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* 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
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package org.apache.cayenne.reflect.generic;
import org.apache.cayenne.DataObject;
import org.apache.cayenne.map.ObjAttribute;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.map.ObjRelationship;
import org.apache.cayenne.reflect.Accessor;
import org.apache.cayenne.reflect.ClassDescriptor;
import org.apache.cayenne.reflect.ClassDescriptorFactory;
import org.apache.cayenne.reflect.ClassDescriptorMap;
import org.apache.cayenne.reflect.FaultFactory;
import org.apache.cayenne.reflect.PersistentDescriptor;
import org.apache.cayenne.reflect.PersistentDescriptorFactory;
import org.apache.cayenne.reflect.PropertyException;
/**
* A {@link ClassDescriptorFactory} that creates descriptors for classes implementing
* {@link DataObject}.
*
* @since 3.0
*/
public class DataObjectDescriptorFactory extends PersistentDescriptorFactory {
protected FaultFactory faultFactory;
public DataObjectDescriptorFactory(ClassDescriptorMap descriptorMap,
FaultFactory faultFactory) {
super(descriptorMap);
this.faultFactory = faultFactory;
}
@Override
protected ClassDescriptor getDescriptor(ObjEntity entity, Class<?> entityClass) {
if (!DataObject.class.isAssignableFrom(entityClass)) {
return null;
}
return super.getDescriptor(entity, entityClass);
}
@Override
protected PersistentDescriptor createDescriptor() {
return new DataObjectDescriptor();
}
@Override
protected void createAttributeProperty(
PersistentDescriptor descriptor,
ObjAttribute attribute) {
descriptor.addDeclaredProperty(new DataObjectAttributeProperty(attribute));
}
@Override
protected void createToManyListProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
descriptor.addDeclaredProperty(new DataObjectToManyProperty(
relationship,
targetDescriptor,
faultFactory.getListFault()));
}
@Override
protected void createToManyMapProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
Accessor mapKeyAccessor = createMapKeyAccessor(relationship, targetDescriptor);
descriptor.addDeclaredProperty(new DataObjectToManyMapProperty(
relationship,
targetDescriptor,
faultFactory.getMapFault(mapKeyAccessor),
mapKeyAccessor));
}
@Override
protected void createToManySetProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
descriptor.addDeclaredProperty(new DataObjectToManyProperty(
relationship,
targetDescriptor,
faultFactory.getSetFault()));
}
@Override
protected void createToManyCollectionProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
descriptor.addDeclaredProperty(new DataObjectToManyProperty(
relationship,
targetDescriptor,
faultFactory.getCollectionFault()));
}
@Override
protected void createToOneProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
descriptor.addDeclaredProperty(new DataObjectToOneProperty(
relationship,
targetDescriptor,
faultFactory.getToOneFault()));
}
@Override
protected Accessor createAccessor(
PersistentDescriptor descriptor,
String propertyName,
Class<?> propertyType) throws PropertyException {
return new DataObjectAccessor(propertyName);
}
}