View Javadoc
1   /*
2    *    Copyright 2010-2022 the original author or authors.
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    *       https://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  package org.apache.ibatis.migration;
17  
18  import java.io.Reader;
19  import java.util.List;
20  
21  public interface MigrationLoader {
22  
23    /**
24     * @return A list of migrations (bootstrap should NOT be included).
25     */
26    List<Change> getMigrations();
27  
28    /**
29     * @param change
30     *          identifies the migration to read.
31     * @param undo
32     *          whether the caller requests UNDO SQL script or not.
33     *
34     * @return A {@link Reader} of the specified SQL script.
35     */
36    Reader getScriptReader(Change change, boolean undo);
37  
38    /**
39     * @return A {@link Reader} of the bootstrap SQL script.
40     */
41    Reader getBootstrapReader();
42  
43    /**
44     * @return A {@link Reader} of the onabort SQL script.
45     */
46    Reader getOnAbortReader();
47  
48  }