com.sun.jdo.spi.persistence.support.sqlstore.model

Class ConfigCacheImpl

java.lang.Object

com.sun.jdo.spi.persistence.support.sqlstore.model.ConfigCacheImpl

All Implemented Interfaces:

ConfigCache, ApplicationLifeCycleEventListener

public class ConfigCacheImpl
extends Object
implements ConfigCache, ApplicationLifeCycleEventListener

Caches SQLStore config information.

Author:

Mitesh Meswani

Field Summary

Fields

Modifier and Type	Field and Description
protected static Logger	logger The logger.

Constructor Summary

Constructors

Constructor and Description
ConfigCacheImpl()

Method Summary

Modifier and Type	Method and Description
Class	getClassByOidClass(Class oidType) Gets the Class instance corresponding to given oidType.
PersistenceConfig	getPersistenceConfig(Class pcClass) Get the PersistenceConfig for given pcClass.
void	notifyApplicationUnloaded(ClassLoader classLoader) This method is called when an application is unloaded.
void	setVersionConsistencyCache(VersionConsistencyCache vcCache) Sets VersionConsistencyCache field.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final Logger logger

The logger.

Constructor Detail

ConfigCacheImpl

public ConfigCacheImpl()

Method Detail

getPersistenceConfig

public PersistenceConfig getPersistenceConfig(Class pcClass)

Get the PersistenceConfig for given pcClass. The config is looked up from a cache. If a config can not be found in cache, a new instance is created and returned.

Specified by:

getPersistenceConfig in interface ConfigCache

Parameters:

pcClass - The input pcClass.

Returns:

PersistenceConfig for given pcClass.

getClassByOidClass

public Class getClassByOidClass(Class oidType)

Gets the Class instance corresponding to given oidType.

Specified by:

getClassByOidClass in interface ConfigCache

Parameters:

oidType - The input oidType.

Returns:

The Class instance corresponding to given oidType.

notifyApplicationUnloaded

public void notifyApplicationUnloaded(ClassLoader classLoader)

Description copied from interface: ApplicationLifeCycleEventListener

This method is called when an application is unloaded.

Specified by:

notifyApplicationUnloaded in interface ApplicationLifeCycleEventListener

Parameters:

classLoader - classLoader used to load the application

setVersionConsistencyCache

public void setVersionConsistencyCache(VersionConsistencyCache vcCache)

Sets VersionConsistencyCache field.

Specified by:

setVersionConsistencyCache in interface ConfigCache

Parameters:

vcCache - the VersionConsistencyCache instance.