Class: FutureResource

Inherits:
Object show all
Defined in:
lib/adhearsion/foundation/future_resource.rb

Defined Under Namespace

Classes: ResourceAlreadySetException

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FutureResource

Returns a new instance of FutureResource.



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# File 'lib/adhearsion/foundation/future_resource.rb', line 5

def initialize
  @resource_lock          = Monitor.new
  @resource_value_blocker = @resource_lock.new_cond
end

Instance Method Details

#resource ⇒ Object 



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# File 'lib/adhearsion/foundation/future_resource.rb', line 14

def resource
  @resource_lock.synchronize do
    @resource_value_blocker.wait unless defined? @resource
    @resource
  end
end

#resource=(resource) ⇒ Object 



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# File 'lib/adhearsion/foundation/future_resource.rb', line 21

def resource=(resource)
  @resource_lock.synchronize do
    raise ResourceAlreadySetException if defined? @resource
    @resource = resource
    @resource_value_blocker.broadcast
    @resource_value_blocker = nil # Don't really need it anymore.
  end
end

#set_yet? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/adhearsion/foundation/future_resource.rb', line 10

def set_yet?
  @resource_lock.synchronize { defined? @resource }
end