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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.valueholder;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.cayenne.ValueHolder;
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.PersistentDescriptor;
import org.apache.cayenne.reflect.PersistentDescriptorFactory;
import org.apache.cayenne.reflect.PropertyDescriptor;
/**
* A {@link ClassDescriptorFactory} for Persistent objects that implement relationship
* faulting via {@link ValueHolder}.
*
* @since 3.0
*/
public class ValueHolderDescriptorFactory extends PersistentDescriptorFactory {
public ValueHolderDescriptorFactory(ClassDescriptorMap descriptorMap) {
super(descriptorMap);
}
@Override
protected void createToManyCollectionProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
String reverseName = relationship.getReverseRelationshipName();
Accessor accessor = createAccessor(descriptor, relationship.getName(), List.class);
descriptor.addDeclaredProperty(new ValueHolderListProperty(
descriptor,
targetDescriptor,
accessor,
reverseName));
}
@Override
protected void createToManyListProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
String reverseName = relationship.getReverseRelationshipName();
Accessor accessor = createAccessor(descriptor, relationship.getName(), List.class);
descriptor.addDeclaredProperty(new ValueHolderListProperty(
descriptor,
targetDescriptor,
accessor,
reverseName));
}
@Override
protected void createToManyMapProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
String reverseName = relationship.getReverseRelationshipName();
Accessor accessor = createAccessor(descriptor, relationship.getName(), Map.class);
Accessor mapKeyAccessor = createMapKeyAccessor(relationship, targetDescriptor);
PropertyDescriptor property = new ValueHolderMapProperty(
descriptor,
targetDescriptor,
accessor,
reverseName,
mapKeyAccessor);
descriptor.addDeclaredProperty(property);
}
@Override
protected void createToManySetProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
String reverseName = relationship.getReverseRelationshipName();
Accessor accessor = createAccessor(descriptor, relationship.getName(), Set.class);
descriptor.addDeclaredProperty(new ValueHolderSetProperty(
descriptor,
targetDescriptor,
accessor,
reverseName));
}
@Override
protected void createToOneProperty(
PersistentDescriptor descriptor,
ObjRelationship relationship) {
ClassDescriptor targetDescriptor = descriptorMap.getDescriptor(relationship
.getTargetEntityName());
String reverseName = relationship.getReverseRelationshipName();
Accessor accessor = createAccessor(
descriptor,
relationship.getName(),
ValueHolder.class);
PropertyDescriptor property = new ValueHolderProperty(
descriptor,
targetDescriptor,
accessor,
reverseName);
descriptor.addDeclaredProperty(property);
}
}