core/runtime/src/main/java/org/apache/zest/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.zest.runtime.value;

import org.apache.zest.api.entity.EntityReference;
import org.apache.zest.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;
    }
}