Class: Activecube::Query::Selector::Operator

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(operation, argument) ⇒ Operator

Returns a new instance of Operator.



44
45
46
47
 
# File 'lib/activecube/query/selector.rb', line 44

def initialize operation, argument
  @operation = operation
  @argument = argument
end

Instance Attribute Details

#argument ⇒ Object (readonly)

Returns the value of attribute argument.



42
43
44
 
# File 'lib/activecube/query/selector.rb', line 42

def argument
  @argument
end

#operation ⇒ Object (readonly)

Returns the value of attribute operation.



42
43
44
 
# File 'lib/activecube/query/selector.rb', line 42

def operation
  @operation
end

Instance Method Details

#==(other) ⇒ Object 



63
64
65
 
# File 'lib/activecube/query/selector.rb', line 63

def == other
  eql? other
end

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean) 


57
58
59
60
61
 
# File 'lib/activecube/query/selector.rb', line 57

def eql?(other)
  return other.kind_of?(Operator) &&
      self.operation==other.operation &&
      self.argument == other.argument
end

#expression(_model, left, right) ⇒ Object 



49
50
51
52
53
54
55
 
# File 'lib/activecube/query/selector.rb', line 49

def expression _model, left, right
  if right.kind_of?(Array) && (matching_array_op = ARRAY_OPERATOR_MAP[operation])
    left.send(matching_array_op, right)
  else
    left.send(operation, right)
  end
end

#hash ⇒ Object 



67
68
69
 
# File 'lib/activecube/query/selector.rb', line 67

def hash
  self.operation.hash + self.argument.hash
end