Class: Chef::Resource::Notification

Inherits:
Struct
  • Object
show all
Defined in:
lib/chef/resource.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#action ⇒ Object

Returns the value of attribute action

Returns:

  • (Object) —

    the current value of action



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# File 'lib/chef/resource.rb', line 32

def action
  @action
end

#notifying_resource ⇒ Object

Returns the value of attribute notifying_resource

Returns:

  • (Object) —

    the current value of notifying_resource



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# File 'lib/chef/resource.rb', line 32

def notifying_resource
  @notifying_resource
end

#resource ⇒ Object

Returns the value of attribute resource

Returns:

  • (Object) —

    the current value of resource



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# File 'lib/chef/resource.rb', line 32

def resource
  @resource
end

Instance Method Details

#duplicates?(other_notification) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/resource.rb', line 34

def duplicates?(other_notification)
  unless other_notification.respond_to?(:resource) && other_notification.respond_to?(:action)
    msg = "only duck-types of Chef::Resource::Notification can be checked for duplication "\
          "you gave #{other_notification.inspect}"
    raise ArgumentError, msg
  end
  other_notification.resource == resource && other_notification.action == action
end

#resolve_resource_reference(resource_collection) ⇒ Object 



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# File 'lib/chef/resource.rb', line 43

def resolve_resource_reference(resource_collection)
  return resource if resource.kind_of?(Chef::Resource)

  matching_resource = resource_collection.find(resource)
  if Array(matching_resource).size > 1
    msg = "Notification #{self} from #{notifying_resource} was created with a reference to multiple resources, "\
          "but can only notify one resource. Notifying resource was defined on #{notifying_resource.source_line}"
    raise Chef::Exceptions::InvalidResourceReference, msg
  end
  self.resource = matching_resource
rescue Chef::Exceptions::ResourceNotFound => e
  err = Chef::Exceptions::ResourceNotFound.new(<<-FAIL)
Resource #{notifying_resource} is configured to notify resource #{resource} with action #{action}, \
but #{resource} cannot be found in the resource collection. #{notifying_resource} is defined in \
#{notifying_resource.source_line}
FAIL
  err.set_backtrace(e.backtrace)
  raise err
rescue Chef::Exceptions::InvalidResourceSpecification => e
    err = Chef::Exceptions::InvalidResourceSpecification.new(<<-F)
Resource #{notifying_resource} is configured to notify resource #{resource} with action #{action}, \
but #{resource.inspect} is not valid syntax to look up a resource in the resource collection. Notification \
is defined near #{notifying_resource.source_line}
F
    err.set_backtrace(e.backtrace)
  raise err
end