package us.codecraft.webmagic.model.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* @author code4crafter@gmail.com <br>
* Date: 13-8-16 <br>
* Time: 下午11:09 <br>
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.FIELD, ElementType.TYPE })
public @interface ComboExtract {
/**
* operator of match logic.
* <p>
* <b>AND</b>:need match all {@code expr}<br>
* <b>OR</b>: just match one {@code expr}(In accordance with the order)
* </p>
*/
public enum OP {AND, OR};
OP op() default OP.OR;
ExtractBy[] value();
}