Class: Activecube::Field

Inherits:
Object
  • Object
show all
Defined in:
lib/activecube/field.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, arg = nil) ⇒ Field

Returns a new instance of Field.



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# File 'lib/activecube/field.rb', line 18

def initialize name, arg = nil
  @name = name
  @definition = arg
end

Instance Attribute Details

#definition ⇒ Object (readonly)

Returns the value of attribute definition.



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# File 'lib/activecube/field.rb', line 4

def definition
  @definition
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/activecube/field.rb', line 4

def name
  @name
end

Class Method Details

.build(name, arg) ⇒ Object 



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# File 'lib/activecube/field.rb', line 6

def self.build name, arg
  if arg.kind_of? String
    Field.new name, arg
  elsif arg.kind_of? Hash
    Field.new name, arg.symbolize_keys
  elsif arg.kind_of?(Class) && arg < Field
    arg.new name
  else
    raise Activecube::InputArgumentError, "Unexpected field #{name} definition with #{arg.class.name}"
  end
end

Instance Method Details

#expression(_model, _arel_table, _slice, _cube_query) ⇒ Object

Raises:



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# File 'lib/activecube/field.rb', line 23

def expression _model, _arel_table, _slice, _cube_query
  raise Activecube::InputArgumentError, "String expression expected for #{name} field, instead #{definition.class.name} is found" unless definition.kind_of?(String)
  definition
end