Class: Bmg::TupleTransformer
- Inherits:
-
Object
- Object
- Bmg::TupleTransformer
- Defined in:
- lib/bmg/support/tuple_transformer.rb
Class Method Summary collapse
Instance Method Summary collapse
- #call(tuple) ⇒ Object
-
#initialize(transformation) ⇒ TupleTransformer
constructor
A new instance of TupleTransformer.
- #knows_attrlist? ⇒ Boolean
- #to_attrlist ⇒ Object
Constructor Details
#initialize(transformation) ⇒ TupleTransformer
Returns a new instance of TupleTransformer.
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# File 'lib/bmg/support/tuple_transformer.rb', line 4 def initialize(transformation) @transformation = transformation end |
Class Method Details
.new(arg) ⇒ Object
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# File 'lib/bmg/support/tuple_transformer.rb', line 8 def self.new(arg) return arg if arg.is_a?(TupleTransformer) super end |
Instance Method Details
#call(tuple) ⇒ Object
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# File 'lib/bmg/support/tuple_transformer.rb', line 13 def call(tuple) transform_tuple(tuple, @transformation) end |
#knows_attrlist? ⇒ Boolean
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# File 'lib/bmg/support/tuple_transformer.rb', line 17 def knows_attrlist? @transformation.is_a?(Hash) end |
#to_attrlist ⇒ Object
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# File 'lib/bmg/support/tuple_transformer.rb', line 21 def to_attrlist @transformation.keys end |