package com.dockerx.rxjavaweb.transformer; import com.dockerx.rxjavaweb.domain.dto.BaseStudentDTO; import com.dockerx.rxjavaweb.domain.dto.StudentDTO; import org.bson.Document; import org.bson.types.ObjectId; /** * @author Author 知秋 * @email [email protected] * @time Created by Auser on 2018/3/23 18:01. */ public class DocumentToStudentTransformer implements Transformer<Document, BaseStudentDTO> { private static final String ID = "_id"; public static final String MAJOR = "major"; public static final String CREDIT = "credit"; public static final String AGE = "age"; public static final String NAME = "name"; @Override public StudentDTO transform(Document source) { return new StudentDTO(source.getString(NAME), source.getInteger(AGE), source.getDouble(CREDIT), source.getString(MAJOR), ((ObjectId) source.get(ID)).toString()); } }