DistDirectoryService

Overview

Package

Class

Use

Tree

Deprecated

Index

Help

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

solar.service.directory
Class DistDirectoryService

java.lang.Object
  |
  +--solar.service.BaseService
        |
        +--solar.service.directory.DistDirectoryService

All Implemented Interfaces:: DirectoryConstants, DirectoryService, EventHandler, RequestHandler, RpcConstants, Service

public class DistDirectoryService
extends BaseService
implements DirectoryService, DirectoryConstants, RpcConstants

A distributed implementation of directory service.

Version:: $Id: DistDirectoryService.java,v 1.8 2003/10/05 18:50:56 glchen Exp $
Author:: Guanling Chen

Field Summary

protected Directory _directory


protected Address _laddr


protected java.util.Hashtable _listeners


protected org.apache.log4j.Logger _log
          The logger for distributed directory service.

protected RpcService _rpc


protected TransportService _transport


Fields inherited from class solar.service.BaseService

_inited, _manager, _name

Fields inherited from interface solar.service.directory.DirectoryConstants

DIR_ADD_OBSERVER, DIR_ADVERTISE, DIR_ID, DIR_LOOKUP, DIR_NAME, DIR_NAME_ADDED, DIR_NAME_MIGRATED, DIR_NAME_REMOVED, DIR_NAME_UPDATED, DIR_NEWNAME, DIR_NEWREC, DIR_OBSERVER, DIR_OLDNAME, DIR_OLDREC, DIR_PATTERN, DIR_RECORD, DIR_REMOVE_OBSERVER, DIR_UNADVERTISE, DIR_UPDATE

Fields inherited from interface solar.service.rpc.RpcConstants

RPC_BLOCK, RPC_HANDLER, RPC_REPLY, RPC_REQUEST, RPC_TIMEOUT

Constructor Summary

DistDirectoryService()


Method Summary

void addListener(Name pattern, DirectoryListener listener)
          Add a directory listener for the specified pattern.

java.lang.Object advertise(Name name, Id guid, java.lang.Object obj)
          Advertise a name to the name space, with an app-specific object.

java.lang.Object handleRequest(Request request)
          Processing a request.

void initDependents()
          Initialize dependent services here.

java.util.List lookup(Name pattern)
          Return a list of advertisement whose name matches the pattern.

void removeListener(Name pattern, DirectoryListener listener)
          Remove a directory listener for the specified pattern.

private java.util.List requestAll(Name name, Request req)


java.lang.Object unadvertise(Name name, Id guid)
          Unadvertise a name from the name space.

java.lang.Object update(Name oldname, Id guid, Name newname, java.lang.Object obj)
          Update a name advertisement in the name space.

Methods inherited from class solar.service.BaseService

assertInited, getDependentService, getName, getServiceManager, handleDispatchUnit, handleEvent, handleEvent, hasInited, init, init, setInited, setName, setServiceManager, start, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface solar.service.Service

getName, getServiceManager, handleDispatchUnit, hasInited, init, setName, setServiceManager, start, stop

Methods inherited from interface solar.api.EventHandler

handleEvent

Field Detail

_log

protected org.apache.log4j.Logger _log

The logger for distributed directory service.

_laddr

protected Address _laddr

_rpc

protected RpcService _rpc

_transport

protected TransportService _transport

_directory

protected Directory _directory

_listeners

protected java.util.Hashtable _listeners

Constructor Detail

DistDirectoryService

public DistDirectoryService()

Method Detail

initDependents

public void initDependents()
                    throws ServiceException

Description copied from interface: Service

Initialize dependent services here.

Specified by:: initDependents in interface Service
Overrides:: initDependents in class BaseService

ServiceException

handleRequest

public java.lang.Object handleRequest(Request request)
                               throws java.lang.Exception

Description copied from interface: RequestHandler

Processing a request.

Specified by:: handleRequest in interface RequestHandler
Overrides:: handleRequest in class BaseService

java.lang.Exception