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Spring Framework example source code file (HsqlSequenceMaxValueIncrementer.java)

This example Spring Framework source code file (HsqlSequenceMaxValueIncrementer.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

abstractsequencemaxvalueincrementer, abstractsequencemaxvalueincrementer, hsqlsequencemaxvalueincrementer, hsqlsequencemaxvalueincrementer, sql, string, string

The Spring Framework HsqlSequenceMaxValueIncrementer.java source code

/*
 * Copyright 2002-2008 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 javax.sql.DataSource;

/**
 * {@link DataFieldMaxValueIncrementer} that retrieves the next value of a given HSQL sequence.
 * Thanks to Guillaume Bilodeau for the suggestion!
 *
 * <p>NOTE: This is an alternative to using a regular table to support generating
 * unique keys that was necessary in previous versions of HSQL.
 *
 * @author Thomas Risberg
 * @since 2.5
 * @see HsqlMaxValueIncrementer
 */
public class HsqlSequenceMaxValueIncrementer extends AbstractSequenceMaxValueIncrementer {

	/**
	 * Default constructor for bean property style usage.
	 * @see #setDataSource
	 * @see #setIncrementerName
	 */
	public HsqlSequenceMaxValueIncrementer() {
	}

	/**
	 * Convenience constructor.
	 * @param dataSource the DataSource to use
	 * @param incrementerName the name of the sequence/table to use
	 */
	public HsqlSequenceMaxValueIncrementer(DataSource dataSource, String incrementerName) {
		super(dataSource, incrementerName);
	}


	protected String getSequenceQuery() {
		return "call next value for " + getIncrementerName();
	}

}

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