dd.ptr.impl
Class PtrMgr

java.lang.Object
  |
  +--ostore.util.StandardStage
        |
        +--dd.ptr.impl.PtrMgr

All Implemented Interfaces:

EventHandlerIF, SingleThreadedEventHandlerIF

public class PtrMgr

extends StandardStage

implements SingleThreadedEventHandlerIF

The PtrMgr provides a unified interface to the PtrDB and the HostDB. The PtrMgr is DHT independent and works over any DHT that supports a generic Put and Get interface.

Version:

$Id: PtrMgr.java,v 1.9 2004/05/19 06:33:43 hweather Exp $

Author:

Hakim Weatherspoon

Field Summary

protected boolean	_initialized Registered with all local stages have been initialized
protected static long	appId Unique identifier for this stage.
protected long	init_start_time_ms The time this stage was started.

Fields inherited from class ostore.util.StandardStage

classifier, DEBUG, event_types, inb_msg_types, logger, my_node_id, my_sink, outb_msg_types, resender, resender_tokens, serializable_types, sim_running, tag

Constructor Summary

PtrMgr()
Constructor: Creates a new PtrMgr stage.

Method Summary

void	addToPtrCache(Map table, SecureHash objguid, PublishInfo pinfo) addToPtrCache updates the ptrRootCache or the ptrNonRootCache with given objguid and PublishInfo.
void	handleEvent(QueueElementIF item)
void	init(ConfigDataIF config)

Methods inherited from class ostore.util.StandardStage

BUG, BUG, BUG, destroy, dispatch, enqueue, handleEvents, now_ms, now_us

Methods inherited from class java.lang.Object

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

Field Detail

appId

protected static final long appId

Unique identifier for this stage.

_initialized

protected boolean _initialized

Registered with all local stages have been initialized

init_start_time_ms

protected long init_start_time_ms

The time this stage was started.

Constructor Detail

PtrMgr

public PtrMgr()
       throws Exception

Constructor: Creates a new PtrMgr stage.

Method Detail

init

public void init(ConfigDataIF config)
          throws Exception

Specified by:

init in interface EventHandlerIF

Overrides:

init in class StandardStage

Exception

handleEvent

public void handleEvent(QueueElementIF item)
                 throws EventHandlerException

Specified by:

handleEvent in interface EventHandlerIF

EventHandlerException

addToPtrCache

public void addToPtrCache(Map table,
                          SecureHash objguid,
                          PublishInfo pinfo)

addToPtrCache updates the ptrRootCache or the ptrNonRootCache with given objguid and PublishInfo.

Parameters:

table - Either the ptrRootCache or the ptrNonRootCache.

objguid - Identifier to update.

pinfo - PublishInfo to update.