package com.oying.modules.pc.product.mapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.oying.modules.pc.product.domain.Product;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Param;
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import java.util.List;
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@Mapper
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public interface ProductStockMapper extends BaseMapper<Product> {
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List<Product> selectLowStockProducts(@Param("threshold") Integer threshold);
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int updateStock(@Param("productId") Long productId, @Param("quantity") Integer quantity, @Param("version") Long version);
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int increaseStock(@Param("productId") Long productId, @Param("amount") Integer amount, @Param("version") Long version);
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int decreaseStock(@Param("productId") Long productId, @Param("amount") Integer amount, @Param("version") Long version);
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int batchUpdateStock(List<Product> products);
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}
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