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Contents
module Martyr
module Schema
class BaseLevelDefinition
include ActiveModel::Model
include Martyr::Level
# @attribute fact_key [String] the field in the fact where the attribute resides. E.g.:
# degenerate_level :country, fact_key: 'invoices.country'
#
# @attribute fact_alias [String] the alias to give in the `AS` part of the SQL fact statement.
#
# @attribute sort [Proc] optional lambda function for sorting.
# For query levels it accepts the record:
# ->(record) { record.custom_sort_order }
#
# For degenerates it accepts the value:
# ->(value) { value[1..2] }
#
attr_accessor :name, :fact_key, :fact_alias, :sort
delegate :dimension_name, :dimension_definition, to: :collection
alias_method :slice_id, :dimension_name
delegate :build_data_slice, :build_memory_slice, to: :dimension_definition
# This allows to ask any Martyr::Level for #level_definition
def level_definition
self
end
def dimension_definition
collection.dimension
end
def supported?
false
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems