1   /*  Copyright 2004 Brian McCallister
2    *
3    *   Licensed under the Apache License, Version 2.0 (the "License");
4    *   you may not use this file except in compliance with the License.
5    *   You may obtain a copy of the License at
6    *
7    *       http://www.apache.org/licenses/LICENSE-2.0
8    *
9    *   Unless required by applicable law or agreed to in writing, software
10   *   distributed under the License is distributed on an "AS IS" BASIS,
11   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   *   See the License for the specific language governing permissions and
13   *   limitations under the License.
14   */
15  package org.skife.lucene.graph.helper;
16  
17  import org.skife.lucene.graph.MetadataFactory;
18  import org.apache.lucene.document.Field;
19  
20  public class IdentityMetadataFactory implements MetadataFactory
21  {
22      public Field[] build(final Object entity)
23      {
24          if (entity instanceof Identifiable)
25          {
26              return new Field[0];
27          }
28          else
29          {
30              return new Field[0];
31          }
32      }
33  }