Class: ActiveRecord::FixtureSet::ModelMetadata

Inherits:
Object
  • Object
show all
Defined in:
activerecord/lib/active_record/fixture_set/model_metadata.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(model_class) ⇒ ModelMetadata

Returns a new instance of ModelMetadata.



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# 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 ⇒ Object 



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# 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) ⇒ Object 



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# 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

Returns:

  • (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 ⇒ Object 



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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 ⇒ Object 



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# 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 ⇒ Object 



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# 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 ⇒ Object 



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# File 'activerecord/lib/active_record/fixture_set/model_metadata.rb', line 33

def timestamp_column_names
  @model_class.all_timestamp_attributes_in_model
end