package com.vverp.dao;

import com.vverp.dto.OrderInfo;
import com.vverp.dto.OrderQuery;
import com.vverp.entity.BaseEntity;
import com.vverp.moli.util.Page;
import com.vverp.moli.util.Pageable;
import com.vverp.util.CriteriaUtils;

import javax.persistence.criteria.CriteriaBuilder;
import java.io.Serializable;
import java.util.List;

/**
 * @author 
 * @date 2020/4/21 11:42 上午
 */
public class BaseOrderItemDao<T extends BaseEntity<ID>, ID extends Serializable> extends BaseDao<T, ID> {

    public OrderInfo orderInfo(OrderQuery orderQuery) {
        CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
        return entityManager.createQuery(CriteriaUtils.orderItemInfoQuery(criteriaBuilder, orderQuery, entityClass)).getSingleResult();
    }

    public Page<T> findPage(Pageable pageable, OrderQuery orderQuery) {
        CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
        return findPage(CriteriaUtils.orderItemListQuery(criteriaBuilder, orderQuery, entityClass), pageable);
    }

    public List<T> findList(OrderQuery orderQuery) {
        CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
        return findList(CriteriaUtils.orderItemListQuery(criteriaBuilder, orderQuery, entityClass), null, null, null, null);
    }
}