de.schwarzrot.data.access.support
Class AbstractEntityManager

java.lang.Object
  de.schwarzrot.data.access.support.AbstractEntityManager

All Implemented Interfaces:

EntityManager

Direct Known Subclasses:

JDBCEntityManager, NullEntityManager, PreferencesEntityManager

public abstract class AbstractEntityManager
extends Object
implements EntityManager

abstract helper class for conveniance of creation of EntityManagers.

Author:

Reinhard Mantey

Field Summary

protected SystemDefault

appDefaults

Constructor Summary

AbstractEntityManager()

Method Summary

void	dumpTypeCache() for debugging purpose only.
protected SystemDefault	getApplicationDefaults()
String	getApplicationName() returns the name of the application
EntityHolder	getEntityCache()
EntityIntrospector	getEntityIntrospector()
EntityUtils	getEntityUtils()
String	getName()
String	getSchemaName()
String	getSchemaName(Class<?> entityType, TransactionResource<?> resource) returns the schema name, used by entities of given type and given storage
UserNameProvider	getUserNameProvider()
protected Class<?>	loadClass(String className)
boolean	needsTransaction()
void	setEntityCache(EntityHolder eh) sets the cache for entity instances
void	setEntityIntrospector(EntityIntrospector entityIntrospector) sets the entity introspector used to fill an EntityDescriptor with informations about entities.
void	setEntityUtils(EntityUtils entityUtils)
void	setSchemaName(Class<?> entityType, String schemaName, TransactionResource<?> resource) sets the schema name to use by instances of given entity and resource
void	setSchemaName(String schemaName)
void	setUserNameProvider(UserNameProvider userNameProvider) sets the username provider used by this EntityManager

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.schwarzrot.data.access.EntityManager

commit, createTransactionResource, execute, getEntityDescriptor, releaseTransactionResource, rollback

Field Detail

appDefaults

protected SystemDefault appDefaults

Constructor Detail

AbstractEntityManager

public AbstractEntityManager()

Method Detail

dumpTypeCache

public void dumpTypeCache()

Description copied from interface: EntityManager

for debugging purpose only. Dumps out all known entities of that EntityManager.

Specified by:

dumpTypeCache in interface EntityManager

getApplicationName

public final String getApplicationName()

Description copied from interface: EntityManager

returns the name of the application

Specified by:

getApplicationName in interface EntityManager

Returns:

- the name of the application

getEntityCache

public final EntityHolder getEntityCache()

getEntityIntrospector

public final EntityIntrospector getEntityIntrospector()

getEntityUtils

public final EntityUtils getEntityUtils()

getName

public final String getName()

getSchemaName

public final String getSchemaName()

Returns:

the schemaName

getSchemaName

public final String getSchemaName(Class<?> entityType,
                                  TransactionResource<?> resource)

Description copied from interface: EntityManager

returns the schema name, used by entities of given type and given storage

Specified by:

getSchemaName in interface EntityManager

Parameters:

entityType - - the class of entity

resource - - the wrapped storage handle

Returns:

- the schema name to use

getUserNameProvider

public final UserNameProvider getUserNameProvider()

needsTransaction

public boolean needsTransaction()

setEntityCache

public final void setEntityCache(EntityHolder eh)

Description copied from interface: EntityManager

sets the cache for entity instances

Specified by:

setEntityCache in interface EntityManager

Parameters:

eh - - the cache handler

setEntityIntrospector

public final void setEntityIntrospector(EntityIntrospector entityIntrospector)

Description copied from interface: EntityManager

sets the entity introspector used to fill an EntityDescriptor with informations about entities.

Specified by:

setEntityIntrospector in interface EntityManager

Parameters:

entityIntrospector - - the introspector to use

setEntityUtils

public final void setEntityUtils(EntityUtils entityUtils)

setSchemaName

public final void setSchemaName(Class<?> entityType,
                                String schemaName,
                                TransactionResource<?> resource)

Description copied from interface: EntityManager

sets the schema name to use by instances of given entity and resource

Specified by:

setSchemaName in interface EntityManager

Parameters:

entityType - - class of entity

schemaName - - the schema name

resource - - a wrapped storage handle

setSchemaName

public final void setSchemaName(String schemaName)

Parameters:

schemaName - the schemaName to set

setUserNameProvider

public final void setUserNameProvider(UserNameProvider userNameProvider)

Description copied from interface: EntityManager

sets the username provider used by this EntityManager

Specified by:

setUserNameProvider in interface EntityManager

Parameters:

userNameProvider - - the username provider to use

getApplicationDefaults

protected SystemDefault getApplicationDefaults()

loadClass

protected final Class<?> loadClass(String className)
                            throws ClassNotFoundException

Throws:

ClassNotFoundException