• 保险——由MongoDB通过 Java在安全的条件下通过 Java插入的物体生成识别器
原文：Concurrency - Getting the MongoDB generated ID of an object inserted via Java in a thread safe way

What is the best method to get the Mongo generated ID of a document inserted via Java. The Java process inserting the documents is multi-thread, meaning that we need some atomic way to insert and ...