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DataMapper adapter for Riak
tag: 0.0.3

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lib
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README.md
dm-riak-adapter.gemspec

README.md

dm-riak-adapter

DataMapper adapter for the Dynamo-inspired key/value store, Riak.

Install

Requires that you have Riak installed. You can download the latest release here, or install using homebrew:

  brew install riak

Install the dm-riak-adapter gem:

  gem install dm-riak-adapter

Usage

Require dm-core and dm-riak-adapter. Tell DataMapper to use the Riak adapter and set a namespace for your app. This namespace will prefix each bucket like myapp:projects myapp:tasks. You can also skip setting a namespace and the buckets wont have any prefix.

  require 'dm-core'
  require 'dm-riak-adapter'

  DataMapper.setup :default, :adapter => 'riak', :namespace => 'myapp'

Continue defining your models and properties as you normally would. Set the serial number as type Key to use Riak's server-assigned UUIDs.

  class Project
    include DataMapper::Resource

    property :id,   Key
    property :name, String

    has n, :tasks
  end

  class Task
    include DataMapper::Resource

    property :id,       Key
    property :summary,  String

    belongs_to :project
  end
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