/************************************************************************
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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************************************************************************/
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package aop.database;
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import java.lang.reflect.Method;
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import javax.annotation.Resource;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.aop.AfterReturningAdvice;
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import org.springframework.aop.MethodBeforeAdvice;
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import core.plugin.spring.database.DataSourceContextHolder;
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import core.plugin.spring.database.route.DynamicDataSource;
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/**
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* <p>
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* 动态切换数据源处理类, 在数据库事务开启之前切换数据库 由于spring的事物是另外一个线程
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*
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* @author CSJ
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*
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*/
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public class DynamicDataSourceTransationAspect implements MethodBeforeAdvice, AfterReturningAdvice {
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static final Logger L = LoggerFactory.getLogger(DynamicDataSourceTransationAspect.class);
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@Resource
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private DynamicDataSource dynamicDataSource;
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@Override
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public void afterReturning(Object returnValue, Method method, Object[] args, Object target) throws Throwable {
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DataSourceContextHolder.clearDataSourceType();
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}
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@Override
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public void before(Method method, Object[] args, Object target) throws Throwable {
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boolean isDefaultDB = false, isDaemonThread = false;
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String dbName = "";
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dynamicDataSource.selectDataSource(dbName);
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}
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}
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