Class: Arel::Nodes::Case
- Inherits:
-
Node
- Object
- Node
- Arel::Nodes::Case
- Includes:
- AliasPredication, OrderPredications, Predications
- Defined in:
- lib/thredded/rails_lt_5_2_arel_case_node.rb
Instance Attribute Summary collapse
-
#case ⇒ Object
Returns the value of attribute case.
-
#conditions ⇒ Object
Returns the value of attribute conditions.
-
#default ⇒ Object
Returns the value of attribute default.
Instance Method Summary collapse
- #else(expression) ⇒ Object
- #eql?(other) ⇒ Boolean (also: #==)
- #hash ⇒ Object
-
#initialize(expression = nil, default = nil) ⇒ Case
constructor
A new instance of Case.
- #initialize_copy(other) ⇒ Object
- #then(expression) ⇒ Object
- #when(condition, expression = nil) ⇒ Object
Constructor Details
#initialize(expression = nil, default = nil) ⇒ Case
Returns a new instance of Case.
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# File 'lib/thredded/rails_lt_5_2_arel_case_node.rb', line 12 def initialize(expression = nil, default = nil) @case = expression @conditions = [] @default = default end |
Instance Attribute Details
#case ⇒ Object
Returns the value of attribute case.
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# File 'lib/thredded/rails_lt_5_2_arel_case_node.rb', line 10 def case @case end |
#conditions ⇒ Object
Returns the value of attribute conditions.
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# File 'lib/thredded/rails_lt_5_2_arel_case_node.rb', line 10 def conditions @conditions end |
#default ⇒ Object
Returns the value of attribute default.
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# File 'lib/thredded/rails_lt_5_2_arel_case_node.rb', line 10 def default @default end |
Instance Method Details
#else(expression) ⇒ Object
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# File 'lib/thredded/rails_lt_5_2_arel_case_node.rb', line 28 def else(expression) @default = Else.new Nodes.build_quoted(expression) self end |
#eql?(other) ⇒ Boolean Also known as: ==
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# File 'lib/thredded/rails_lt_5_2_arel_case_node.rb', line 44 def eql?(other) self.class == other.class && self.case == other.case && conditions == other.conditions && default == other.default end |
#hash ⇒ Object
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# File 'lib/thredded/rails_lt_5_2_arel_case_node.rb', line 40 def hash [@case, @conditions, @default].hash end |
#initialize_copy(other) ⇒ Object
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# File 'lib/thredded/rails_lt_5_2_arel_case_node.rb', line 33 def initialize_copy(other) super @case = @case.clone if @case @conditions = @conditions.map(&:clone) @default = @default.clone if @default end |
#then(expression) ⇒ Object
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# File 'lib/thredded/rails_lt_5_2_arel_case_node.rb', line 23 def then(expression) @conditions.last.right = Nodes.build_quoted(expression) self end |