package *.*.*.config;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.aop.Advisor;
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.stereotype.Component;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.interceptor.*;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* AOP事务配置
*/
@Aspect
@Configuration
public class TxAdviceConfig {
private static final int TX_METHOD_TIMEOUT = 5000;
private static final String AOP_POINTCUT_EXPRESSION =
"(execution (* edu.sairobo.elephant.modules.*.service..*.*(..)))" +
" || (execution (* edu.sairobo.manager.*.service..*.*(..)))";
// @Autowired
// private PlatformTransactionManager transactionManager;
@Autowired
private DataSourceTransactionManager transactionManager;
@Bean
public TransactionInterceptor txAdvice() {
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);
requiredTx.setTimeout(TX_METHOD_TIMEOUT);
Map<String, TransactionAttribute> txMap = new HashMap<>();
txMap.put("save*", requiredTx);
txMap.put("remove*", requiredTx);
txMap.put("update*", requiredTx);
txMap.put("batch*", requiredTx);
txMap.put("clear*", requiredTx);
txMap.put("add*", requiredTx);
txMap.put("append*", requiredTx);
txMap.put("modify*", requiredTx);
txMap.put("edit*", requiredTx);
txMap.put("insert*", requiredTx);
txMap.put("delete*", requiredTx);
txMap.put("do*", requiredTx);
txMap.put("create*", requiredTx);
/*select,count开头的方法,开启只读,提高数据库访问性能*/
txMap.put("select*", readOnlyTx);
txMap.put("get*", readOnlyTx);
txMap.put("valid*", readOnlyTx);
txMap.put("list*", readOnlyTx);
txMap.put("count*", readOnlyTx);
txMap.put("find*", readOnlyTx);
txMap.put("load*", readOnlyTx);
txMap.put("search*", readOnlyTx);
txMap.put("*", requiredTx);
source.setNameMap(txMap);
TransactionInterceptor txAdvice = new TransactionInterceptor(transactionManager, source);
return txAdvice;
}
@Bean
public Advisor txAdviceAdvisor() {
AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
pointcut.setExpression(AOP_POINTCUT_EXPRESSION);
return new DefaultPointcutAdvisor(pointcut, txAdvice());
}
}
网友评论