spring-batch DataSourceConfiguration 源码

2022-08-16
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spring-batch DataSourceConfiguration 代码

文件路径：/spring-batch-samples/src/main/java/org/springframework/batch/sample/config/DataSourceConfiguration.java

/*
 * Copyright 2012-2021 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
 *
 *      https://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.batch.sample.config;

import jakarta.annotation.PostConstruct;
import javax.sql.DataSource;

import org.apache.commons.dbcp2.BasicDataSource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.core.io.ResourceLoader;
import org.springframework.jdbc.datasource.init.DatabasePopulatorUtils;
import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;

/**
 * @author Dave Syer
 * @author Mahmoud Ben Hassine
 *
 */
@Configuration
@PropertySource("classpath:/batch-hsql.properties")
public class DataSourceConfiguration {

	@Autowired
	private Environment environment;

	@Autowired
	private ResourceLoader resourceLoader;

	@PostConstruct
	protected void initialize() {
		ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
		populator.addScript(resourceLoader.getResource(environment.getProperty("batch.schema.script")));
		populator.setContinueOnError(true);
		DatabasePopulatorUtils.execute(populator, dataSource());
	}

	@Bean(destroyMethod = "close")
	public DataSource dataSource() {
		BasicDataSource dataSource = new BasicDataSource();
		dataSource.setDriverClassName(environment.getProperty("batch.jdbc.driver"));
		dataSource.setUrl(environment.getProperty("batch.jdbc.url"));
		dataSource.setUsername(environment.getProperty("batch.jdbc.user"));
		dataSource.setPassword(environment.getProperty("batch.jdbc.password"));
		return dataSource;
	}

}

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所属分类： 后端技术
本文标签： Java Spring
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