Created: 2012-03-21 00:54
Updated: 2018-11-09 04:07


Japper - A lightweight ResultSet-to-object mapping tool

This project is heavily inspired by the blog posts Sam Saffron of Stack Overflow fame wrote on the Dapper .NET library.

Where we are coming from:

  • Strong level of comfort writing SQL
  • Existing database schema with many aspects that do not conform to what many libraries expect, and so require lots of boiler plate to accommodate (e.g. compound primary keys)
  • Lots more code devoted to reading than writing
  • Suffering under N+1 query problems using Hibernate

The goals of the project are:

  • Zero configuration, or as close to zero as possible
  • Avoid N+1 query problems
  • Be a library, not a framework - i.e. impose as few restrictions as possible on the objects used
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