Sha256: a44a40abc12c44971ba631f751053f63de8b36ad6eace34a70d2e8006e1de6ab
Contents?: true
Size: 1.26 KB
Versions: 5
Compression:
Stored size: 1.26 KB
Contents
require_relative './ts_cell_codec'
require_relative './operator'
class Riak::Client::BeefcakeProtobuffsBackend
def time_series_query_operator(convert_timestamp)
TimeSeriesQueryOperator.new(self, convert_timestamp)
end
class TimeSeriesQueryOperator < Operator
def initialize(backend, convert_timestamp)
super(backend)
@convert_timestamp = convert_timestamp
end
def query(base, interpolations = { })
interpolator = TsInterpolation.new base: base
interpolator.interpolations = pairs_for interpolations
request = TsQueryReq.new query: interpolator
result = backend.protocol do |p|
p.write :TsQueryReq, request
p.expect :TsQueryResp, TsQueryResp, empty_body_acceptable: true
end
return [] if :empty == result
codec = TsCellCodec.new(@convert_timestamp)
collection = Riak::TimeSeries::Collection.
new(result.rows.map do |row|
Riak::TimeSeries::Row.new codec.scalars_for row.cells
end)
collection.columns = result.columns
collection
end
private
def pairs_for(interpolations)
interpolations.map do |key, value|
RpbPair.new key: key.to_s, value: value.to_s
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems