Examples with MutableViewJpqlMacro com.blazebit.persistence.view.impl.macro.MutableViewJpqlMacro used on opensource projects

Example 6 with MutableViewJpqlMacro

use of com.blazebit.persistence.view.impl.macro.MutableViewJpqlMacro 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, String mappedBy, Mapper<S, T> additionalMapper) {
    List<Mapper<S, T>> mappers = new ArrayList<>();
    AttributeAccessor entityAccessor = Accessors.forEntityMapping(evm, sourceViewType.getEntityClass(), ((MappingAttribute<?, ?>) sourceViewType.getIdAttribute()).getMapping());
    ExpressionFactory ef = evm.getCriteriaBuilderFactory().getService(ExpressionFactory.class);
    for (MethodAttribute<?, ?> attribute : targetViewType.getAttributes()) {
        if (attribute.isUpdatable() && attribute instanceof MappingAttribute<?, ?> && attribute instanceof SingularAttribute<?, ?>) {
            if (mappedBy.equals(((MappingAttribute) attribute).getMapping())) {
                ViewType<?> attributeType = (ViewType<?>) ((SingularAttribute<?, ?>) attribute).getType();
                Type<?> attributeViewIdType = ((SingularAttribute<?, ?>) attributeType.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, attributeType.getJavaType(), entityTupleizer, Accessors.forMutableViewAttribute(evm, attribute), idViewBuilder));
            }
        }
    }
    if (mappers.isEmpty()) {
        return additionalMapper;
    }
    if (additionalMapper != null) {
        mappers.add(additionalMapper);
    }
    return new CompositeMapper<>(mappers.toArray(new Mapper[mappers.size()]));
}