Class: Statesman::Guard

Inherits:

Callback

• Object
• Callback
• Statesman::Guard

Defined in:

lib/statesman/guard.rb

Instance Attribute Summary

Attributes inherited from Callback

#callback, #from, #to

Instance Method Summary

• #call(object = nil, last_transition = nil, metadata = nil) ⇒ Object

Methods inherited from Callback

#applies_to?, #initialize

Constructor Details

This class inherits a constructor from Statesman::Callback

Instance Method Details

#call(object = nil, last_transition = nil, metadata = nil) ⇒ Object

Raises:

• (GuardFailedError)

# File 'lib/statesman/guard.rb', line 8

def call(object = nil, last_transition = nil, metadata = nil)
  raise GuardFailedError.new(from, to, callback, object) unless super
end