com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder Maven / Gradle / Ivy
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/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* 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 com.alibaba.druid.spring.boot.autoconfigure;
import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.core.env.Environment;
/**
* @author lihengming [[email protected]]
*/
public class DruidDataSourceBuilder {
public static DruidDataSourceBuilder create() {
return new DruidDataSourceBuilder();
}
/**
* For build multiple DruidDataSource, detail see document.
*
* -------
* The method is history, and now you can use 'new DruidDataSourceWrapper()' instead.
*/
public DruidDataSource build() {
return new DruidDataSourceWrapper();
}
/**
* For issue #1796, use Spring Environment by specify configuration properties prefix to build DruidDataSource.
*
* 这是为了兼容 Spring Boot 1.X 中 .properties 内配置属性不能按照配置声明顺序进行绑定，进而导致配置出错（issue #1796 ）而提供的方法。
* 如果你不存在上述问题或者使用 .yml 进行配置则不必使用该方法，使用上面的{@link DruidDataSourceBuilder#build}即可，Spring Boot 2.0 修复了该问题，该方法届时也会停用。
*
* fixed, the method will be removed in future versions.
*
* @see DruidDataSourceWrapper#setMaxEvictableIdleTimeMillis(long)
*/
@Deprecated
public DruidDataSource build(Environment env, String prefix) {
DruidDataSource druidDataSource = new DruidDataSourceWrapper();
druidDataSource.setMinEvictableIdleTimeMillis(
env.getProperty(prefix + "min-evictable-idle-time-millis",
Long.class,
DruidDataSource.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS));
druidDataSource.setMaxEvictableIdleTimeMillis(
env.getProperty(prefix + "max-evictable-idle-time-millis",
Long.class,
DruidDataSource.DEFAULT_MAX_EVICTABLE_IDLE_TIME_MILLIS));
return druidDataSource;
}
}