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1   /*
2    *   Copyright 2004 The Apache Software Foundation
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   *
16   */
17  package org.apache.ldap.server.schema.bootstrap;
18  
19  
20  import javax.naming.NamingException;
21  
22  
23  /***
24   * A schema object producer which uses a callback to announce object creation
25   * rather than completely returning objects in bulk. This way registries can
26   * be populated while the producer is doing is creating schema objects.
27   *
28   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
29   * @version $Rev: 157708 $
30   */
31  public interface BootstrapProducer
32  {
33      /***
34       * Gets the type of producer this is.
35       *
36       * @return the type of the BootstrapProducer as a enum
37       */
38      ProducerTypeEnum getType();
39  
40      /***
41       * Produces schema objects announcing each one after creation via the
42       * callback before continuing on to create more objects.
43       *
44       * @param registries the registry set used by this producer
45       * @param cb the producer's callback
46       * @throws NamingException callbacks often operate upon registries and can
47       * throw these exceptions so we must throw this as well since
48       * implementations will have to call the callback methods
49       */
50      void produce( BootstrapRegistries registries, ProducerCallback cb )
51          throws NamingException;
52  }