Class: Statesman::Guard

Inherits:
Callback show all
Defined in:
lib/statesman/guard.rb

Instance Attribute Summary

Attributes inherited from Callback

#callback, #from, #to

Instance Method Summary collapse

Methods inherited from Callback

#applies_to?, #initialize

Constructor Details

This class inherits a constructor from Statesman::Callback

Instance Method Details

#call(*args) ⇒ Object 



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# File 'lib/statesman/guard.rb', line 6

def call(*args)
  unless super(*args)
    raise GuardFailedError,
          "Guard on transition from: '#{from}' to '#{to}' returned false"
  end
end