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 H2 sequence.
024 *
025 * @author Thomas Risberg
026 * @since 2.5
027 */
028public class H2SequenceMaxValueIncrementer extends AbstractSequenceMaxValueIncrementer {
029
030        /**
031         * Default constructor for bean property style usage.
032         * @see #setDataSource
033         * @see #setIncrementerName
034         */
035        public H2SequenceMaxValueIncrementer() {
036        }
037
038        /**
039         * Convenience constructor.
040         * @param dataSource the DataSource to use
041         * @param incrementerName the name of the sequence/table to use
042         */
043        public H2SequenceMaxValueIncrementer(DataSource dataSource, String incrementerName) {
044                super(dataSource, incrementerName);
045        }
046
047
048        @Override
049        protected String getSequenceQuery() {
050                return "select " + getIncrementerName() + ".nextval from dual";
051        }
052
053}