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package cn.sylinx.hbatis.ext.transaction;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * hbatis 事务注解（guice支持）
 * 
 * @author han
 *
 */
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@Inherited
@Documented
public @interface Transactional {

	/**
	 * 数据源
	 * 
	 * @return
	 */
	String datasource() default "";

	/**
	 * 	 * 事务隔离级别，默认使用全局定义事务类型
	 * -1：表示使用全局定义的事务类型，否则取值以下其一：
	 * Connection.TRANSACTION_NONE
	 * Connection.TRANSACTION_READ_UNCOMMITTED
	 * Connection.TRANSACTION_READ_COMMITTED
	 * Connection.TRANSACTION_REPEATABLE_READ
	 * Connection.TRANSACTION_SERIALIZABLE
	 * 
	 * 
	 * @return
	 */
	int transactionIsolation() default -1;

	/**
	 * 是否动态数据源，是则取：DynamicDatasourceProvider.create.getDatasource()
	 * 
	 * @return
	 */
	boolean dynamic() default false;
}