org.apache.cayenne.reflect.valueholder.ValueHolderSetProperty Maven / Gradle / Ivy

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An aggregation of 1.4, 1.5 modules into an ROP client jar.

There is a newer version: 4.2.1

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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 org.apache.cayenne.Persistent;
import org.apache.cayenne.ValueHolder;
import org.apache.cayenne.reflect.Accessor;
import org.apache.cayenne.reflect.ClassDescriptor;
import org.apache.cayenne.reflect.PropertyException;
import org.apache.cayenne.util.PersistentObjectSet;

/**
 * @since 3.0
 */
class ValueHolderSetProperty extends ValueHolderToManyProperty {

    ValueHolderSetProperty(ClassDescriptor owner, ClassDescriptor targetDescriptor,
            Accessor accessor, String reverseName) {
        super(owner, targetDescriptor, accessor, reverseName);
    }

    @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 PersistentObjectSet((Persistent) object, getName());
    }
}