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@mattsnyder
mattsnyder / ripple_matchers.rb
Created September 25, 2012 12:46
Custom matchers for testing Ripple Documents
RSpec::Matchers.define :be_a_ripple_document do
match do |doc|
doc.class.included_modules.include?(Ripple::Document) ||
doc.class.included_modules.include?(Ripple::EmbeddedDocument)
end
failure_message_for_should do
"#{actual.class.to_s} should be a Ripple::Document"
end
@mattsnyder
mattsnyder / filter_links.js
Created December 11, 2012 13:50
Filter links by tag in MapReduce (Riak)
@mattsnyder
mattsnyder / 2i_key_range_query.rb
Created January 16, 2013 19:20
2i query to retrieve records by key range
MyModel.find_by_index('$key', '20121001'..'20130117')
@mattsnyder
mattsnyder / key_filtering.rb
Created January 16, 2013 19:18
Filtering keys by date range in Riak
Riak::MapReduce.new(Ripple.client).
add(@bucket_to_filter,
[
[:tokenize, "-", 1], #Note: 1 based index
[:between, start_time.to_s(:key), end_time.to_s(:key)]
])
@mattsnyder
mattsnyder / log_output.rb
Created April 9, 2013 16:04
Helpful method for logging output in Rake tasks
def log(string)
string.split(/\n/).each do |line|
puts "[#{Time.now.strftime("%Y-%m-%d %H:%M:%S")}] #{line}"
end
end
@mattsnyder
mattsnyder / rake_task_example.rb
Created April 9, 2013 16:15
Sample shell for a rake task with namespacing and benchmarking
namespace :b2b2dot0 do
namespace :magento do
desc "Imports some stuff from one place to another"
task :import_stuff => :environment do
benchmark = Benchmark.measure do
# The import stuff here
SomeStuff.import do |stuff|
stuff.do_something_more
end
end.real
@mattsnyder
mattsnyder / faster_csv.rb
Created April 26, 2013 21:04
add BOM for UTF8
class FasterCSV
def <<(row)
# make sure headers have been assigned
if header_row? and [Array, String].include? @use_headers.class
parse_headers # won't read data for Array or String
self << @headers if @write_headers
end
# Handle FasterCSV::Row objects and Hashes
row = case row
@mattsnyder
mattsnyder / dynamic_finders.rb
Created June 4, 2013 00:40
AR like dynamic finders for Ripple #riak
module Ripple
module Document
module DynamicFinders
class << self
def included(base)
base.module_eval do
extend DynamicFindersClassMethods
end
end
end
@mattsnyder
mattsnyder / custom_riak_key.rb
Created June 4, 2013 00:44
Set a custom key on a Ripple document for Riak
include Ripple::Document
property :custom_key, String
key_on :custom_key
before_save :set_key
def set_key
self[:custom_key] ||= "#{self.created_at.utc.to_s(:key)}-#{SecureRandom.hex(8)}"
self[:custom_key]
end
private :set_key
@mattsnyder
mattsnyder / riak_install_notes.txt
Created June 4, 2013 00:51
Installing Riak with brew
brew install riak
edit /usr/local/Cellar/riak/<riak version>/libexec/etc/app.config
change
{storage_backend, riak_kv_bitcask_backend},
to
{storage_backend, riak_kv_eleveldb_backend},
ulimit -n 1024
riak start