Freaks City

A Hands-On Guide to Object-Document Mapping This chapter provides a step-by-step walkthrough of Voyage, an object-to-document mapper for MongoDB. We'll explore a straightforward domain model: superheroes, their abilities, and equipment. You'll discover how to persist and retrieve domain objects with ease. Establishing Database Connectivity Afte ...

Querying Objects by ID When you know an object's _id value, you can instantiate it as an OID and use it in a query. Person selectOne: {('_id' -> (OID fromValue: 16r55CDD2B6E9A87A520F000001))} asDictionary. These two forms of OID creation are equivalent: OID fromValue: 26555050698940995562836590593. "Decimal representation" OID fro ...