
                  Past past,
                  Continuation command)

This method fetches the object via a lookup() call.

Specified by:

fetch in interface PastPolicy

Parameters:

id - The id to fetch

hint - A hint as to where the key might be

backup - The backup cache, where the object *might* be located

past - The local past instance

command - The command to call with the replica to store

allowInsert

public boolean allowInsert(PastContent content)

This method always return true;

Specified by:

allowInsert in interface PastPolicy

Parameters:

content - The content about to be stored

Returns:

Whether the insert should be allowed