com.github.pagehelper.autoconfigure.PageHelperAutoConfiguration Maven / Gradle / Ivy
/*
* The MIT License (MIT)
*
* Copyright (c) 2017 [email protected]
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.github.pagehelper.autoconfigure;
import com.github.pagehelper.PageInterceptor;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;
import java.util.List;
/**
* 自定注入分页插件
*
* @author liuzh
*/
@Configuration
@ConditionalOnBean(SqlSessionFactory.class)
@EnableConfigurationProperties(PageHelperProperties.class)
@AutoConfigureAfter(MybatisAutoConfiguration.class)
@Lazy(false)
public class PageHelperAutoConfiguration implements InitializingBean {
private final List sqlSessionFactoryList;
private final PageHelperProperties properties;
public PageHelperAutoConfiguration(List sqlSessionFactoryList, PageHelperProperties properties) {
this.sqlSessionFactoryList = sqlSessionFactoryList;
this.properties = properties;
}
@Override
public void afterPropertiesSet() throws Exception {
PageInterceptor interceptor = new PageInterceptor();
interceptor.setProperties(this.properties);
for (SqlSessionFactory sqlSessionFactory : sqlSessionFactoryList) {
org.apache.ibatis.session.Configuration configuration = sqlSessionFactory.getConfiguration();
if (!containsInterceptor(configuration, interceptor)) {
configuration.addInterceptor(interceptor);
}
}
}
/**
* 是否已经存在相同的拦截器
*
* @param configuration
* @param interceptor
* @return
*/
private boolean containsInterceptor(org.apache.ibatis.session.Configuration configuration, Interceptor interceptor) {
try {
// getInterceptors since 3.2.2
return configuration.getInterceptors().contains(interceptor);
} catch (Exception e) {
return false;
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy