Spring Boot AOP事务管理

清疚 2022-05-10 11:40 236阅读 0赞

代码实现

import java.util.Collections;
    import java.util.HashMap;
    import java.util.Map;
    
    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.transaction.PlatformTransactionManager;
    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;
    
    /**
     * @Title: TxAdviceInterceptor.java
     * @Package com.cloud.aop
     * @Description:
     * @author ybwei
     * @date 2018年9月3日 上午10:37:31
     * @version V1.0
     */
    @Aspect
    @Configuration
    public class TxAdviceInterceptor {
    	private static final String AOP_POINTCUT_EXPRESSION = "execution (* com.cloud.serviceImpl.*.*(..))";
    	@Autowired
    	private PlatformTransactionManager transactionManager;
    
    	@Bean
    	public TransactionInterceptor txAdvice() {
    		NameMatchTransactionAttributeSource source = new NameMatchTransactionAttributeSource();
    		/* 当前没有事务：只有select，非事务执行；有update，insert，delete操作，自动提交；
    		 * 当前有事务：如果有update，insert，delete操作，支持当前事务 */
    		RuleBasedTransactionAttribute readOnlyTx = new RuleBasedTransactionAttribute();
    		readOnlyTx.setReadOnly(true);
    		readOnlyTx.setPropagationBehavior(TransactionDefinition.PROPAGATION_SUPPORTS);
    		/* 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("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);
    		TransactionInterceptor txAdvice = new TransactionInterceptor(transactionManager, source);
    		return txAdvice;
    	}
    
    	@Bean
    	public Advisor txAdviceAdvisor(TransactionInterceptor txAdvice) {
    		AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
    		pointcut.setExpression(AOP_POINTCUT_EXPRESSION);
    		return new DefaultPointcutAdvisor(pointcut, txAdvice);
    	}
    }