Class: Pivotable::Expression::Abstract

Inherits:
Object
  • Object
show all
Defined in:
lib/pivotable/expression/abstract.rb

Direct Known Subclasses

Calculation, Generic

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model, name, options = {}) ⇒ Abstract

Returns a new instance of Abstract.

Raises:

  • (ArgumentError) 


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# File 'lib/pivotable/expression/abstract.rb', line 4

def initialize(model, name, options = {})
  @name  = name.to_s
  @model = model
  @via   = process_via options[:via]

  raise ArgumentError, "Could not find DB attribute for '#{@name}', please specify a :via option" if via.blank?
end

Instance Attribute Details

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/pivotable/expression/abstract.rb', line 2

def model
  @model
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/pivotable/expression/abstract.rb', line 2

def name
  @name
end

#via ⇒ Object (readonly)

Returns the value of attribute via.



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# File 'lib/pivotable/expression/abstract.rb', line 2

def via
  @via
end

Instance Method Details

#to_group ⇒ Object 



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# File 'lib/pivotable/expression/abstract.rb', line 16

def to_group
  not_implemented
end

#to_select ⇒ Object 



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# File 'lib/pivotable/expression/abstract.rb', line 12

def to_select
  not_implemented
end