org.apache.wsrp4j.consumer.app.driver
Class UserRegistryImpl

java.lang.Object
  org.apache.wsrp4j.consumer.driver.GenericUserRegistryImpl
      org.apache.wsrp4j.consumer.app.driver.UserRegistryImpl

All Implemented Interfaces:

StateChangedListener, UserRegistry

public class UserRegistryImpl

extends GenericUserRegistryImpl

implements StateChangedListener

Version:

$Id: UserRegistryImpl.java,v 1.4 2005/08/10 14:45:38 cziegeler Exp $

Field Summary

private static UserRegistry	instance
private PersistentDataObject	persistentDataObject
private PersistentHandler	persistentHandler

Fields inherited from class org.apache.wsrp4j.consumer.driver.GenericUserRegistryImpl

Constructor Summary

private

UserRegistryImpl()

Method Summary

User	addUser(User user) Add a user.
private void	deleteFile(User user) Delete the user from the persistent store
static UserRegistry	getInstance()
void	removeAllUsers() Remove all users from the registry
User	removeUser(java.lang.String userID) Remove a user from the list of known user
private void	restore() Restores all available users from persistent file store
void	stateChanged(StateChangedEvent event) StateChanged event occured
private void	store(User user) Store user to persistent file

Methods inherited from class org.apache.wsrp4j.consumer.driver.GenericUserRegistryImpl

getAllUsers, getUser

Methods inherited from class java.lang.Object

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

Field Detail

instance

private static UserRegistry instance

persistentDataObject

private PersistentDataObject persistentDataObject

persistentHandler

private PersistentHandler persistentHandler

Constructor Detail

UserRegistryImpl

private UserRegistryImpl()

Method Detail

getInstance

public static UserRegistry getInstance()

removeUser

public User removeUser(java.lang.String userID)

Remove a user from the list of known user

Specified by:

removeUser in interface UserRegistry

Overrides:

removeUser in class GenericUserRegistryImpl

Parameters:

userID - The ID of the user

Returns:

The user which has been removed or null

removeAllUsers

public void removeAllUsers()

Description copied from interface: UserRegistry

Remove all users from the registry

Specified by:

removeAllUsers in interface UserRegistry

Overrides:

removeAllUsers in class GenericUserRegistryImpl

addUser

public User addUser(User user)

Add a user. If a record with the given userid already exists, the input UserContext object is returned, otherwise a null value.

Specified by:

addUser in interface UserRegistry

Overrides:

addUser in class GenericUserRegistryImpl

Parameters:

user - The user object to add

Returns:

Null on success or the input user object in case a user with the same user id already exists.

stateChanged

public void stateChanged(StateChangedEvent event)

StateChanged event occured

Specified by:

stateChanged in interface StateChangedListener

Parameters:

event -

restore

private void restore()
              throws WSRPException

Restores all available users from persistent file store

Throws:

WSRPException

store

private void store(User user)
            throws WSRPException

Store user to persistent file

Parameters:

user -

Throws:

WSRPException

deleteFile

private void deleteFile(User user)

Delete the user from the persistent store

Parameters:

user -