001/*
002 * Copyright 2002-2018 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 javax.sql.DataSource;
020
021/**
022 * {@link DataFieldMaxValueIncrementer} that retrieves the next value
023 * of a given sequence on DB2 for the mainframe (z/OS, DB2/390, DB2/400).
024 *
025 * <p>Thanks to Jens Eickmeyer for the suggestion!
026 *
027 * @author Juergen Hoeller
028 * @since 4.3.15
029 * @see Db2LuwMaxValueIncrementer
030 */
031public class Db2MainframeMaxValueIncrementer extends AbstractSequenceMaxValueIncrementer {
032
033        /**
034         * Default constructor for bean property style usage.
035         * @see #setDataSource
036         * @see #setIncrementerName
037         */
038        public Db2MainframeMaxValueIncrementer() {
039        }
040
041        /**
042         * Convenience constructor.
043         * @param dataSource the DataSource to use
044         * @param incrementerName the name of the sequence/table to use
045         */
046        public Db2MainframeMaxValueIncrementer(DataSource dataSource, String incrementerName) {
047                super(dataSource, incrementerName);
048        }
049
050
051        @Override
052        protected String getSequenceQuery() {
053                return "select next value for " + getIncrementerName() + " from sysibm.sysdummy1";
054        }
055
056}