test.jdbc.datasource.DerbyShutdownBean.java Source code

Java tutorial

Introduction

Here is the source code for test.jdbc.datasource.DerbyShutdownBean.java

Source

/*
 * Copyright 2010-2012 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 test.jdbc.datasource;

import java.sql.SQLException;

import javax.sql.DataSource;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.derby.jdbc.EmbeddedDataSource;
import org.springframework.beans.factory.DisposableBean;

public class DerbyShutdownBean implements DisposableBean {

    private static Log logger = LogFactory.getLog(DerbyShutdownBean.class);

    private DataSource dataSource;

    private boolean isShutdown = false;

    public void setDataSource(DataSource dataSource) {
        this.dataSource = dataSource;
    }

    @Override
    public void destroy() throws Exception {
        logger.info("Attempting Derby database shut down on: " + dataSource);
        if (!isShutdown && dataSource != null && dataSource instanceof EmbeddedDataSource) {
            EmbeddedDataSource ds = (EmbeddedDataSource) dataSource;
            try {
                ds.setShutdownDatabase("shutdown");
                ds.getConnection();
            } catch (SQLException except) {
                if (except.getSQLState().equals("08006")) {
                    // SQLState derby throws when shutting down the database
                    logger.info("Derby database is now shut down.");
                    isShutdown = true;
                } else {
                    logger.error("Problem shutting down Derby " + except.getMessage());
                }
            }
        }
    }

}