001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.metamodel.adapter.oid;
021
022import org.apache.isis.core.commons.ensure.Assert;
023import org.apache.isis.core.metamodel.adapter.version.Version;
024
025
026/**
027 * Base type of the {@link Oid} for collections and for <tt>@Aggregated</tt>
028 * types.
029 * 
030 * @see AggregatedOid
031 * @see CollectionOid
032 */
033public abstract class ParentedOid implements Oid {
034
035    private final TypedOid parentOid;
036    
037    public ParentedOid(TypedOid parentOid) {
038        Assert.assertNotNull("parentOid required", parentOid);
039        this.parentOid = parentOid;
040    }
041
042    public TypedOid getParentOid() {
043        return parentOid;
044    }
045
046    @Override
047    public Version getVersion() {
048        return parentOid.getVersion();
049    }
050
051    @Override
052    public void setVersion(Version version) {
053        parentOid.setVersion(version);
054    }
055
056
057    @Override
058    public boolean isTransient() {
059        return getParentOid().isTransient();
060    }
061    
062    @Override
063    public boolean isViewModel() {
064        return getParentOid().isViewModel();
065    }
066    
067    @Override
068    public boolean isPersistent() {
069        return getParentOid().isPersistent();
070    }
071
072
073    // /////////////////////////////////////////////////////////
074    // toString
075    // /////////////////////////////////////////////////////////
076
077    @Override
078    public String toString() {
079        return enString(new OidMarshaller());
080    }
081
082
083}