添加分布式事务

This commit is contained in:
Dftre 2024-05-01 17:34:43 +08:00
parent bb846dd269
commit d7c89ef7a4
8 changed files with 643 additions and 34 deletions

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@ -1,11 +1,11 @@
# MyBatis配置 # MyBatis配置
# mybatis: mybatis:
# # 搜索指定包别名 # 搜索指定包别名
# typeAliasesPackage: com.ruoyi.**.domain typeAliasesPackage: com.ruoyi.**.domain
# # 配置mapper的扫描找到所有的mapper.xml映射文件 # 配置mapper的扫描找到所有的mapper.xml映射文件
# mapperLocations: classpath*:mapper/**/*Mapper.xml mapperLocations: classpath*:mapper/**/*Mapper.xml
# # 加载全局的配置文件 # 加载全局的配置文件
# configLocation: classpath:mybatis/mybatis-config.xml configLocation: classpath:mybatis/mybatis-config.xml
# PageHelper分页插件 # PageHelper分页插件
pagehelper: pagehelper:

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@ -40,6 +40,18 @@
<artifactId>sharding-jdbc-core</artifactId> <artifactId>sharding-jdbc-core</artifactId>
</dependency> </dependency>
<dependency>
<groupId>com.atomikos</groupId>
<artifactId>transactions-spring-boot3-starter</artifactId>
<version>6.0.0</version>
</dependency>
<dependency>
<groupId>javax.transaction</groupId>
<artifactId>jta</artifactId>
<version>1.1</version>
</dependency>
<!-- 验证码 --> <!-- 验证码 -->
<dependency> <dependency>
<groupId>pro.fessional</groupId> <groupId>pro.fessional</groupId>

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@ -1,6 +1,7 @@
package com.ruoyi.framework.config; package com.ruoyi.framework.config;
import java.util.TimeZone; import java.util.TimeZone;
import org.mybatis.spring.annotation.MapperScan; import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer; import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
@ -16,7 +17,7 @@ import org.springframework.context.annotation.EnableAspectJAutoProxy;
// 表示通过aop框架暴露该代理对象,AopContext能够访问 // 表示通过aop框架暴露该代理对象,AopContext能够访问
@EnableAspectJAutoProxy(exposeProxy = true) @EnableAspectJAutoProxy(exposeProxy = true)
// 指定要扫描的Mapper类的包的路径 // 指定要扫描的Mapper类的包的路径
@MapperScan("com.ruoyi.**.mapper") @MapperScan(basePackages = "com.ruoyi.**.mapper", sqlSessionTemplateRef = "sqlSessionTemplate")
public class ApplicationConfig public class ApplicationConfig
{ {
/** /**

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@ -0,0 +1,47 @@
package com.ruoyi.framework.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.jta.JtaTransactionManager;
import com.atomikos.icatch.jta.UserTransactionImp;
import com.atomikos.icatch.jta.UserTransactionManager;
import jakarta.transaction.TransactionManager;
import jakarta.transaction.UserTransaction;
/**
* JTA 事务配置
*
* @author ruoyi
*/
@Configuration
public class AtomikosConfig
{
@Bean(name = "userTransaction")
public UserTransaction userTransaction() throws Throwable
{
UserTransactionImp userTransactionImp = new UserTransactionImp();
userTransactionImp.setTransactionTimeout(10000);
return userTransactionImp;
}
@Bean(name = "atomikosTransactionManager", initMethod = "init", destroyMethod = "close")
public TransactionManager atomikosTransactionManager() throws Throwable
{
UserTransactionManager userTransactionManager = new UserTransactionManager();
userTransactionManager.setForceShutdown(false);
return userTransactionManager;
}
@Bean(name = "transactionManager")
@DependsOn({ "userTransaction", "atomikosTransactionManager" })
public PlatformTransactionManager transactionManager() throws Throwable
{
UserTransaction userTransaction = userTransaction();
TransactionManager atomikosTransactionManager = atomikosTransactionManager();
return new JtaTransactionManager(userTransaction, atomikosTransactionManager);
}
}

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@ -3,22 +3,25 @@ package com.ruoyi.framework.config;
import java.io.IOException; import java.io.IOException;
import java.util.HashMap; import java.util.HashMap;
import java.util.Map; import java.util.Map;
import java.util.Properties;
import javax.sql.DataSource; import javax.sql.DataSource;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean; import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.context.annotation.Primary; import org.springframework.context.annotation.Primary;
import org.springframework.core.env.Environment;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.spring.boot3.autoconfigure.DruidDataSourceBuilder;
import com.alibaba.druid.spring.boot3.autoconfigure.properties.DruidStatProperties; import com.alibaba.druid.spring.boot3.autoconfigure.properties.DruidStatProperties;
import com.alibaba.druid.util.Utils; import com.alibaba.druid.util.Utils;
import com.atomikos.jdbc.AtomikosDataSourceBean;
import com.ruoyi.common.enums.DataSourceType; import com.ruoyi.common.enums.DataSourceType;
import com.ruoyi.common.utils.spring.SpringUtils; import com.ruoyi.common.utils.spring.SpringUtils;
import com.ruoyi.framework.config.properties.DruidProperties; import com.ruoyi.framework.config.properties.DruidProperties;
@ -40,27 +43,69 @@ public class DruidConfig {
Logger logger = LoggerFactory.getLogger(DruidConfig.class); Logger logger = LoggerFactory.getLogger(DruidConfig.class);
public static final String MASTER = DataSourceType.MASTER.name();
public static final String SLAVE = DataSourceType.SLAVE.name();
@Autowired
private DruidProperties druidProperties;
@Bean @Bean
@Primary
@DependsOn({ "transactionManager" })
@ConfigurationProperties("spring.datasource.druid.master") @ConfigurationProperties("spring.datasource.druid.master")
public DataSource masterDataSource(DruidProperties druidProperties) { public DataSource masterDataSource(Environment env) {
DruidDataSource dataSource = DruidDataSourceBuilder.create().build(); String prefix = "spring.datasource.druid.master.";
return druidProperties.dataSource(dataSource); return getDataSource(env, prefix, MASTER);
} }
@Bean @Bean
@ConfigurationProperties("spring.datasource.druid.slave") @ConfigurationProperties("spring.datasource.druid.slave")
@DependsOn({ "transactionManager" })
@ConditionalOnProperty(prefix = "spring.datasource.druid.slave", name = "enabled", havingValue = "true") @ConditionalOnProperty(prefix = "spring.datasource.druid.slave", name = "enabled", havingValue = "true")
public DataSource slaveDataSource(DruidProperties druidProperties) { public DataSource slaveDataSource(Environment env) {
DruidDataSource dataSource = DruidDataSourceBuilder.create().build(); String prefix = "spring.datasource.druid.slave.";
return druidProperties.dataSource(dataSource); return getDataSource(env, prefix, SLAVE);
}
protected DataSource getDataSource(Environment env, String prefix, String dataSourceName) {
Properties prop = build(env, prefix);
AtomikosDataSourceBean ds = new AtomikosDataSourceBean();
ds.setXaDataSourceClassName("com.alibaba.druid.pool.xa.DruidXADataSource");
// 添加连接池限制
ds.setMaxPoolSize(50);
ds.setMinPoolSize(5);
ds.setBorrowConnectionTimeout(60);
ds.setUniqueResourceName(dataSourceName);
ds.setXaProperties(prop);
return ds;
}
protected Properties build(Environment env, String prefix) {
Properties prop = new Properties();
prop.put("url", env.getProperty(prefix + "url"));
prop.put("username", env.getProperty(prefix + "username"));
prop.put("password", env.getProperty(prefix + "password"));
prop.put("initialSize", druidProperties.getInitialSize());
prop.put("minIdle", druidProperties.getMinIdle());
prop.put("maxActive", druidProperties.getMaxActive());
prop.put("maxWait", druidProperties.getMaxWait());
prop.put("timeBetweenEvictionRunsMillis", druidProperties.getTimeBetweenEvictionRunsMillis());
prop.put("minEvictableIdleTimeMillis", druidProperties.getMinEvictableIdleTimeMillis());
prop.put("maxEvictableIdleTimeMillis", druidProperties.getMaxEvictableIdleTimeMillis());
prop.put("validationQuery", druidProperties.getValidationQuery());
prop.put("testWhileIdle", druidProperties.isTestWhileIdle());
prop.put("testOnBorrow", druidProperties.isTestOnBorrow());
prop.put("testOnReturn", druidProperties.isTestOnReturn());
return prop;
} }
@Bean(name = "dynamicDataSource") @Bean(name = "dynamicDataSource")
@Primary @Primary
public DynamicDataSource dataSource(DataSource masterDataSource) { public DynamicDataSource dataSource(DataSource masterDataSource) {
Map<Object, Object> targetDataSources = new HashMap<>(); Map<Object, Object> targetDataSources = new HashMap<>();
targetDataSources.put(DataSourceType.MASTER.name(), masterDataSource); targetDataSources.put(MASTER, masterDataSource);
setDataSource(targetDataSources, DataSourceType.SLAVE.name(), "slaveDataSource"); setDataSource(targetDataSources, SLAVE, "slaveDataSource");
setDataSource(targetDataSources, DataSourceType.SHARDING.name(), "shardingDataSource"); setDataSource(targetDataSources, DataSourceType.SHARDING.name(), "shardingDataSource");
return new DynamicDataSource(masterDataSource, targetDataSources); return new DynamicDataSource(masterDataSource, targetDataSources);
} }

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@ -3,8 +3,10 @@ package com.ruoyi.framework.config;
import java.io.IOException; import java.io.IOException;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet; import java.util.HashSet;
import java.util.List; import java.util.List;
import java.util.Map;
import javax.sql.DataSource; import javax.sql.DataSource;
@ -12,10 +14,13 @@ import org.apache.ibatis.io.VFS;
import org.apache.ibatis.session.SqlSessionFactory; import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.boot.autoconfigure.SpringBootVFS; import org.mybatis.spring.boot.autoconfigure.SpringBootVFS;
import org.springframework.beans.factory.annotation.Autowired; import org.slf4j.Logger;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.env.Environment; import org.springframework.core.env.Environment;
import org.springframework.core.io.DefaultResourceLoader; import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.Resource; import org.springframework.core.io.Resource;
@ -26,7 +31,10 @@ import org.springframework.core.type.classreading.MetadataReader;
import org.springframework.core.type.classreading.MetadataReaderFactory; import org.springframework.core.type.classreading.MetadataReaderFactory;
import org.springframework.util.ClassUtils; import org.springframework.util.ClassUtils;
import com.ruoyi.common.enums.DataSourceType;
import com.ruoyi.common.utils.StringUtils; import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.spring.SpringUtils;
import com.ruoyi.framework.datasource.DynamicSqlSessionTemplate;
/** /**
* Mybatis支持*匹配扫描包 * Mybatis支持*匹配扫描包
@ -34,14 +42,12 @@ import com.ruoyi.common.utils.StringUtils;
* @author ruoyi * @author ruoyi
*/ */
@Configuration @Configuration
@ConditionalOnProperty(prefix = "mybatis", name = { "typeAliasesPackage", "mapperLocations",
"configLocation" }, matchIfMissing = false)
public class MyBatisConfig { public class MyBatisConfig {
@Autowired
private Environment env;
static final String DEFAULT_RESOURCE_PATTERN = "**/*.class"; static final String DEFAULT_RESOURCE_PATTERN = "**/*.class";
Logger logger = LoggerFactory.getLogger(MyBatisConfig.class);
public static String setTypeAliasesPackage(String typeAliasesPackage) { public static String setTypeAliasesPackage(String typeAliasesPackage) {
ResourcePatternResolver resolver = (ResourcePatternResolver) new PathMatchingResourcePatternResolver(); ResourcePatternResolver resolver = (ResourcePatternResolver) new PathMatchingResourcePatternResolver();
MetadataReaderFactory metadataReaderFactory = new CachingMetadataReaderFactory(resolver); MetadataReaderFactory metadataReaderFactory = new CachingMetadataReaderFactory(resolver);
@ -100,8 +106,7 @@ public class MyBatisConfig {
return resources.toArray(new Resource[resources.size()]); return resources.toArray(new Resource[resources.size()]);
} }
@Bean public SqlSessionFactory createSqlSessionFactory(Environment env, DataSource dataSource) throws Exception {
public SqlSessionFactory sqlSessionFactory(DataSource dataSource) throws Exception {
String typeAliasesPackage = env.getProperty("mybatis.typeAliasesPackage"); String typeAliasesPackage = env.getProperty("mybatis.typeAliasesPackage");
String mapperLocations = env.getProperty("mybatis.mapperLocations"); String mapperLocations = env.getProperty("mybatis.mapperLocations");
String configLocation = env.getProperty("mybatis.configLocation"); String configLocation = env.getProperty("mybatis.configLocation");
@ -115,4 +120,39 @@ public class MyBatisConfig {
sessionFactory.setConfigLocation(new DefaultResourceLoader().getResource(configLocation)); sessionFactory.setConfigLocation(new DefaultResourceLoader().getResource(configLocation));
return sessionFactory.getObject(); return sessionFactory.getObject();
} }
@Bean(name = "sqlSessionFactoryMaster")
@Primary
public SqlSessionFactory sqlSessionFactoryMaster(Environment env,
@Qualifier("masterDataSource") DataSource dataSource) throws Exception {
return createSqlSessionFactory(env, dataSource);
}
@Bean(name = "sqlSessionFactorySlave")
@ConditionalOnBean(name = "slaveDataSource")
public SqlSessionFactory sqlSessionFactorySlave(Environment env,
@Qualifier("slaveDataSource") DataSource dataSource) throws Exception {
return createSqlSessionFactory(env, dataSource);
}
@Bean(name = "sqlSessionTemplate")
public DynamicSqlSessionTemplate sqlSessionTemplate(
@Qualifier("sqlSessionFactoryMaster") SqlSessionFactory factoryMaster) throws Exception {
Map<Object, SqlSessionFactory> sqlSessionFactoryMap = new HashMap<>();
sqlSessionFactoryMap.put(DruidConfig.MASTER, factoryMaster);
putSqlSessionFactory("sqlSessionFactorySlave", DataSourceType.SLAVE, sqlSessionFactoryMap);
DynamicSqlSessionTemplate customSqlSessionTemplate = new DynamicSqlSessionTemplate(factoryMaster);
customSqlSessionTemplate.setTargetSqlSessionFactorys(sqlSessionFactoryMap);
return customSqlSessionTemplate;
}
private void putSqlSessionFactory(String sqlSessionFactoryName, DataSourceType dataSourceType,
Map<Object, SqlSessionFactory> sqlSessionFactoryMap) {
try {
SqlSessionFactory factorySlave = SpringUtils.getBean(sqlSessionFactoryName);
sqlSessionFactoryMap.put(dataSourceType, factorySlave);
} catch (Exception e) {
logger.error("Failed to register a SqlSessionFactory:{}", sqlSessionFactoryName);
}
}
} }

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@ -2,6 +2,7 @@ package com.ruoyi.framework.config.properties;
import org.springframework.beans.factory.annotation.Value; import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
import com.alibaba.druid.pool.DruidDataSource; import com.alibaba.druid.pool.DruidDataSource;
/** /**
@ -10,8 +11,7 @@ import com.alibaba.druid.pool.DruidDataSource;
* @author ruoyi * @author ruoyi
*/ */
@Configuration @Configuration
public class DruidProperties public class DruidProperties {
{
@Value("${spring.datasource.druid.initialSize}") @Value("${spring.datasource.druid.initialSize}")
private int initialSize; private int initialSize;
@ -51,8 +51,7 @@ public class DruidProperties
@Value("${spring.datasource.druid.testOnReturn}") @Value("${spring.datasource.druid.testOnReturn}")
private boolean testOnReturn; private boolean testOnReturn;
public DruidDataSource dataSource(DruidDataSource datasource) public DruidDataSource dataSource(DruidDataSource datasource) {
{
/** 配置初始化大小、最小、最大 */ /** 配置初始化大小、最小、最大 */
datasource.setInitialSize(initialSize); datasource.setInitialSize(initialSize);
datasource.setMaxActive(maxActive); datasource.setMaxActive(maxActive);
@ -75,10 +74,13 @@ public class DruidProperties
datasource.setMaxEvictableIdleTimeMillis(maxEvictableIdleTimeMillis); datasource.setMaxEvictableIdleTimeMillis(maxEvictableIdleTimeMillis);
/** /**
* 用来检测连接是否有效的sql要求是一个查询语句常用select 'x'如果validationQuery为nulltestOnBorrowtestOnReturntestWhileIdle都不会起作用 * 用来检测连接是否有效的sql要求是一个查询语句常用select
* 'x'如果validationQuery为nulltestOnBorrowtestOnReturntestWhileIdle都不会起作用
*/ */
datasource.setValidationQuery(validationQuery); datasource.setValidationQuery(validationQuery);
/** 建议配置为true不影响性能并且保证安全性。申请连接的时候检测如果空闲时间大于timeBetweenEvictionRunsMillis执行validationQuery检测连接是否有效。 */ /**
* 建议配置为true不影响性能并且保证安全性申请连接的时候检测如果空闲时间大于timeBetweenEvictionRunsMillis执行validationQuery检测连接是否有效
*/
datasource.setTestWhileIdle(testWhileIdle); datasource.setTestWhileIdle(testWhileIdle);
/** 申请连接时执行validationQuery检测连接是否有效做了这个配置会降低性能。 */ /** 申请连接时执行validationQuery检测连接是否有效做了这个配置会降低性能。 */
datasource.setTestOnBorrow(testOnBorrow); datasource.setTestOnBorrow(testOnBorrow);
@ -86,4 +88,108 @@ public class DruidProperties
datasource.setTestOnReturn(testOnReturn); datasource.setTestOnReturn(testOnReturn);
return datasource; return datasource;
} }
public int getInitialSize() {
return initialSize;
}
public void setInitialSize(int initialSize) {
this.initialSize = initialSize;
}
public int getMinIdle() {
return minIdle;
}
public void setMinIdle(int minIdle) {
this.minIdle = minIdle;
}
public int getMaxActive() {
return maxActive;
}
public void setMaxActive(int maxActive) {
this.maxActive = maxActive;
}
public int getMaxWait() {
return maxWait;
}
public void setMaxWait(int maxWait) {
this.maxWait = maxWait;
}
public int getConnectTimeout() {
return connectTimeout;
}
public void setConnectTimeout(int connectTimeout) {
this.connectTimeout = connectTimeout;
}
public int getSocketTimeout() {
return socketTimeout;
}
public void setSocketTimeout(int socketTimeout) {
this.socketTimeout = socketTimeout;
}
public int getTimeBetweenEvictionRunsMillis() {
return timeBetweenEvictionRunsMillis;
}
public void setTimeBetweenEvictionRunsMillis(int timeBetweenEvictionRunsMillis) {
this.timeBetweenEvictionRunsMillis = timeBetweenEvictionRunsMillis;
}
public int getMinEvictableIdleTimeMillis() {
return minEvictableIdleTimeMillis;
}
public void setMinEvictableIdleTimeMillis(int minEvictableIdleTimeMillis) {
this.minEvictableIdleTimeMillis = minEvictableIdleTimeMillis;
}
public int getMaxEvictableIdleTimeMillis() {
return maxEvictableIdleTimeMillis;
}
public void setMaxEvictableIdleTimeMillis(int maxEvictableIdleTimeMillis) {
this.maxEvictableIdleTimeMillis = maxEvictableIdleTimeMillis;
}
public String getValidationQuery() {
return validationQuery;
}
public void setValidationQuery(String validationQuery) {
this.validationQuery = validationQuery;
}
public boolean isTestWhileIdle() {
return testWhileIdle;
}
public void setTestWhileIdle(boolean testWhileIdle) {
this.testWhileIdle = testWhileIdle;
}
public boolean isTestOnBorrow() {
return testOnBorrow;
}
public void setTestOnBorrow(boolean testOnBorrow) {
this.testOnBorrow = testOnBorrow;
}
public boolean isTestOnReturn() {
return testOnReturn;
}
public void setTestOnReturn(boolean testOnReturn) {
this.testOnReturn = testOnReturn;
}
} }

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@ -0,0 +1,358 @@
package com.ruoyi.framework.datasource;
import static java.lang.reflect.Proxy.*;
import static org.apache.ibatis.reflection.ExceptionUtil.*;
import static org.mybatis.spring.SqlSessionUtils.*;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.sql.Connection;
import java.util.List;
import java.util.Map;
import org.apache.ibatis.exceptions.PersistenceException;
import org.apache.ibatis.executor.BatchResult;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.RowBounds;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.MyBatisExceptionTranslator;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.dao.support.PersistenceExceptionTranslator;
/**
* 自定义SqlSessionTemplate动态切换数据源
*
* @author ruoyi
*/
public class DynamicSqlSessionTemplate extends SqlSessionTemplate
{
private final SqlSessionFactory sqlSessionFactory;
private final ExecutorType executorType;
private final SqlSession sqlSessionProxy;
private final PersistenceExceptionTranslator exceptionTranslator;
private Map<Object, SqlSessionFactory> targetSqlSessionFactorys;
private SqlSessionFactory defaultTargetSqlSessionFactory;
public DynamicSqlSessionTemplate(SqlSessionFactory sqlSessionFactory)
{
this(sqlSessionFactory, sqlSessionFactory.getConfiguration().getDefaultExecutorType());
}
public DynamicSqlSessionTemplate(SqlSessionFactory sqlSessionFactory, ExecutorType executorType)
{
this(sqlSessionFactory, executorType, new MyBatisExceptionTranslator(
sqlSessionFactory.getConfiguration().getEnvironment().getDataSource(), true));
}
public DynamicSqlSessionTemplate(SqlSessionFactory sqlSessionFactory, ExecutorType executorType,
PersistenceExceptionTranslator exceptionTranslator)
{
super(sqlSessionFactory, executorType, exceptionTranslator);
this.sqlSessionFactory = sqlSessionFactory;
this.executorType = executorType;
this.exceptionTranslator = exceptionTranslator;
this.sqlSessionProxy = (SqlSession) newProxyInstance(SqlSessionFactory.class.getClassLoader(),
new Class[] { SqlSession.class }, new SqlSessionInterceptor());
this.defaultTargetSqlSessionFactory = sqlSessionFactory;
}
public void setTargetSqlSessionFactorys(Map<Object, SqlSessionFactory> targetSqlSessionFactorys)
{
this.targetSqlSessionFactorys = targetSqlSessionFactorys;
}
public void setDefaultTargetSqlSessionFactory(SqlSessionFactory defaultTargetSqlSessionFactory)
{
this.defaultTargetSqlSessionFactory = defaultTargetSqlSessionFactory;
}
@Override
public SqlSessionFactory getSqlSessionFactory()
{
SqlSessionFactory targetSqlSessionFactory = targetSqlSessionFactorys
.get(DynamicDataSourceContextHolder.getDataSourceType());
if (targetSqlSessionFactory != null)
{
return targetSqlSessionFactory;
}
else if (defaultTargetSqlSessionFactory != null)
{
return defaultTargetSqlSessionFactory;
}
return this.sqlSessionFactory;
}
@Override
public Configuration getConfiguration()
{
return this.getSqlSessionFactory().getConfiguration();
}
public ExecutorType getExecutorType()
{
return this.executorType;
}
public PersistenceExceptionTranslator getPersistenceExceptionTranslator()
{
return this.exceptionTranslator;
}
/**
* {@inheritDoc}
*/
public <T> T selectOne(String statement)
{
return this.sqlSessionProxy.<T> selectOne(statement);
}
/**
* {@inheritDoc}
*/
public <T> T selectOne(String statement, Object parameter)
{
return this.sqlSessionProxy.<T> selectOne(statement, parameter);
}
/**
* {@inheritDoc}
*/
public <K, V> Map<K, V> selectMap(String statement, String mapKey)
{
return this.sqlSessionProxy.<K, V> selectMap(statement, mapKey);
}
/**
* {@inheritDoc}
*/
public <K, V> Map<K, V> selectMap(String statement, Object parameter, String mapKey)
{
return this.sqlSessionProxy.<K, V> selectMap(statement, parameter, mapKey);
}
/**
* {@inheritDoc}
*/
public <K, V> Map<K, V> selectMap(String statement, Object parameter, String mapKey, RowBounds rowBounds)
{
return this.sqlSessionProxy.<K, V> selectMap(statement, parameter, mapKey, rowBounds);
}
/**
* {@inheritDoc}
*/
public <E> List<E> selectList(String statement)
{
return this.sqlSessionProxy.<E> selectList(statement);
}
/**
* {@inheritDoc}
*/
public <E> List<E> selectList(String statement, Object parameter)
{
return this.sqlSessionProxy.<E> selectList(statement, parameter);
}
/**
* {@inheritDoc}
*/
public <E> List<E> selectList(String statement, Object parameter, RowBounds rowBounds)
{
return this.sqlSessionProxy.<E> selectList(statement, parameter, rowBounds);
}
/**
* {@inheritDoc}
*/
@SuppressWarnings("rawtypes")
public void select(String statement, ResultHandler handler)
{
this.sqlSessionProxy.select(statement, handler);
}
/**
* {@inheritDoc}
*/
@SuppressWarnings("rawtypes")
public void select(String statement, Object parameter, ResultHandler handler)
{
this.sqlSessionProxy.select(statement, parameter, handler);
}
/**
* {@inheritDoc}
*/
@SuppressWarnings("rawtypes")
public void select(String statement, Object parameter, RowBounds rowBounds, ResultHandler handler)
{
this.sqlSessionProxy.select(statement, parameter, rowBounds, handler);
}
/**
* {@inheritDoc}
*/
public int insert(String statement)
{
return this.sqlSessionProxy.insert(statement);
}
/**
* {@inheritDoc}
*/
public int insert(String statement, Object parameter)
{
return this.sqlSessionProxy.insert(statement, parameter);
}
/**
* {@inheritDoc}
*/
public int update(String statement)
{
return this.sqlSessionProxy.update(statement);
}
/**
* {@inheritDoc}
*/
public int update(String statement, Object parameter)
{
return this.sqlSessionProxy.update(statement, parameter);
}
/**
* {@inheritDoc}
*/
public int delete(String statement)
{
return this.sqlSessionProxy.delete(statement);
}
/**
* {@inheritDoc}
*/
public int delete(String statement, Object parameter)
{
return this.sqlSessionProxy.delete(statement, parameter);
}
/**
* {@inheritDoc}
*/
public <T> T getMapper(Class<T> type)
{
return getConfiguration().getMapper(type, this);
}
/**
* {@inheritDoc}
*/
public void commit()
{
throw new UnsupportedOperationException("Manual commit is not allowed over a Spring managed SqlSession");
}
/**
* {@inheritDoc}
*/
public void commit(boolean force)
{
throw new UnsupportedOperationException("Manual commit is not allowed over a Spring managed SqlSession");
}
/**
* {@inheritDoc}
*/
public void rollback()
{
throw new UnsupportedOperationException("Manual rollback is not allowed over a Spring managed SqlSession");
}
/**
* {@inheritDoc}
*/
public void rollback(boolean force)
{
throw new UnsupportedOperationException("Manual rollback is not allowed over a Spring managed SqlSession");
}
/**
* {@inheritDoc}
*/
public void close()
{
throw new UnsupportedOperationException("Manual close is not allowed over a Spring managed SqlSession");
}
/**
* {@inheritDoc}
*/
public void clearCache()
{
this.sqlSessionProxy.clearCache();
}
/**
* {@inheritDoc}
*/
public Connection getConnection()
{
return this.sqlSessionProxy.getConnection();
}
/**
* {@inheritDoc}
*
* @since 1.0.2
*/
public List<BatchResult> flushStatements()
{
return this.sqlSessionProxy.flushStatements();
}
/**
* Proxy needed to route MyBatis method calls to the proper SqlSession got from Spring's Transaction Manager It also
* unwraps exceptions thrown by {@code Method#invoke(Object, Object...)} to pass a {@code PersistenceException} to
* the {@code PersistenceExceptionTranslator}.
*/
private class SqlSessionInterceptor implements InvocationHandler
{
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
{
final SqlSession sqlSession = getSqlSession(DynamicSqlSessionTemplate.this.getSqlSessionFactory(),
DynamicSqlSessionTemplate.this.executorType, DynamicSqlSessionTemplate.this.exceptionTranslator);
try
{
Object result = method.invoke(sqlSession, args);
if (!isSqlSessionTransactional(sqlSession, DynamicSqlSessionTemplate.this.getSqlSessionFactory()))
{
sqlSession.commit(true);
}
return result;
}
catch (Throwable t)
{
Throwable unwrapped = unwrapThrowable(t);
if (DynamicSqlSessionTemplate.this.exceptionTranslator != null
&& unwrapped instanceof PersistenceException)
{
Throwable translated = DynamicSqlSessionTemplate.this.exceptionTranslator
.translateExceptionIfPossible((PersistenceException) unwrapped);
if (translated != null)
{
unwrapped = translated;
}
}
throw unwrapped;
}
finally
{
closeSqlSession(sqlSession, DynamicSqlSessionTemplate.this.getSqlSessionFactory());
}
}
}
}