001/*
002 * Copyright 2012-2016 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 *      http://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.boot.autoconfigure.jdbc;
018
019import javax.annotation.PreDestroy;
020
021import org.springframework.beans.factory.BeanClassLoaderAware;
022import org.springframework.boot.context.properties.EnableConfigurationProperties;
023import org.springframework.context.annotation.Bean;
024import org.springframework.context.annotation.Configuration;
025import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
026import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
027
028/**
029 * Configuration for embedded data sources.
030 *
031 * @author Phillip Webb
032 * @author Stephane Nicoll
033 * @see DataSourceAutoConfiguration
034 */
035@Configuration
036@EnableConfigurationProperties(DataSourceProperties.class)
037public class EmbeddedDataSourceConfiguration implements BeanClassLoaderAware {
038
039        private EmbeddedDatabase database;
040
041        private ClassLoader classLoader;
042
043        private final DataSourceProperties properties;
044
045        public EmbeddedDataSourceConfiguration(DataSourceProperties properties) {
046                this.properties = properties;
047        }
048
049        @Override
050        public void setBeanClassLoader(ClassLoader classLoader) {
051                this.classLoader = classLoader;
052        }
053
054        @Bean
055        public EmbeddedDatabase dataSource() {
056                EmbeddedDatabaseBuilder builder = new EmbeddedDatabaseBuilder()
057                                .setType(EmbeddedDatabaseConnection.get(this.classLoader).getType());
058                this.database = builder.setName(this.properties.getName())
059                                .generateUniqueName(this.properties.isGenerateUniqueName()).build();
060                return this.database;
061        }
062
063        @PreDestroy
064        public void close() {
065                if (this.database != null) {
066                        this.database.shutdown();
067                }
068        }
069
070}