MongoModel alternatives and similar gems
Based on the "ORM/ODM" category.
Alternatively, view MongoModel alternatives based on common mentions on social networks and blogs.
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DataMapper
DISCONTINUED. ORM which works well with legacy databases. Last release (1.2.0) was on 13 October 2011. -
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README
MongoModel
MongoModel is a Ruby ORM for interfacing with MongoDB databases.
Installation
MongoModel is distributed as a gem. Install with:
gem install mongomodel
For performance, you should probably also install the BSON C extensions:
gem install bson_ext
Using with Rails
Add MongoModel to your Gemfile (and run bundle install):
gem 'mongomodel'
Create the configuration file config/mongomodel.yml:
rails generate mongo_model:config DATABASENAME
Generating a model/document:
rails generate model Article title:string body:string published_at:time approved:boolean
Generating an embedded document:
rails generate model Chapter title:string body:string -E
Sample Model
class Article < MongoModel::Document
property :title, String, :default => 'Untitled'
property :body, String
property :published_at, Time, :protected => true
property :approved, Boolean, :default => false, :protected => true
timestamps!
validates_presence_of :title, :body
belongs_to :author, :class => User
scope :published, where(:published_at.ne => nil)
end
Configuration
MongoModel can be configured similarly to ActiveRecord by creating/editing config/mongomodel.yml. The most basic configuration might look like:
development:
database: mymongodbname
host: localhost
port: 27017
The config file also supports specifying the username, password, pool_size, password and replicas. Running rails generate mongo_model:config DATABASENAME will generate a basic config file for you.
Using Replica Sets
When working with replica sets, replace the host/port configuration with an array of replicas (host:port):
production:
database: database_name
replicas:
- some.host.com:27017
- another.host.com:27017
username: username
password: password