module ROM::DataProxy
Helper module for dataset classes
It provides a constructor accepting data, header and an optional row_proc. This module is used internally by EnumerableDataset
and ArrayDataset
.
@private
Constants
- NON_FORWARDABLE
Attributes
data[R]
Wrapped data array
@return [Object] Data object for the iterator
@api private
row_proc[R]
@return [Proc] tuple processing proc
@api private
Public Class Methods
included(klass)
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Extends the class with `forward` DSL and Equalizer using `data` attribute
@see ClassMethods#forward
@api private
# File lib/rom/data_proxy.rb, line 32 def self.included(klass) klass.class_eval do extend ClassMethods include Dry::Equalizer(:data) option :row_proc, default: -> { self.class.row_proc } end end
Public Instance Methods
each() { |row_proc| ... }
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Iterate over data using row_proc
@return [Enumerator] if block is not given
@api private
# File lib/rom/data_proxy.rb, line 47 def each return to_enum unless block_given? data.each { |tuple| yield(row_proc[tuple]) } end