use of com.blazebit.persistence.view.impl.accessor.AttributeAccessor in project blaze-persistence by Blazebit.
the class ViewMapper method createAccessor.
private ObjectMapper createAccessor(ManagedViewType<S> sourceType, ManagedViewType<T> targetType, boolean ignoreMissing, EntityViewKindMapping entityViewKindMapping, EntityViewManager entityViewManager, ProxyFactory proxyFactory, MethodAttribute<? super T, ?> targetAttribute, String prefix, Map<String, Key<Object, Object>> subMappers) {
String newPrefix;
if (prefix.isEmpty()) {
newPrefix = targetAttribute.getName();
} else {
newPrefix = prefix + "." + targetAttribute.getName();
}
Type<?> attributeType;
MappingConstructorImpl<?> constructor = null;
Boolean maybeMarkNew = entityViewKindMapping == EntityViewKindMapping.MARK_NEW ? null : false;
Key<Object, Object> subMapperKey = subMappers.get(newPrefix);
if (subMapperKey == Key.EXCLUDE_MARKER) {
return null;
} else if (subMapperKey != null) {
ignoreMissing = subMapperKey.ignoreMissing;
maybeMarkNew = subMapperKey.markNew;
}
// Try to find a source attribute
MethodAttribute<?, ?> sourceAttribute;
AttributeAccessor accessor;
if (sourceType == null) {
sourceAttribute = null;
if (targetAttribute.getMappingType() == Attribute.MappingType.PARAMETER) {
return new ParameterObjectMapper(((MappingAttribute<?, ?>) targetAttribute).getMapping());
}
accessor = Accessors.forEntityMapping((EntityViewManagerImpl) entityViewManager, targetAttribute);
if (accessor == null) {
if (ignoreMissing) {
return null;
}
throw inconvertible("Attribute '" + targetAttribute.getName() + "' from target type is missing in source type!", targetType);
}
} else {
sourceAttribute = sourceType.getAttribute(targetAttribute.getName());
if (sourceAttribute == null) {
if (targetAttribute.getMappingType() == Attribute.MappingType.PARAMETER) {
return new ParameterObjectMapper(((MappingAttribute<?, ?>) targetAttribute).getMapping());
}
// Optionally ignore missing attributes
if (ignoreMissing) {
return null;
}
throw inconvertible("Attribute '" + targetAttribute.getName() + "' from target type is missing in source type!", sourceType, targetType);
}
accessor = Accessors.forViewAttribute(null, sourceAttribute, true);
}
// Handle conversion from one type to another
if (targetAttribute.isCollection()) {
if ((sourceAttribute != null) && (targetAttribute.getConvertedJavaType() != sourceAttribute.getConvertedJavaType())) {
throw inconvertible("Attribute '" + targetAttribute.getName() + "' from target type has a different plural type than in source type!", sourceType, targetType);
}
PluralAttribute<?, ?, ?> targetPluralAttr = (PluralAttribute<?, ?, ?>) targetAttribute;
Type<?> elementType = (sourceAttribute == null) ? null : ((PluralAttribute<?, ?, ?>) sourceAttribute).getElementType();
ViewMapper<Object, Object> valueMapper = null;
attributeType = targetPluralAttr.getElementType();
if (subMapperKey != null) {
attributeType = subMapperKey.targetType;
constructor = subMapperKey.targetConstructor;
}
if (targetAttribute.isSubview()) {
valueMapper = createViewMapper(elementType, attributeType, constructor, ignoreMissing, maybeMarkNew, entityViewManager, proxyFactory, newPrefix, subMappers);
} else if ((sourceType != null) && (targetPluralAttr.getElementType() != elementType)) {
throw inconvertible("Attribute '" + targetAttribute.getName() + "' from target type has a different element type than in source type!", sourceType, targetType);
}
boolean needsDirtyTracker = ((AbstractAttribute<?, ?>) targetAttribute).needsDirtyTracker();
if (targetPluralAttr.getCollectionType() == PluralAttribute.CollectionType.MAP) {
MapAttribute<?, ?, ?> targetMapAttr = (MapAttribute<?, ?, ?>) targetAttribute;
Type<?> keyType = (sourceAttribute == null) ? null : ((MapAttribute<?, ?, ?>) sourceAttribute).getKeyType();
ViewMapper<Object, Object> keyMapper = null;
if (targetMapAttr.isKeySubview()) {
String newKeyPrefix = "KEY(" + newPrefix + ")";
Key<Object, Object> keySubMapperKey = subMappers.get(newKeyPrefix);
if (keySubMapperKey == Key.EXCLUDE_MARKER) {
keyMapper = null;
} else {
constructor = null;
Type<?> keyTargetType = targetMapAttr.getKeyType();
Boolean maybeMarkNewKey = entityViewKindMapping == EntityViewKindMapping.MARK_NEW ? null : false;
if (subMapperKey != null) {
constructor = keySubMapperKey.targetConstructor;
keyTargetType = keySubMapperKey.targetType;
ignoreMissing = keySubMapperKey.ignoreMissing;
maybeMarkNewKey = keySubMapperKey.markNew;
}
keyMapper = createViewMapper(keyType, keyTargetType, constructor, ignoreMissing, maybeMarkNewKey, entityViewManager, proxyFactory, newPrefix, subMappers);
}
} else if ((sourceType != null) && (targetMapAttr.getKeyType() != keyType)) {
throw inconvertible("Attribute '" + targetAttribute.getName() + "' from target type has a different key type than in source type!", sourceType, targetType);
}
MapInstantiatorImplementor<?, ?> mapInstantiator = ((AbstractAttribute<?, ?>) targetAttribute).getMapInstantiator();
return new MapObjectMapper(accessor, needsDirtyTracker, entityViewKindMapping != EntityViewKindMapping.MARK_NEW, mapInstantiator, keyMapper, valueMapper);
} else {
CollectionInstantiatorImplementor<?, ?> collectionInstantiator = ((AbstractAttribute<?, ?>) targetAttribute).getCollectionInstantiator();
return new CollectionObjectMapper(accessor, needsDirtyTracker, entityViewKindMapping != EntityViewKindMapping.MARK_NEW, collectionInstantiator, valueMapper);
}
} else if (targetAttribute.isSubview()) {
attributeType = ((SingularAttribute<?, ?>) targetAttribute).getType();
if (subMapperKey != null) {
attributeType = subMapperKey.targetType;
constructor = subMapperKey.targetConstructor;
}
Type<?> type = (sourceAttribute == null) ? null : ((SingularAttribute<?, ?>) sourceAttribute).getType();
ViewMapper<Object, Object> mapper = createViewMapper(type, attributeType, constructor, ignoreMissing, maybeMarkNew, entityViewManager, proxyFactory, newPrefix, subMappers);
return new AttributeObjectMapper(accessor, mapper);
} else if ((sourceAttribute != null) && (targetAttribute.getConvertedJavaType() != sourceAttribute.getConvertedJavaType())) {
throw inconvertible("Attribute '" + targetAttribute.getName() + "' from target type has a different type than in source type!", sourceType, targetType);
} else {
return new PassthroughObjectMapper(accessor);
}
}
use of com.blazebit.persistence.view.impl.accessor.AttributeAccessor in project blaze-persistence by Blazebit.
the class Mappers method forViewToEntityAttributeMapping.
public static <S, T> Mapper<S, T> forViewToEntityAttributeMapping(EntityViewManagerImpl evm, ManagedViewType<S> sourceViewType, Class<T> targetEntityClass, Map<String, String> mapping) {
EntityMetamodel metamodel = evm.getCriteriaBuilderFactory().getService(EntityMetamodel.class);
List<AttributeAccessor> source = new ArrayList<>(mapping.size());
List<AttributeAccessor> target = new ArrayList<>(mapping.size());
for (Map.Entry<String, String> entry : mapping.entrySet()) {
source.add(Accessors.forViewAttributePath(evm, sourceViewType, entry.getKey(), true));
target.add(Accessors.forEntityMapping(evm, targetEntityClass, entry.getValue()));
}
return new AttributeMapper<>(source, target);
}
use of com.blazebit.persistence.view.impl.accessor.AttributeAccessor in project blaze-persistence by Blazebit.
the class Mappers method forViewConvertToViewAttributeMapping.
public static <S, T> Mapper<S, T> forViewConvertToViewAttributeMapping(EntityViewManagerImpl evm, ViewType<S> sourceViewType, ViewType<T> targetViewType, Map<String, String> mapping, Mapper<S, T> additionalMapper) {
List<Mapper<S, T>> mappers = new ArrayList<>();
ExpressionFactory ef = evm.getCriteriaBuilderFactory().getService(ExpressionFactory.class);
for (MethodAttribute<?, ?> attribute : targetViewType.getAttributes()) {
if (attribute.isUpdatable() && attribute instanceof MappingAttribute<?, ?> && attribute instanceof SingularAttribute<?, ?>) {
for (Map.Entry<String, String> entry : mapping.entrySet()) {
if (entry.getValue().equals(((MappingAttribute) attribute).getMapping())) {
Type<?> attributeType = ((SingularAttribute<?, ?>) attribute).getType();
AttributeAccessor entityAccessor;
if (entry.getKey().isEmpty()) {
entityAccessor = Accessors.forEntityMapping(evm, sourceViewType.getEntityClass(), ((MappingAttribute<?, ?>) sourceViewType.getIdAttribute()).getMapping());
} else {
entityAccessor = Accessors.forEntityMapping(evm, sourceViewType.getEntityClass(), entry.getKey());
}
AttributeAccessor targetAttributeAccessor = Accessors.forMutableViewAttribute(evm, attribute);
if (attributeType instanceof ViewType<?>) {
ViewType<?> viewType = (ViewType<?>) attributeType;
Type<?> attributeViewIdType = ((SingularAttribute<?, ?>) viewType.getIdAttribute()).getType();
EntityTupleizer entityTupleizer = null;
ObjectBuilder<?> idViewBuilder = null;
if (attributeViewIdType instanceof ManagedViewType<?>) {
entityTupleizer = new DefaultEntityTupleizer(evm, (ManagedViewType<?>) attributeViewIdType);
idViewBuilder = (ObjectBuilder<Object>) evm.getTemplate(new MacroConfigurationExpressionFactory(ef, ef.getDefaultMacroConfiguration()), (ManagedViewTypeImplementor<?>) attributeViewIdType, null, null, new MutableViewJpqlMacro(), null, new MutableEmbeddingViewJpqlMacro(), 0).createObjectBuilder(null, null, null, 0, false, false);
}
mappers.add(new ReferenceViewAttributeMapper<S, T>(evm, entityAccessor, viewType.getJavaType(), entityTupleizer, targetAttributeAccessor, idViewBuilder));
} else {
mappers.add((Mapper<S, T>) new AttributeMapper<>(Collections.singletonList(entityAccessor), Collections.singletonList(targetAttributeAccessor)));
}
}
}
}
}
if (mappers.isEmpty()) {
return additionalMapper;
}
return new CompositeMapper<>(mappers.toArray(new Mapper[mappers.size()]));
}
use of com.blazebit.persistence.view.impl.accessor.AttributeAccessor in project blaze-persistence by Blazebit.
the class IndexedListAttributeFlusher method determineCollectionActions.
@Override
protected List<CollectionAction<Collection<?>>> determineCollectionActions(UpdateContext context, V initial, V current, EqualityChecker equalityChecker) {
// We try to find a common prefix and from that on, we infer actions
List<CollectionAction<Collection<?>>> actions = new ArrayList<>();
int lastUnmatchedIndex = 0;
if (initial != null && !initial.isEmpty()) {
int initialSize = initial.size();
if (elementDescriptor.isSubview() && elementDescriptor.isIdentifiable()) {
final AttributeAccessor subviewIdAccessor = elementDescriptor.getViewToEntityMapper().getViewIdAccessor();
for (int i = 0; i < initialSize; i++) {
Object initialViewId = subviewIdAccessor.getValue(initial.get(i));
if (i < current.size()) {
Object currentViewId = subviewIdAccessor.getValue(current.get(i));
if (!initialViewId.equals(currentViewId)) {
break;
} else {
lastUnmatchedIndex++;
}
} else {
// remove all following elements and Keep the same index 'i'
if (i < initialSize) {
for (int j = i; j < initialSize - 1; j++) {
actions.add((CollectionAction<Collection<?>>) (CollectionAction<?>) new ListRemoveAction<>(i, false, initial));
}
actions.add((CollectionAction<Collection<?>>) (CollectionAction<?>) new ListRemoveAction<>(i, true, initial));
}
// Break since there are no more elements to check
lastUnmatchedIndex = initialSize;
break;
}
}
} else {
for (int i = 0; i < initialSize; i++) {
Object initialElement = initial.get(i);
if (i < current.size()) {
Object viewElement = current.get(i);
if (!equalityChecker.isEqual(context, initialElement, viewElement)) {
break;
} else {
lastUnmatchedIndex++;
}
} else {
// remove all following elements and Keep the same index 'i'
if (i < initialSize) {
for (int j = i; j < initialSize - 1; j++) {
actions.add((CollectionAction<Collection<?>>) (CollectionAction<?>) new ListRemoveAction<>(i, false, initial));
}
actions.add((CollectionAction<Collection<?>>) (CollectionAction<?>) new ListRemoveAction<>(i, true, initial));
}
// Break since there are no more elements to check
lastUnmatchedIndex = initialSize;
break;
}
}
}
// Remove remaining elements in the list that couldn't be matched
if (lastUnmatchedIndex < initialSize) {
for (int i = lastUnmatchedIndex; i < initialSize - 1; i++) {
actions.add((CollectionAction<Collection<?>>) (CollectionAction<?>) new ListRemoveAction<>(lastUnmatchedIndex, false, initial));
}
actions.add((CollectionAction<Collection<?>>) (CollectionAction<?>) new ListRemoveAction<>(lastUnmatchedIndex, true, initial));
}
}
// Add new elements that are not matched
if (lastUnmatchedIndex < current.size()) {
for (int i = lastUnmatchedIndex; i < current.size(); i++) {
actions.add((CollectionAction<Collection<?>>) (CollectionAction<?>) new ListAddAction<>(lastUnmatchedIndex, true, current.get(i)));
}
}
return actions;
}
use of com.blazebit.persistence.view.impl.accessor.AttributeAccessor in project blaze-persistence by Blazebit.
the class InverseFlusher method forAttribute.
public static <E> InverseFlusher<E> forAttribute(EntityViewManagerImpl evm, Map<Object, EntityViewUpdaterImpl> localCache, ManagedViewType<?> viewType, AbstractMethodAttribute<?, ?> attribute, TypeDescriptor childTypeDescriptor, EntityViewUpdaterImpl owner, String ownerMapping) {
if (attribute.getMappedBy() != null) {
String attributeLocation = attribute.getLocation();
Type<?> elementType = attribute instanceof PluralAttribute<?, ?, ?> ? ((PluralAttribute<?, ?, ?>) attribute).getElementType() : ((SingularAttribute<?, ?>) attribute).getType();
Class<?> elementEntityClass = null;
AttributeAccessor parentReferenceAttributeAccessor = null;
Mapper<Object, Object> parentEntityOnChildViewMapper = null;
Mapper<Object, Object> parentEntityOnChildEntityAddMapper = null;
Mapper<Object, Object> parentEntityOnChildEntityRemoveMapper = null;
TargetViewClassBasedInverseViewToEntityMapper childViewToEntityMapper = null;
InverseEntityToEntityMapper childEntityToEntityMapper = null;
ViewToEntityMapper parentReferenceViewToEntityMapper = new LoadOnlyViewToEntityMapper(new ReferenceEntityLoader(evm, viewType, EntityViewUpdaterImpl.createViewIdMapper(evm, localCache, viewType)), Accessors.forViewId(evm, (ViewType<?>) viewType, true), evm.getEntityIdAccessor());
ViewToEntityMapper childReferenceViewToEntityMapper = null;
TypeDescriptor parentReferenceTypeDescriptor = TypeDescriptor.forInverseAttribute(parentReferenceViewToEntityMapper);
if (attribute.getWritableMappedByMappings() != null) {
// This happens when the mapped by attribute is insertable=false and updatable=false
if (childTypeDescriptor.isSubview()) {
ViewType<?> childViewType = (ViewType<?>) elementType;
elementEntityClass = childViewType.getEntityClass();
Map<Class<?>, Mapper<Object, Object>> mappers = new HashMap<>();
for (ManagedViewType<?> type : attribute.getViewTypes()) {
Mapper<Object, Object> mapper = Mappers.forViewConvertToViewAttributeMapping(evm, (ViewType<Object>) viewType, (ViewType<Object>) type, attribute.getWritableMappedByMappings(), (Mapper<Object, Object>) Mappers.forEntityAttributeMappingConvertToViewAttributeMapping(evm, viewType.getEntityClass(), type, attribute.getWritableMappedByMappings()));
if (mapper == null) {
mapper = NoopMapper.INSTANCE;
}
mappers.put(type.getJavaType(), mapper);
}
parentEntityOnChildViewMapper = (Mapper<Object, Object>) Mappers.targetViewClassBasedMapper(mappers);
parentEntityOnChildEntityAddMapper = parentEntityOnChildEntityRemoveMapper = (Mapper<Object, Object>) Mappers.forEntityAttributeMapping(evm, viewType.getEntityClass(), childViewType.getEntityClass(), attribute.getWritableMappedByMappings());
childReferenceViewToEntityMapper = new LoadOrPersistViewToEntityMapper(attributeLocation, evm, childViewType.getJavaType(), attribute.getReadOnlyAllowedSubtypes(), attribute.getPersistCascadeAllowedSubtypes(), attribute.getUpdateCascadeAllowedSubtypes(), new ReferenceEntityLoader(evm, childViewType, EntityViewUpdaterImpl.createViewIdMapper(evm, localCache, childViewType)), Accessors.forViewId(evm, childViewType, true), evm.getEntityIdAccessor(), true, owner, ownerMapping, localCache);
} else if (childTypeDescriptor.isJpaEntity()) {
Class<?> childType = elementType.getJavaType();
elementEntityClass = childType;
parentEntityOnChildViewMapper = (Mapper<Object, Object>) Mappers.forEntityAttributeMapping(evm, viewType.getEntityClass(), childType, attribute.getWritableMappedByMappings());
parentEntityOnChildEntityAddMapper = parentEntityOnChildEntityRemoveMapper = (Mapper<Object, Object>) Mappers.forEntityAttributeMapping(evm, viewType.getEntityClass(), elementEntityClass, attribute.getWritableMappedByMappings());
}
} else {
if (childTypeDescriptor.isSubview()) {
ViewType<?> childViewType = (ViewType<?>) elementType;
elementEntityClass = childViewType.getEntityClass();
parentReferenceAttributeAccessor = Accessors.forEntityMapping(evm, childViewType.getEntityClass(), attribute.getMappedBy());
childReferenceViewToEntityMapper = new LoadOrPersistViewToEntityMapper(attributeLocation, evm, childViewType.getJavaType(), attribute.getReadOnlyAllowedSubtypes(), attribute.getPersistCascadeAllowedSubtypes(), attribute.getUpdateCascadeAllowedSubtypes(), new ReferenceEntityLoader(evm, childViewType, EntityViewUpdaterImpl.createViewIdMapper(evm, localCache, childViewType)), Accessors.forViewId(evm, childViewType, true), evm.getEntityIdAccessor(), true, owner, ownerMapping, localCache);
parentEntityOnChildEntityAddMapper = parentEntityOnChildEntityRemoveMapper = Mappers.forAccessor(parentReferenceAttributeAccessor);
Map<Class<?>, Mapper<Object, Object>> mappers = new HashMap<>();
for (ManagedViewType<?> type : attribute.getViewTypes()) {
Mapper<Object, Object> mapper = (Mapper<Object, Object>) Mappers.forViewConvertToViewAttributeMapping(evm, (ViewType<Object>) viewType, (ViewType<Object>) type, attribute.getMappedBy(), null);
if (mapper == null) {
mapper = NoopMapper.INSTANCE;
}
mappers.put(type.getJavaType(), mapper);
}
parentEntityOnChildViewMapper = (Mapper<Object, Object>) Mappers.targetViewClassBasedMapper(mappers);
} else if (childTypeDescriptor.isJpaEntity()) {
Class<?> childType = elementType.getJavaType();
elementEntityClass = childType;
parentReferenceAttributeAccessor = Accessors.forEntityMapping(evm, childType, attribute.getMappedBy());
parentEntityOnChildEntityAddMapper = parentEntityOnChildEntityRemoveMapper = Mappers.forAccessor(parentReferenceAttributeAccessor);
parentEntityOnChildViewMapper = Mappers.forAccessor(parentReferenceAttributeAccessor);
}
}
DirtyAttributeFlusher<?, Object, ? extends Object> parentReferenceAttributeFlusher;
ManagedType<?> managedType = evm.getMetamodel().getEntityMetamodel().getManagedType(elementEntityClass);
Attribute<?, ?> inverseAttribute = JpaMetamodelUtils.getAttribute(managedType, attribute.getMappedBy());
// Many-To-Many relation can't be handled by the inverse flushers
if (inverseAttribute != null && inverseAttribute.isCollection()) {
// A collection can only have a single attribute, so it's safe to assume a SimpleMapper
parentEntityOnChildEntityAddMapper = new CollectionAddMapper<>(parentEntityOnChildEntityAddMapper == null ? parentReferenceAttributeAccessor : ((SimpleMapper<Object, Object>) parentEntityOnChildEntityAddMapper).getAttributeAccessor());
parentEntityOnChildEntityRemoveMapper = new CollectionRemoveMapper<>(parentEntityOnChildEntityRemoveMapper == null ? parentReferenceAttributeAccessor : ((SimpleMapper<Object, Object>) parentEntityOnChildEntityRemoveMapper).getAttributeAccessor());
parentReferenceAttributeFlusher = new ParentCollectionReferenceAttributeFlusher<>(attributeLocation, attribute.getMappedBy(), viewType.getFlushStrategy(), parentReferenceAttributeAccessor, null, null, null, TypeDescriptor.forInverseCollectionAttribute(viewType.getEntityClass(), new EntityBasicUserType(evm.getJpaProvider())));
} else {
parentEntityOnChildEntityRemoveMapper = new NullMapper<>(parentEntityOnChildEntityRemoveMapper);
parentReferenceAttributeFlusher = new ParentReferenceAttributeFlusher<>(evm, viewType.getEntityClass(), attributeLocation, attribute.getMappedBy(), attribute.getWritableMappedByMappings(), parentReferenceTypeDescriptor, parentReferenceAttributeAccessor, parentEntityOnChildViewMapper);
}
UnmappedAttributeCascadeDeleter deleter = null;
String parentIdAttributeName = null;
String childIdAttributeName = null;
Class<?> childIdViewClass = null;
// Only construct when orphanRemoval or delete cascading is enabled, orphanRemoval implies delete cascading
if (attribute.isDeleteCascaded()) {
EntityMetamodel entityMetamodel = evm.getMetamodel().getEntityMetamodel();
ExtendedManagedType<?> ownerManagedType = entityMetamodel.getManagedType(ExtendedManagedType.class, viewType.getEntityClass());
ExtendedManagedType<?> elementManagedType = entityMetamodel.getManagedType(ExtendedManagedType.class, elementEntityClass);
parentIdAttributeName = ownerManagedType.getIdAttribute().getName();
childIdAttributeName = elementManagedType.getIdAttribute().getName();
String mapping = attribute.getMappedBy();
if (mapping != null) {
if (mapping.isEmpty()) {
deleter = new UnmappedWritableBasicAttributeSetNullCascadeDeleter(evm, ownerManagedType.getType(), elementManagedType, attribute.getWritableMappedByMappings());
} else {
ExtendedAttribute extendedAttribute = elementManagedType.getAttribute(mapping);
if (childTypeDescriptor.isSubview()) {
if (elementType instanceof ViewType<?>) {
MethodAttribute<?, ?> idAttribute = ((ViewType<?>) elementType).getIdAttribute();
if (idAttribute.isSubview()) {
// in this case, we need to fetch the id as view as the deleter expects it this way
childIdViewClass = idAttribute.getJavaType();
}
}
deleter = new ViewTypeCascadeDeleter(childTypeDescriptor.getViewToEntityMapper());
} else if (childTypeDescriptor.isJpaEntity()) {
deleter = new UnmappedBasicAttributeCascadeDeleter(evm, mapping, extendedAttribute, mapping + "." + parentIdAttributeName, false);
}
}
}
}
if (childTypeDescriptor.isSubview()) {
InverseViewToEntityMapper<?> first = null;
Map<Class<?>, InverseViewToEntityMapper<?>> mappers = new HashMap<>();
for (ManagedViewType<?> type : attribute.getViewTypes()) {
InverseViewToEntityMapper inverseViewToEntityMapper = new InverseViewToEntityMapper(evm, localCache, (ViewType<?>) type, parentEntityOnChildViewMapper, parentEntityOnChildEntityAddMapper, parentEntityOnChildEntityRemoveMapper, childTypeDescriptor.getViewToEntityMapper(), parentReferenceAttributeFlusher, EntityViewUpdaterImpl.createIdFlusher(evm, localCache, (ViewType<?>) type, EntityViewUpdaterImpl.createViewIdMapper(evm, localCache, type)));
mappers.put(type.getJavaType(), inverseViewToEntityMapper);
if (type == elementType) {
first = inverseViewToEntityMapper;
}
}
childViewToEntityMapper = new TargetViewClassBasedInverseViewToEntityMapper(first, mappers);
} else if (childTypeDescriptor.isJpaEntity()) {
Class<?> childType = elementType.getJavaType();
childEntityToEntityMapper = new InverseEntityToEntityMapper(evm, evm.getMetamodel().getEntityMetamodel().entity(childType), parentEntityOnChildEntityAddMapper, parentEntityOnChildEntityRemoveMapper, parentReferenceAttributeFlusher);
}
return new InverseFlusher(viewType.getEntityClass(), attribute.getMapping(), parentIdAttributeName, childIdAttributeName, childIdViewClass, deleter, parentReferenceViewToEntityMapper, parentReferenceAttributeFlusher, parentEntityOnChildViewMapper, childViewToEntityMapper, childReferenceViewToEntityMapper, parentEntityOnChildEntityAddMapper, childEntityToEntityMapper);
}
return null;
}
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