Class: Curator::Riak::DataStore

Inherits:
Object
  • Object
show all
Defined in:
lib/curator/riak/data_store.rb

Direct Known Subclasses

Curator::ResettableRiak::DataStore

Instance Method Summary collapse

Instance Method Details

#_bucket(name) ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 61

def _bucket(name)
  client.bucket(_bucket_name(name))
end

#_bucket_name(name) ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 65

def _bucket_name(name)
  bucket_prefix + ":" + name
end

#_deserialize(data) ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 69

def _deserialize(data)
  deserialized_data = data.dup
  deserialized_data["created_at"] = Time.parse(data["created_at"]) if data["created_at"]
  deserialized_data["updated_at"] = Time.parse(data["updated_at"]) if data["updated_at"]
  deserialized_data
end

#_find_key_by_index(bucket, index_name, query) ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 76

def _find_key_by_index(bucket, index_name, query)
  bucket.get_index("#{index_name}_bin", query)
end

#_normalized_index_data(index_data) ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 80

def _normalized_index_data(index_data)
  if index_data.is_a?(Array)
    index_data.join(", ")
  else
    index_data
  end
end

#bucket_prefix ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 13

def bucket_prefix
  "#{Curator.config.bucket_prefix}:#{Curator.config.environment}"
end

#client ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 7

def client
  return @client if @client
  yml_config = YAML.load(File.read(Curator.config.riak_config_file))[Curator.config.environment]
  @client = ::Riak::Client.new(yml_config)
end

#delete(bucket_name, key) ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 17

def delete(bucket_name, key)
  bucket = _bucket(bucket_name)
  object = bucket.get(key)
  object.delete
end

#find_by_attribute(bucket_name, index_name, query) ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 49

def find_by_attribute(bucket_name, index_name, query)
  return [] if query.nil?

  bucket = _bucket(bucket_name)
  begin
    keys = _find_key_by_index(bucket, index_name.to_s, query)
    keys.map { |key| find_by_key(bucket_name, key) }
  rescue ::Riak::HTTPFailedRequest => failed_request
    raise failed_request unless failed_request.not_found?
  end
end

#find_by_key(bucket_name, key) ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 39

def find_by_key(bucket_name, key)
  bucket = _bucket(bucket_name)
  begin
    object = bucket.get(key)
    { :key => object.key, :data => _deserialize(object.data) } unless object.data.empty?
  rescue ::Riak::HTTPFailedRequest => failed_request
    raise failed_request unless failed_request.not_found?
  end
end

#ping ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 23

def ping
  client.ping
end

#save(options) ⇒ Object 



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# File 'lib/curator/riak/data_store.rb', line 27

def save(options)
  bucket = _bucket(options[:collection_name])
  object = ::Riak::RObject.new(bucket, options[:key])
  object.content_type = options.fetch(:content_type, "application/json")
  object.data = options[:value]
  options.fetch(:index, {}).each do |index_name, index_data|
    object.indexes["#{index_name}_bin"] << _normalized_index_data(index_data)
  end
  result = object.store
  result.key
end