/*
* Copyright 2002-2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.jdbc.support.incrementer;
import org.springframework.dao.DataAccessException;
/**
* Interface that defines contract of incrementing any data store field's
* maximum value. Works much like a sequence number generator.
*
* <p>Typical implementations may use standard SQL, native RDBMS sequences
* or Stored Procedures to do the job.
*
* @author Dmitriy Kopylenko
* @author Jean-Pierre Pawlak
* @author Juergen Hoeller
*/
public interface DataFieldMaxValueIncrementer {
/**
* Increment the data store field's max value as int.
* @return int next data store value such as <b>max + 1</b>
* @throws org.springframework.dao.DataAccessException in case of errors
*/
int nextIntValue() throws DataAccessException;
/**
* Increment the data store field's max value as long.
* @return int next data store value such as <b>max + 1</b>
* @throws org.springframework.dao.DataAccessException in case of errors
*/
long nextLongValue() throws DataAccessException;
/**
* Increment the data store field's max value as String.
* @return next data store value such as <b>max + 1</b>
* @throws org.springframework.dao.DataAccessException in case of errors
*/
String nextStringValue() throws DataAccessException;
}
|