Package com.blazebit.persistence.view.impl.entity

Class AbstractEntityLoader

java.lang.Object

com.blazebit.persistence.view.impl.entity.AbstractEntityLoader

All Implemented Interfaces:

EntityLoader

Direct Known Subclasses:

DefaultEntityLoaderFetchGraphNode, FlusherBasedEntityLoader, FullEntityLoader, ReferenceEntityLoader

public abstract class AbstractEntityLoader
extends Object
implements EntityLoader

Since:

1.2.0

Author:

Christian Beikov

Field Summary

Fields

Modifier and Type	Field	Description
protected final Class<?>	entityClass
protected final Constructor<Object>	entityConstructor
protected final AttributeAccessor	entityIdAccessor
protected final String	idAttributeName
protected final boolean	primaryKeyId
protected final ViewToEntityMapper	viewIdMapper

Constructor Summary

Constructors

Constructor	Description
AbstractEntityLoader(EntityViewManagerImpl evm, Class<?> entityClass, javax.persistence.metamodel.SingularAttribute<?,?> jpaIdAttribute, javax.persistence.metamodel.SingularAttribute<?,?> viewIdMappingAttribute, ViewToEntityMapper viewIdMapper, AttributeAccessor entityIdAccessor)

Method Summary

Modifier and Type	Method	Description
protected static javax.persistence.metamodel.SingularAttribute<?,?>	associationIdMappingOf(EntityViewManagerImpl evm, ManagedViewType<?> subviewType, String attributeIdAttributeName)
protected final Object	createEntity()
Class<?>	getEntityClass()
Object	getEntityId(UpdateContext context, Object entity)
protected final Object	getEntityId(UpdateContext context, Object view, Object id)
protected final Object	getReferenceOrLoad(UpdateContext context, Object view, Object id)
protected final void	getReferencesLoadOrCreate(UpdateContext context, List<Object> views, List<Object> ids)
protected static javax.persistence.metamodel.SingularAttribute<?,?>	jpaIdOf(EntityViewManagerImpl evm, ManagedViewType<?> subviewType)
protected abstract List<Object>	queryEntities(javax.persistence.EntityManager em, List<Object> ids)
protected abstract Object	queryEntity(javax.persistence.EntityManager em, Object id)
void	toEntities(UpdateContext context, List<Object> views, List<Object> ids)
protected static javax.persistence.metamodel.SingularAttribute<?,?>	viewIdMappingOf(EntityViewManagerImpl evm, ManagedViewType<?> subviewType)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.blazebit.persistence.view.impl.entity.EntityLoader

toEntity

Field Details

entityClass

protected final Class<?> entityClass

viewIdMapper

protected final ViewToEntityMapper viewIdMapper

entityConstructor

protected final Constructor<Object> entityConstructor

idAttributeName

protected final String idAttributeName

entityIdAccessor

protected final AttributeAccessor entityIdAccessor

primaryKeyId

protected final boolean primaryKeyId

Constructor Details

AbstractEntityLoader

public AbstractEntityLoader(EntityViewManagerImpl evm,
 Class<?> entityClass,
 javax.persistence.metamodel.SingularAttribute<?,?> jpaIdAttribute,
 javax.persistence.metamodel.SingularAttribute<?,?> viewIdMappingAttribute,
 ViewToEntityMapper viewIdMapper,
 AttributeAccessor entityIdAccessor)

Method Details

jpaIdOf

protected static javax.persistence.metamodel.SingularAttribute<?,?> jpaIdOf(EntityViewManagerImpl evm,
 ManagedViewType<?> subviewType)

viewIdMappingOf

protected static javax.persistence.metamodel.SingularAttribute<?,?> viewIdMappingOf(EntityViewManagerImpl evm,
 ManagedViewType<?> subviewType)

associationIdMappingOf

protected static javax.persistence.metamodel.SingularAttribute<?,?> associationIdMappingOf(EntityViewManagerImpl evm,
 ManagedViewType<?> subviewType,
 String attributeIdAttributeName)

getEntityClass

public Class<?> getEntityClass()

Specified by:

getEntityClass in interface EntityLoader

toEntities

public void toEntities(UpdateContext context,
 List<Object> views,
 List<Object> ids)

Specified by:

toEntities in interface EntityLoader

getEntityId

public Object getEntityId(UpdateContext context,
 Object entity)

Specified by:

getEntityId in interface EntityLoader

createEntity

protected final Object createEntity()

getReferenceOrLoad

protected final Object getReferenceOrLoad(UpdateContext context,
 Object view,
 Object id)

getReferencesLoadOrCreate

protected final void getReferencesLoadOrCreate(UpdateContext context,
 List<Object> views,
 List<Object> ids)

getEntityId

protected final Object getEntityId(UpdateContext context,
 Object view,
 Object id)

queryEntity

protected abstract Object queryEntity(javax.persistence.EntityManager em,
 Object id)

queryEntities

protected abstract List<Object> queryEntities(javax.persistence.EntityManager em,
 List<Object> ids)