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Java > Open Source Codes > org > springframework > jdbc > support > incrementer > DataFieldMaxValueIncrementer


1 /*
2  * Copyright 2002-2007 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  * 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.springframework.jdbc.support.incrementer;
18
19 import org.springframework.dao.DataAccessException;
20
21 /**
22  * Interface that defines contract of incrementing any data store field's
23  * maximum value. Works much like a sequence number generator.
24  *
25  * <p>Typical implementations may use standard SQL, native RDBMS sequences
26  * or Stored Procedures to do the job.
27  *
28  * @author Dmitriy Kopylenko
29  * @author Isabelle Muszynski
30  * @author Jean-Pierre Pawlak
31  */
32 public interface DataFieldMaxValueIncrementer {
33
34     /**
35      * Increment the data store field's max value as int.
36      * @return int next data store value such as <b>max + 1</b>
37      * @throws org.springframework.dao.DataAccessException in case of errors
38      */
39     int nextIntValue() throws DataAccessException;
40
41     /**
42      * Increment the data store field's max value as long.
43      * @return int next data store value such as <b>max + 1</b>
44      * @throws org.springframework.dao.DataAccessException in case of errors
45      */
46     long nextLongValue() throws DataAccessException;
47
48     /**
49      * Increment the data store field's max value as String.
50      * @return next data store value such as <b>max + 1</b>
51      * @throws org.springframework.dao.DataAccessException in case of errors
52      */
53     String JavaDoc nextStringValue() throws DataAccessException;
54
55 }
56
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