Class: DataMapper::Query::Conditions::InclusionComparison

Inherits:
AbstractComparison show all
Includes:
RelationshipHandler
Defined in:
lib/dm-core/query/conditions/comparison.rb

Overview

Tests whether the value in the record is contained in the expected_value set for the Comparison, where expected_value is an Array, Range, or Set.

Instance Attribute Summary

Attributes inherited from AbstractComparison

#loaded_value, #subject, #value

Instance Method Summary collapse

Methods included from RelationshipHandler

#foreign_key_mapping, #relationship?

Methods inherited from AbstractComparison

descendants, inherited, #inspect, #property?, #relationship?, #slug, slug, #to_s

Methods included from Deprecate

#deprecate

Methods included from Equalizer

#equalize

Instance Method Details

#matches?(record) ⇒ Boolean

Asserts that the record value matches the comparison

Parameters:

  • record (Resource, Hash) —

    The record containing the value to be matched

Returns:

  • (Boolean) 


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# File 'lib/dm-core/query/conditions/comparison.rb', line 511

def matches?(record)
  record_value = record_value(record)
  !record_value.nil? && expected.include?(record_value)
end

#valid? ⇒ Boolean

Checks that the Comparison is valid

Returns:

  • (Boolean)

See Also:



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# File 'lib/dm-core/query/conditions/comparison.rb', line 523

def valid?
  case value
    when Array, Set
      loaded_value.any? && loaded_value.all? { |val| subject.valid?(val) }
    when Range
      loaded_value.any? && subject.valid?(loaded_value.first) && subject.valid?(loaded_value.last)
    else
      false
  end
end