com.blinkfox.fenix.specification.handler.impl.OrInPredicateHandler Maven / Gradle / Ivy

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This is an extension library to the Spring Data JPA complex or dynamic SQL query. 这是一个为了解决复杂动态 SQL (JPQL) 而生的 Spring Data JPA 扩展库，能辅助开发者更方便快捷的书写复杂、动态且易于维护的 SQL，支持 ActiveRecord 模式和多种查询方式。

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package com.blinkfox.fenix.specification.handler.impl;

import com.blinkfox.fenix.specification.annotation.OrIn;
import com.blinkfox.fenix.specification.handler.AbstractPredicateHandler;
import java.lang.annotation.Annotation;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.From;
import javax.persistence.criteria.Predicate;

/**
 * 构建“或者范围匹配条件”({@code OR field IN ('xxx', 'yyy')})场景的 {@link Predicate} 处理器.
 *
 * @author YangWenpeng on 2019-12-17
 * @author blinkfox on 2020-01-14
 * @since v2.2.0
 */
public class OrInPredicateHandler extends AbstractPredicateHandler {

    @Override
    public Class getAnnotation() {
        return OrIn.class;
    }

    @Override
    public  Predicate buildPredicate(
            CriteriaBuilder criteriaBuilder, From from, String fieldName, Object value, Annotation annotation) {
        return criteriaBuilder.or(
                super.buildInPredicate(criteriaBuilder, from, fieldName, value, super.isAllowNull(annotation)));
    }

    @Override
    public Predicate buildPredicate(
            CriteriaBuilder criteriaBuilder, From from, String fieldName, Object value) {
        return criteriaBuilder.or(super.buildInPredicate(criteriaBuilder, from, fieldName, value, false));
    }

}