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Class: ActiveRecord::FixtureSet::ModelMetadata

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: activerecord/lib/active_record/fixture_set/model_metadata.rb

Class Method Summary

Instance Method Summary

Constructor Details

.new(model_class) ⇒ ModelMetadata

[ GitHub ]

  
# File 'activerecord/lib/active_record/fixture_set/model_metadata.rb', line 6
def initialize(model_class)
  @model_class = model_class
end

Instance Method Details

#column_names

[ GitHub ]

  
# File 'activerecord/lib/active_record/fixture_set/model_metadata.rb', line 29
def column_names
  @column_names ||= @model_class ? @model_class.columns.map(&:name).to_set : Set.new
end

#column_type(column_name)

[ GitHub ]

  
# File 'activerecord/lib/active_record/fixture_set/model_metadata.rb', line 18
def column_type(column_name)
  @column_type ||= {}
  return @column_type[column_name] if @column_type.key?(column_name)

  @column_type[column_name] = @model_class && @model_class.type_for_attribute(column_name).type
end

#has_column?(column_name) ⇒ Boolean

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# File 'activerecord/lib/active_record/fixture_set/model_metadata.rb', line 25
def has_column?(column_name)
  column_names.include?(column_name)
end

#inheritance_column_name

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# File 'activerecord/lib/active_record/fixture_set/model_metadata.rb', line 37
def inheritance_column_name
  @inheritance_column_name ||= @model_class && @model_class.inheritance_column
end

#primary_key_name

[ GitHub ]

  
# File 'activerecord/lib/active_record/fixture_set/model_metadata.rb', line 10
def primary_key_name
  @primary_key_name ||= @model_class && @model_class.primary_key
end

#primary_key_type

[ GitHub ]

  
# File 'activerecord/lib/active_record/fixture_set/model_metadata.rb', line 14
def primary_key_type
  @primary_key_type ||= @model_class && column_type(@model_class.primary_key)
end

#timestamp_column_names

[ GitHub ]

  
# File 'activerecord/lib/active_record/fixture_set/model_metadata.rb', line 33
def timestamp_column_names
  @model_class.all_timestamp_attributes_in_model
end