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package top.springdatajpa.zujijpa.utils;

import lombok.experimental.UtilityClass;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.PageRequest;

import java.util.List;

/**
 * 
 * JPA Helper
 * 
 *
 * @author azheng
 * @since 2019-10-10
 */
@UtilityClass
public class JpaHelper {
    public  Page castPage(Page pageList, PageRequest page, Class toClass){
        List result = EntityUtils.cast(pageList.getContent(), toClass);
        return new PageImpl(result, page, pageList.getTotalElements());
    }
}