net.as_development.asdk.db_service.impl

Class EntityMetaInfoProvider

java.lang.Object

net.as_development.asdk.db_service.impl.EntityMetaInfoProvider

public class EntityMetaInfoProvider
extends Object

TODO document me

Constructor Summary

Constructors

Constructor and Description
EntityMetaInfoProvider() create new instance.

Method Summary

Modifier and Type	Method and Description
EntityMetaInfo	getMetaInfoForEntityClass(Class<?> aClass)
EntityMetaInfo	getMetaInforForEntity(Object aEntity)
PersistenceUnit	getPersistenceUnit() provides access to member m_aPersistenceUnit.
String	getPersistenceUnitName()
void	retrieveMetaInfo()
void	setPersistenceUnit(PersistenceUnit aUnit)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityMetaInfoProvider

public EntityMetaInfoProvider()

create new instance.

Method Detail

setPersistenceUnit

public void setPersistenceUnit(PersistenceUnit aUnit)
                        throws Exception

Throws:

Exception

getPersistenceUnit

public PersistenceUnit getPersistenceUnit()
                                   throws Exception

provides access to member m_aPersistenceUnit. If those member was not initialized or "cleared" before ... we create a new one. Those instance will be created and(!) initialized. So we can make sure a valid unit will be returned where even it's configuration seems to be valid.

Returns:

the current bound (and initialize) persistence unit.

Throws:

Exception - in case persistence unit couldnt be created successfull ... e.g. because corresponding configuration seems to be invalid.

getPersistenceUnitName

public String getPersistenceUnitName()
                              throws Exception

Throws:

Exception

retrieveMetaInfo

public void retrieveMetaInfo()
                      throws Exception

Throws:

Exception

getMetaInforForEntity

public EntityMetaInfo getMetaInforForEntity(Object aEntity)
                                     throws Exception

Throws:

Exception

getMetaInfoForEntityClass

public EntityMetaInfo getMetaInfoForEntityClass(Class<?> aClass)
                                         throws Exception

Throws:

Exception

toString

public String toString()

Overrides:

toString in class Object