core/runtime/src/main/java/org/apache/polygene/runtime/value/ReferenceProperty.java

/*
 *  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.polygene.runtime.value;

import org.apache.polygene.api.entity.EntityReference;
import org.apache.polygene.api.property.Property;

/**
 * The reference for an Association
 */
public class ReferenceProperty
    implements Property<EntityReference>
{
    EntityReference reference;

    public ReferenceProperty()
    {
    }

    public ReferenceProperty( EntityReference reference )
    {
        this.reference = reference;
    }

    @Override
    public EntityReference get()
    {
        return reference;
    }

    @Override
    public void set( EntityReference newValue )
        throws IllegalArgumentException, IllegalStateException
    {
        reference = newValue;
    }
}