Class: Hollaback::Chain
- Inherits:
-
Object
- Object
- Hollaback::Chain
- Defined in:
- lib/hollaback/chain.rb
Instance Attribute Summary collapse
-
#callbacks ⇒ Object
readonly
Returns the value of attribute callbacks.
Instance Method Summary collapse
- #+(other) ⇒ Object
- #after(execute = nil, &block) ⇒ Object
- #around(execute = nil, &block) ⇒ Object
- #before(execute = nil, &block) ⇒ Object
- #compile(&block) ⇒ Object
- #empty? ⇒ Boolean
-
#initialize ⇒ Chain
constructor
A new instance of Chain.
Constructor Details
#initialize ⇒ Chain
Returns a new instance of Chain.
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# File 'lib/hollaback/chain.rb', line 5 def initialize @callbacks = [] end |
Instance Attribute Details
#callbacks ⇒ Object (readonly)
Returns the value of attribute callbacks.
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# File 'lib/hollaback/chain.rb', line 3 def callbacks @callbacks end |
Instance Method Details
#+(other) ⇒ Object
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# File 'lib/hollaback/chain.rb', line 9 def +(other) @callbacks += other.callbacks self end |
#after(execute = nil, &block) ⇒ Object
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# File 'lib/hollaback/chain.rb', line 18 def after(execute = nil, &block) build(:after, execute, &block) end |
#around(execute = nil, &block) ⇒ Object
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# File 'lib/hollaback/chain.rb', line 22 def around(execute = nil, &block) build(:around, execute, &block) end |
#before(execute = nil, &block) ⇒ Object
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# File 'lib/hollaback/chain.rb', line 14 def before(execute = nil, &block) build(:before, execute, &block) end |
#compile(&block) ⇒ Object
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# File 'lib/hollaback/chain.rb', line 30 def compile(&block) if empty? block else callbacks.inject(Sequence.new(&block)) do |sequence, callback| sequence.send(callback.type, &callback.build) end end end |
#empty? ⇒ Boolean
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# File 'lib/hollaback/chain.rb', line 26 def empty? callbacks.empty? end |