1. ArangoDB & Ashikawa
Workshop
Part 2: Ashikawa
by Frank Celler and Lucas Dohmen

2. Ashikawa
• Ruby Gems for ArangoDB
• Ashikawa::Core
• Ashikawa::AR
• DataMapper 2?

3. Ashikawa::Core
• Low Level Driver for ArangoDB
• Abstracts the REST interface of ArangoDB
• Basis for the other gems
gem install ashikawa-core

4. Ashikawa::AR
• Implements the Active Record pattern
• Integrates with Rails
• Used on happy-geoco.de Rails Rumble
Project
gem install ashikawa-ar

5. Data Mapper 2
• Not yet
• Implements the Data Mapper pattern
• Will support various data sources
• If you want to know more, go to Piotr
Solnica‘s talk this weekend :(
• We will work on the support of ArangoDB

6. Ok, let‘s go

7. Ashikawa::Core

8. ArangoDB started? ;)

9. gem install ashikawa-core

10. require "ashikawa-core"
db = Ashikawa::Core::Database.new
"127.0.0.1:8529"
my_collection = db["stuff"]
my_collection << {
name: "Test", something: "cool"
}
p my_collection.all.first.to_hash

11. What can you do?
• Access ArangoDB at a low level
• More on rubydoc.info
• Just search for ashikawa-core

12. Ashikawa::AR

13. Setup a new Rails App
rails new --skip-active-record
Add
ashikawa-ar, ~> 0.1.2
to you gemfile

14. Configure your DB
YourApplicationName::Application.configure do
# ...
# ArangoDB configuration
Ashikawa::AR.setup :default,
"127.0.0.1:8529"
end
Configuration via database.yml already planned ;)

15. class MyFineModel
include Ashikawa::AR::Model
attribute :name
attribute :my_attribute
attribute :my_string, String
end
# Somewhere else...
model = MyFineModel.by_example name: "Johnny"
rails g ashikawa:model NAME attribute attribute2:String

16. What can you do?
• Define attributes via virtus
• Validate attributes via aequitas
• Find: all, by_example, find_by_aql…
• Delete, reload, save, update_attributes…
• More on rubydoc.info
• Just search for ashikawa-ar

17. Contact
@moonbeamlabs
@arangodb
triAGENS/ashikawa-core
triAGENS/ashikawa-ar
lucas@arangodb.org
ashikawa@googlegroups.com
…or just find us this weekend :)