/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.deltaspike.jpa.spi.descriptor.xml;
import java.util.List;
public final class AbstractEntityHierarchyBuilder
{
private AbstractEntityHierarchyBuilder()
{
}
public static void buildHierarchy(List<EntityDescriptor> entities, List<MappedSuperclassDescriptor> superClasses)
{
for (EntityDescriptor descriptor : entities)
{
buildHierarchy(descriptor, entities, superClasses);
}
}
protected static void buildHierarchy(AbstractEntityDescriptor descriptor,
List<EntityDescriptor> entities, List<MappedSuperclassDescriptor> superClasses)
{
Class<?> superClass = descriptor.getEntityClass().getSuperclass();
while (superClass != null)
{
AbstractEntityDescriptor superDescriptor =
findPersistentClassDescriptor(superClass, entities, superClasses);
if (superDescriptor != null)
{
if (descriptor.getParent() == null)
{
buildHierarchy(superDescriptor, entities, superClasses);
}
descriptor.setParent(superDescriptor);
return;
}
superClass = superClass.getSuperclass();
}
}
protected static AbstractEntityDescriptor findPersistentClassDescriptor(Class<?> superClass,
List<EntityDescriptor> entities, List<MappedSuperclassDescriptor> superClasses)
{
for (MappedSuperclassDescriptor descriptor : superClasses)
{
if (descriptor.getEntityClass().equals(superClass))
{
return descriptor;
}
}
for (EntityDescriptor descriptor : entities)
{
if (descriptor.getEntityClass().equals(superClass))
{
return descriptor;
}
}
return null;
}
}