org.minbox.framework.api.boot.autoconfigure.enhance.ApiBootMyBatisEnhanceAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright [2019] [恒宇少年 - 于起宇]
*
* 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 org.minbox.framework.api.boot.autoconfigure.enhance;
import com.gitee.hengboy.mybatis.enhance.EnhanceClassPathMapperScanner;
import com.gitee.hengboy.mybatis.enhance.MapperFactoryBean;
import com.gitee.hengboy.mybatis.enhance.dsl.factory.EnhanceDslFactory;
import com.gitee.hengboy.mybatis.enhance.mapper.EnhanceMapper;
import org.apache.ibatis.mapping.DatabaseIdProvider;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.boot.autoconfigure.AutoConfigurationPackages;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ResourceLoaderAware;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.ImportBeanDefinitionRegistrar;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import javax.annotation.PostConstruct;
import javax.sql.DataSource;
import java.util.List;
/**
* ApiBoot Mybatis Enhance Auto Configuration
*
* @author：恒宇少年 - 于起宇
*
* DateTime：2019-04-25 15:16
* Blog：http://blog.yuqiyu.com
* WebSite：http://www.jianshu.com/u/092df3f77bca
* Gitee：https://gitee.com/hengboy
* GitHub：https://github.com/hengboy
*/
@org.springframework.context.annotation.Configuration
@ConditionalOnClass({SqlSessionFactory.class, SqlSessionFactoryBean.class, MapperFactoryBean.class})
@ConditionalOnBean(DataSource.class)
@EnableConfigurationProperties(ApiBootMyBatisEnhanceProperties.class)
@AutoConfigureAfter(DataSourceAutoConfiguration.class)
public class ApiBootMyBatisEnhanceAutoConfiguration {
private static final Logger logger = LoggerFactory.getLogger(ApiBootMyBatisEnhanceAutoConfiguration.class);
private final ApiBootMyBatisEnhanceProperties properties;
private final Interceptor[] interceptors;
private final ResourceLoader resourceLoader;
private final DatabaseIdProvider databaseIdProvider;
private final List configurationCustomizers;
public ApiBootMyBatisEnhanceAutoConfiguration(ApiBootMyBatisEnhanceProperties properties,
ObjectProvider interceptorsProvider,
ResourceLoader resourceLoader,
ObjectProvider databaseIdProvider,
ObjectProvider> configurationCustomizersProvider) {
this.properties = properties;
this.interceptors = interceptorsProvider.getIfAvailable();
this.resourceLoader = resourceLoader;
this.databaseIdProvider = databaseIdProvider.getIfAvailable();
this.configurationCustomizers = configurationCustomizersProvider.getIfAvailable();
}
@PostConstruct
public void checkConfigFileExists() {
if (this.properties.isCheckConfigLocation() && StringUtils.hasText(this.properties.getConfigLocation())) {
Resource resource = this.resourceLoader.getResource(this.properties.getConfigLocation());
Assert.state(resource.exists(), "Cannot find config location: " + resource
+ " (please add config file or check your Mybatis configuration)");
}
}
/**
* 实例化SqlSessionFactory对象
*
* @param dataSource 数据源
* @return
* @throws Exception
*/
@Bean
@ConditionalOnMissingBean
public SqlSessionFactory sqlSessionFactory(DataSource dataSource) throws Exception {
SqlSessionFactoryBean factory = new SqlSessionFactoryBean();
factory.setDataSource(dataSource);
factory.setVfs(SpringBootVFS.class);
if (StringUtils.hasText(this.properties.getConfigLocation())) {
factory.setConfigLocation(this.resourceLoader.getResource(this.properties.getConfigLocation()));
}
Configuration configuration = this.properties.getConfiguration();
if (configuration == null && !StringUtils.hasText(this.properties.getConfigLocation())) {
configuration = new Configuration();
}
// 设置自定义列表
if (configuration != null && !CollectionUtils.isEmpty(this.configurationCustomizers)) {
for (ConfigurationCustomizer customizer : this.configurationCustomizers) {
customizer.customize(configuration);
}
}
factory.setConfiguration(configuration);
if (this.properties.getConfigurationProperties() != null) {
factory.setConfigurationProperties(this.properties.getConfigurationProperties());
}
if (!ObjectUtils.isEmpty(this.interceptors)) {
factory.setPlugins(this.interceptors);
}
if (this.databaseIdProvider != null) {
factory.setDatabaseIdProvider(this.databaseIdProvider);
}
if (StringUtils.hasLength(this.properties.getTypeAliasesPackage())) {
factory.setTypeAliasesPackage(this.properties.getTypeAliasesPackage());
}
if (StringUtils.hasLength(this.properties.getTypeHandlersPackage())) {
factory.setTypeHandlersPackage(this.properties.getTypeHandlersPackage());
}
if (!ObjectUtils.isEmpty(this.properties.resolveMapperLocations())) {
factory.setMapperLocations(this.properties.resolveMapperLocations());
}
return factory.getObject();
}
@Bean
@ConditionalOnMissingBean
public SqlSessionTemplate sqlSessionTemplate(SqlSessionFactory sqlSessionFactory) {
ExecutorType executorType = this.properties.getExecutorType();
if (executorType != null) {
return new SqlSessionTemplate(sqlSessionFactory, executorType);
} else {
return new SqlSessionTemplate(sqlSessionFactory);
}
}
/**
* EnhanceDslFactory Instance
* Use to create dsl
*
* @return EnhanceDslFactory
*/
@Bean
@ConditionalOnMissingBean
public EnhanceDslFactory enhanceDslFactory(SqlSession sqlSession) {
return new EnhanceDslFactory(sqlSession);
}
/**
* This will just scan the same base package as Spring Boot does. If you want
* more power, you can explicitly use
* {@link org.mybatis.spring.annotation.MapperScan} but this will get typed
* mappers working correctly, out-of-the-box, similar to using Spring Data JPA
* repositories.
*/
public static class AutoConfiguredMapperScannerRegistrar
implements BeanFactoryAware, ImportBeanDefinitionRegistrar, ResourceLoaderAware {
private BeanFactory beanFactory;
private ResourceLoader resourceLoader;
@PostConstruct
public void initStatement() {
}
@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
logger.debug("Searching for mappers based with EnhanceMapper.class");
// 重写扫描实现类
// 将扫描到的每一个类
EnhanceClassPathMapperScanner scanner = new EnhanceClassPathMapperScanner(registry);
try {
if (this.resourceLoader != null) {
scanner.setResourceLoader(this.resourceLoader);
}
List packages = AutoConfigurationPackages.get(this.beanFactory);
if (logger.isDebugEnabled()) {
for (String pkg : packages) {
logger.debug("Using auto-configuration base package '{}'", pkg);
}
}
// 通过标记的父接口扫描
scanner.setMarkerInterface(EnhanceMapper.class);
// 通过注解形式扫描
//scanner.setAnnotationClass(Mapper.class);
scanner.registerFilters();
scanner.doScan(StringUtils.toStringArray(packages));
} catch (IllegalStateException ex) {
logger.debug("Could not determine auto-configuration package, automatic mapper scanning disabled.", ex);
}
}
@Override
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
this.beanFactory = beanFactory;
}
@Override
public void setResourceLoader(ResourceLoader resourceLoader) {
this.resourceLoader = resourceLoader;
}
}
/**
* {@link org.mybatis.spring.annotation.MapperScan} ultimately ends up
* creating instances of {@link MapperFactoryBean}. If
* {@link org.mybatis.spring.annotation.MapperScan} is used then this
* auto-configuration is not needed. If it is _not_ used, however, then this
* will bring in a bean registrar and automatically register components based
* on the same component-scanning path as Spring Boot itself.
*/
@org.springframework.context.annotation.Configuration
@Import({AutoConfiguredMapperScannerRegistrar.class})
@ConditionalOnMissingBean(MapperFactoryBean.class)
public static class MapperScannerRegistrarNotFoundConfiguration {
@PostConstruct
public void afterPropertiesSet() {
logger.debug("No {} found.", MapperFactoryBean.class.getName());
}
}
}