/src/com/google/appengine/datanucleus/annotations/UnownedHandler.java

 1/*
 2 * Copyright (C) 2011 Google Inc
 3 *
 4 * Licensed under the Apache License, Version 2.0 (the "License");
 5 * you may not use this file except in compliance with the License.
 6 * You may obtain a copy of the License at
 7 *
 8 * http://www.apache.org/licenses/LICENSE-2.0
 9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.google.appengine.datanucleus.annotations;
17
18import org.datanucleus.ClassLoaderResolver;
19import org.datanucleus.metadata.AbstractMemberMetaData;
20import org.datanucleus.metadata.annotations.AnnotationObject;
21import org.datanucleus.metadata.annotations.MemberAnnotationHandler;
22
23/**
24 * Handler for the {@link Unowned} annotation when applied to a field/property of a persistable class.
25 * Adds the metadata extension "gae.unowned" as "true" for the member in question.
26 */
27public class UnownedHandler implements MemberAnnotationHandler
28{
29  public void processMemberAnnotation(AnnotationObject ann, AbstractMemberMetaData mmd, ClassLoaderResolver clr) {
30    mmd.addExtension("gae.unowned", "true");
31  }
32}