001/* 002 * Copyright 2002-2007 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.jdbc.support.incrementer; 018 019import org.springframework.dao.DataAccessException; 020 021/** 022 * Interface that defines contract of incrementing any data store field's 023 * maximum value. Works much like a sequence number generator. 024 * 025 * <p>Typical implementations may use standard SQL, native RDBMS sequences 026 * or Stored Procedures to do the job. 027 * 028 * @author Dmitriy Kopylenko 029 * @author Jean-Pierre Pawlak 030 * @author Juergen Hoeller 031 */ 032public interface DataFieldMaxValueIncrementer { 033 034 /** 035 * Increment the data store field's max value as int. 036 * @return int next data store value such as <b>max + 1</b> 037 * @throws org.springframework.dao.DataAccessException in case of errors 038 */ 039 int nextIntValue() throws DataAccessException; 040 041 /** 042 * Increment the data store field's max value as long. 043 * @return int next data store value such as <b>max + 1</b> 044 * @throws org.springframework.dao.DataAccessException in case of errors 045 */ 046 long nextLongValue() throws DataAccessException; 047 048 /** 049 * Increment the data store field's max value as String. 050 * @return next data store value such as <b>max + 1</b> 051 * @throws org.springframework.dao.DataAccessException in case of errors 052 */ 053 String nextStringValue() throws DataAccessException; 054 055}