Class: Dragonfly::FunctionManager
- Inherits:
-
Object
- Object
- Dragonfly::FunctionManager
show all
- Defined in:
- lib/dragonfly/function_manager.rb
Defined Under Namespace
Classes: NotDefined, UnableToHandle
Instance Attribute Summary collapse
Instance Method Summary
collapse
Constructor Details
Returns a new instance of FunctionManager.
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# File 'lib/dragonfly/function_manager.rb', line 11
def initialize
@functions = {}
@objects = []
end
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Instance Attribute Details
#functions ⇒ Object
Returns the value of attribute functions
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# File 'lib/dragonfly/function_manager.rb', line 21
def functions
@functions
end
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Returns the value of attribute objects
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# File 'lib/dragonfly/function_manager.rb', line 21
def objects
@objects
end
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Instance Method Details
#add(name, callable_obj = nil, &block) ⇒ Object
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# File 'lib/dragonfly/function_manager.rb', line 16
def add(name, callable_obj=nil, &block)
functions[name] ||= []
functions[name] << (callable_obj || block)
end
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#call_last(meth, *args) ⇒ Object
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# File 'lib/dragonfly/function_manager.rb', line 35
def call_last(meth, *args)
if functions[meth.to_sym]
functions[meth.to_sym].reverse.each do |function|
catch :unable_to_handle do
return function.call(*args)
end
end
raise UnableToHandle, "None of the functions registered with #{self} were able to deal with the method call " +
"#{meth}(#{args.map{|a| a.inspect[0..100]}.join(',')}). You may need to register one that can."
else
raise NotDefined, "function #{meth} not registered with #{self}"
end
end
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#get_registered(klass) ⇒ Object
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# File 'lib/dragonfly/function_manager.rb', line 50
def get_registered(klass)
objects.reverse.detect{|o| o.instance_of?(klass) }
end
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# File 'lib/dragonfly/function_manager.rb', line 54
def inspect
to_s.sub(/>$/, " with functions: #{functions.keys.map{|k| k.to_s }.sort.join(', ')} >")
end
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#register(klass, *args, &block) ⇒ Object
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# File 'lib/dragonfly/function_manager.rb', line 23
def register(klass, *args, &block)
obj = klass.new(*args)
obj.configure(&block) if block
obj.use_same_log_as(self) if obj.is_a?(Loggable)
obj.use_as_fallback_config(self) if obj.is_a?(Configurable)
methods_to_add(obj).each do |meth|
add meth.to_sym, obj.method(meth)
end
objects << obj
obj
end
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