Springboot配置事务管理 采用AOP扫描方式
2020-03-13 本文已影响0人
S拒绝拖延
创建事务配置类TxAnoConfig
import javax.sql.DataSource;
import org.springframework.aop.aspectj.AspectJExpressionPointcut;
import org.springframework.aop.support.DefaultPointcutAdvisor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.interceptor.NameMatchTransactionAttributeSource;
import org.springframework.transaction.interceptor.RollbackRuleAttribute;
import org.springframework.transaction.interceptor.RuleBasedTransactionAttribute;
import org.springframework.transaction.interceptor.TransactionAttribute;
import org.springframework.transaction.interceptor.TransactionInterceptor;
@Configuration
public class TxAnoConfig {
@Autowired
private DataSource dataSource;
@Bean("txManager")
public DataSourceTransactionManager txManager() {
return new DataSourceTransactionManager(dataSource);
}
/*事务拦截器*/
@Bean("txAdvice")
public TransactionInterceptor txAdvice(DataSourceTransactionManager txManager){
NameMatchTransactionAttributeSource source = new NameMatchTransactionAttributeSource();
/*只读事务,不做更新操作*/
RuleBasedTransactionAttribute readOnlyTx = new RuleBasedTransactionAttribute();
readOnlyTx.setReadOnly(true);
readOnlyTx.setPropagationBehavior(TransactionDefinition.PROPAGATION_NOT_SUPPORTED );
/*当前存在事务就使用当前事务,当前不存在事务就创建一个新的事务*/
//RuleBasedTransactionAttribute requiredTx = new RuleBasedTransactionAttribute();
//requiredTx.setRollbackRules(Collections.singletonList(new RollbackRuleAttribute(Exception.class)));
//requiredTx.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
RuleBasedTransactionAttribute requiredTx = new RuleBasedTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED,
Collections.singletonList(new RollbackRuleAttribute(Exception.class)));
requiredTx.setTimeout(5);
Map<String, TransactionAttribute> txMap = new HashMap<>();
txMap.put("add*", requiredTx);
txMap.put("save*", requiredTx);
txMap.put("insert*", requiredTx);
txMap.put("update*", requiredTx);
txMap.put("delete*", requiredTx);
txMap.put("get*", readOnlyTx);
txMap.put("query*", readOnlyTx);
source.setNameMap( txMap );
return new TransactionInterceptor(txManager ,source) ;
}
/**切面拦截规则 参数会自动从容器中注入*/
@Bean
public DefaultPointcutAdvisor defaultPointcutAdvisor(TransactionInterceptor txAdvice){
DefaultPointcutAdvisor pointcutAdvisor = new DefaultPointcutAdvisor();
pointcutAdvisor.setAdvice(txAdvice);
AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
pointcut.setExpression("execution (* com.test.service.*.*(..))");
pointcutAdvisor.setPointcut(pointcut);
return pointcutAdvisor;
}
}