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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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package org.apache.cayenne.reflect;
import org.apache.cayenne.Fault;
import org.apache.cayenne.Persistent;
import org.apache.cayenne.ValueHolder;
import org.apache.cayenne.util.PersistentObjectList;
/**
* Provides access to a property implemented as a List Field.
*
* @since 1.2
* @deprecated since 3.0 replaced by non-public classes.
*/
public class ListProperty extends BaseToManyProperty {
public ListProperty(ClassDescriptor owner, ClassDescriptor targetDescriptor,
Accessor accessor, String reverseName) {
super(owner, targetDescriptor, accessor, reverseName);
}
/**
* Creates a List for an object. Expects an object to be an instance of Persistent.
*/
@Override
protected ValueHolder createCollectionValueHolder(Object object)
throws PropertyException {
if (!(object instanceof Persistent)) {
throw new PropertyException(
"ValueHolders for non-persistent objects are not supported.",
this,
object);
}
return new PersistentObjectList((Persistent) object, getName());
}
@Override
public boolean isFault(Object object) {
Object target = accessor.getValue(object);
return target == null
|| target instanceof Fault
|| ((ValueHolder) target).isFault();
}
public void invalidate(Object object) {
ValueHolder list = (ValueHolder) readPropertyDirectly(object);
if(list != null) {
list.invalidate();
}
}
}