Module: Tins::Deflect
Overview
See examples/recipe.rb and examples/recipe2.rb how this works at the moment.
Defined Under Namespace
Classes: DeflectError, Deflector, DeflectorCollection
Constant Summary collapse
- @@sync =
Sync.new
Class Method Summary collapse
-
.deflect?(from, id) ⇒ Boolean
Return true if method id is deflected from class from, otherwise return false.
Instance Method Summary collapse
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#deflect(from, id, deflector) ⇒ Object
Start deflecting method calls named id to the from class using the Deflector instance deflector.
-
#deflect?(from, id) ⇒ Boolean
Return true if method id is deflected from class from, otherwise return false.
-
#deflect_start(from, id, deflector) ⇒ Object
Start deflecting method calls named id to the from class using the Deflector instance deflector.
-
#deflect_stop(from, id) ⇒ Object
Stop deflection method calls named id to class from.
Methods included from ThreadLocal
instance_thread_local, thread_local
Class Method Details
Instance Method Details
#deflect(from, id, deflector) ⇒ Object
Start deflecting method calls named id to the from class using the Deflector instance deflector. After that yield to the given block and stop deflecting again.
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# File 'lib/tins/dslkit.rb', line 402 def deflect(from, id, deflector) @@sync.synchronize do begin deflect_start(from, id, deflector) yield ensure deflect_stop(from, id) end end end |
#deflect?(from, id) ⇒ Boolean
Return true if method id is deflected from class from, otherwise return false.
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# File 'lib/tins/dslkit.rb', line 395 def deflect?(from, id) Deflect.deflect?(from, id) end |
#deflect_start(from, id, deflector) ⇒ Object
Start deflecting method calls named id to the from class using the Deflector instance deflector.
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# File 'lib/tins/dslkit.rb', line 369 def deflect_start(from, id, deflector) @@sync.synchronize do Deflect.deflecting ||= DeflectorCollection.new Deflect.deflecting.member?(from, id) and raise DeflectError, "#{from}##{id} is already deflected" Deflect.deflecting.add(from, id, deflector) from.class_eval do define_method(id) do |*args| if Deflect.deflecting and d = Deflect.deflecting.find(self.class, id) d.call(self, id, *args) else super(*args) end end end end end |
#deflect_stop(from, id) ⇒ Object
Stop deflection method calls named id to class from.
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# File 'lib/tins/dslkit.rb', line 414 def deflect_stop(from, id) @@sync.synchronize do Deflect.deflecting.delete(from, id) or raise DeflectError, "#{from}##{id} is not deflected from" from.instance_eval { remove_method id } end end |