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OCM - The Object Cassandra Mapper Read Me ---------------------------------------- Version: 0.6.0 OHM is an interface tool for the Apache Project's clustered database engine, Cassandra. OCM is licensed under the Apache License, Version 2.0 a copy of which is included in the license file. Interfacing a client application directly with Cassandra can be difficult since it lacks many features of a traditional relational database such as the lack of Data Types. OCM solves this by providing an ORM like interface, or at least a weakly relational one, for client applications to interact with. This is achieved by the developer creating a OCM spec file which sets out the structure of the data inside the database. The developer the feeds these spec files into the OCM Complier which generates the interface code in a supported high level language. This generated code can then be included in the client application to interact with the database. Currently OCM provides: * Basic CRUD operations on rows. * Reading & Updating operations on all Column Family Fields. * Type conversion in to the languages native types e.g. float, int, string. * Indexing of additional Column Family Fields. Currently OCM supports code generation in: * Java – Interfacing with Cassandra via Hector All of the projects source code is kept under version control using Git. You can access the projects Public Git repository. http://github.com/charliem/OCM.git To get a copy of the latest version run git clone http://github.com/charliem/OCM.git You can find additional information on the projects web site. http://github.com/charliem/OCM Release Notes: 0.6.0 * Moved to Hector 0.6 and therefore Cassandra 0.6 * Moved to using Hector style versioning where the first two version numbers are those of the Cassandra version supported.