org.ow2.proactive.account

Class AbstractAccountsManager<E extends Account>

java.lang.Object

org.ow2.proactive.account.AbstractAccountsManager<E>

Type Parameters:

E - The specific Account implementation

Direct Known Subclasses:

RMAccountsManager

public abstract class AbstractAccountsManager<E extends Account>
extends Object

Sub classes may use the logger of this class.

Since:

ProActive Scheduling 2.1

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,E>	accountsMap The map that contains all statistics
protected org.apache.log4j.Logger	logger The logger provided by sub-classes

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractAccountsManager(String refreshThreadName, org.apache.log4j.Logger logger)

Method Summary

Modifier and Type	Method and Description
void	clearCache() This methods performs a full refresh from database.
E	getAccount(String username) Returns the accounts for the user specified by its username
int	getCacheValidityTimeInSeconds() Returns the refresh rate of the accounts refresher.
abstract int	getDefaultCacheValidityTimeInSeconds() Returns the default value of the accounts refresher.
long	getLastRefreshDurationInMilliseconds() Returns the duration of the last refresh performed by the account refresher.
protected abstract E	readAccount(String username) Reads account information from the data base
void	setCacheValidityTimeInSeconds(int cacheValidTimeInSeconds) Sets the refresh rate of the accounts refresher.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.apache.log4j.Logger logger

The logger provided by sub-classes

accountsMap

protected volatile Map<String,E extends Account> accountsMap

The map that contains all statistics

Constructor Detail

AbstractAccountsManager

protected AbstractAccountsManager(String refreshThreadName,
                                  org.apache.log4j.Logger logger)

Method Detail

readAccount

protected abstract E readAccount(String username)

Reads account information from the data base

Parameters:

username - the name of the user for which account is read

Returns:

account

getAccount

public E getAccount(String username)

Returns the accounts for the user specified by its username

Parameters:

username - the name of the user

Returns:

The accounts of the user, can be null if the user is unknown

clearCache

public void clearCache()

This methods performs a full refresh from database.

setCacheValidityTimeInSeconds

public void setCacheValidityTimeInSeconds(int cacheValidTimeInSeconds)

Sets the refresh rate of the accounts refresher.

Parameters:

cacheValidTimeInSeconds - the refresh rate

getCacheValidityTimeInSeconds

public int getCacheValidityTimeInSeconds()

Returns the refresh rate of the accounts refresher.

Returns:

the current value of the refresh rate in seconds

getDefaultCacheValidityTimeInSeconds

public abstract int getDefaultCacheValidityTimeInSeconds()

Returns the default value of the accounts refresher.

Returns:

the default value of the refresh rate in seconds

getLastRefreshDurationInMilliseconds

public long getLastRefreshDurationInMilliseconds()

Returns the duration of the last refresh performed by the account refresher.

Returns:

the duration of the last refresh