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welcome to MongoDb,this document provides a brief introduction to mongoDb and some key concepts.See the installation guides for infomation on downloading and installing MongoDb. 欢迎使用mongoDb，这个文档提

package cn.ohalo.db.mongodb; import java.lang.reflect.ParameterizedType; import java.lang.reflect.Type; import java.util.ArrayList; import java.util.List; import org.apache.commons.logging.Log; impo