Package cz.cvut.kbss.jopa.sessions

Class ChangeTrackingUnitOfWork

java.lang.Object

cz.cvut.kbss.jopa.sessions.AbstractSession

cz.cvut.kbss.jopa.sessions.AbstractUnitOfWork

cz.cvut.kbss.jopa.sessions.ChangeTrackingUnitOfWork

All Implemented Interfaces:

ConfigurationHolder, MetamodelProvider, UnitOfWork, Wrapper

public class ChangeTrackingUnitOfWork
extends AbstractUnitOfWork

Field Summary

Fields inherited from class cz.cvut.kbss.jopa.sessions.AbstractUnitOfWork

LOG

Fields inherited from class cz.cvut.kbss.jopa.sessions.AbstractSession

configuration

Constructor Summary

Constructors

Constructor	Description
ChangeTrackingUnitOfWork(AbstractSession parent, Configuration configuration)

Method Summary

Modifier and Type	Method	Description
void	attributeChanged(Object entity, FieldSpecification<?,?> fieldSpec)	Persists changed value of the specified field.
void	attributeChanged(Object entity, Field f)	Persists changed value of the specified field.
Object	createIndirectCollection(Object collection, Object owner, Field field)	Creates an indirect collection, which wraps the specified collection instance and propagates changes to the persistence context.
protected void	detachAllManagedInstances()
protected <T> T	readObjectInternal(Class<T> cls, Object identifier, Descriptor descriptor)
void	registerNewObject(Object entity, Descriptor descriptor)	Registers the specified new object in this Unit of Work.
void	removeObject(Object entity)	Remove the given object from the repository.
void	unregisterObject(Object object)	Detaches the specified registered object from this Unit of Work.

Methods inherited from class cz.cvut.kbss.jopa.sessions.AbstractUnitOfWork

acquireConnection, begin, clear, commit, contains, copyChangeSet, entityType, evictAfterMerge, getCloneForOriginal, getContexts, getCriteriaBuilder, getFieldDescriptor, getInstanceForMerge, getLiveObjectCache, getLoadStateRegistry, getManagedOriginal, getMetamodel, getOriginal, getReference, getState, getState, hasChanges, isActive, isConsistent, isEntityType, isFlushingChanges, isInferred, isInRepository, isInTransaction, isLoaded, isLoaded, isObjectManaged, isObjectNew, loadEntityField, markCloneForDeletion, mergeDetached, processInferredValueChanges, putObjectIntoCache, readObject, readObjectWithoutRegistration, refreshObject, registerExistingObject, registerExistingObject, registerOriginalForNewClone, release, removeIndirectWrappersAndProxies, removeObjectFromCache, restoreRemovedObject, rollback, sparqlQueryFactory, stringify, unregisterEntityFromOntologyContext, unwrap, writeUncommittedChanges

Methods inherited from class cz.cvut.kbss.jopa.sessions.AbstractSession

getConfiguration

Methods inherited from class java.lang.Object

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

Methods inherited from interface cz.cvut.kbss.jopa.sessions.ConfigurationHolder

getConfiguration

Methods inherited from interface cz.cvut.kbss.jopa.sessions.MetamodelProvider

getNamedQueryManager, getResultSetMappingManager

Constructor Details

ChangeTrackingUnitOfWork

public ChangeTrackingUnitOfWork(AbstractSession parent,
 Configuration configuration)

Method Details

readObjectInternal

protected <T> T readObjectInternal(Class<T> cls,
 Object identifier,
 Descriptor descriptor)

Overrides:

readObjectInternal in class AbstractUnitOfWork

createIndirectCollection

public Object createIndirectCollection(Object collection,
 Object owner,
 Field field)

Creates an indirect collection, which wraps the specified collection instance and propagates changes to the persistence context.

Parameters:

collection - Collection to be proxied

owner - Collection owner instance

field - Field filled with the collection

Returns:

Indirect collection

detachAllManagedInstances

protected void detachAllManagedInstances()

attributeChanged

public void attributeChanged(Object entity,
 Field f)

Description copied from interface: UnitOfWork

Persists changed value of the specified field.

Parameters:

entity - Entity with changes (the clone)

f - The field whose value has changed

See Also:

• UnitOfWork.attributeChanged(Object, FieldSpecification)

attributeChanged

public void attributeChanged(Object entity,
 FieldSpecification<?,?> fieldSpec)

Description copied from interface: UnitOfWork

Persists changed value of the specified field.

Parameters:

entity - Entity with changes (the clone)

fieldSpec - Metamodel element representing the attribute that changed

registerNewObject

public void registerNewObject(Object entity,
 Descriptor descriptor)

Description copied from interface: UnitOfWork

Registers the specified new object in this Unit of Work.

The object will be persisted into the context specified by descriptor.

Specified by:

registerNewObject in interface UnitOfWork

Overrides:

registerNewObject in class AbstractUnitOfWork

Parameters:

entity - The object to register

descriptor - Entity descriptor

unregisterObject

public void unregisterObject(Object object)

Description copied from interface: UnitOfWork

Detaches the specified registered object from this Unit of Work.

Specified by:

unregisterObject in interface UnitOfWork

Overrides:

unregisterObject in class AbstractUnitOfWork

Parameters:

object - Clone to detach

removeObject

public void removeObject(Object entity)

Description copied from interface: UnitOfWork

Remove the given object from the repository.

Parameters:

entity - Object to remove