Class: OkComputer::Registry

Inherits:
Object
  • Object
show all
Defined in:
lib/ok_computer/registry.rb

Constant Summary collapse

CheckNotFound =

used when fetching a check that has not been registered

Class.new(StandardError)

Class Method Summary collapse

Class Method Details

.all ⇒ Object

Public: Return an object containing all the registered checks

Returns a CheckCollection instance



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# File 'lib/ok_computer/registry.rb', line 21

def self.all
  CheckCollection.new registry
end

.deregister(check_name) ⇒ Object

Public: Remove the check of the given name being checked

check_name - The name of the check to retrieve



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# File 'lib/ok_computer/registry.rb', line 37

def self.deregister(check_name)
  registry.delete(check_name)
end

.fetch(check_name) ⇒ Object

Public: Return the check registered to the given name

check_name - The name of the check to retrieve

Returns the registered check or raises Registry::CheckNotFound



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# File 'lib/ok_computer/registry.rb', line 12

def self.fetch(check_name)
  registry.fetch(check_name)
rescue KeyError
  raise CheckNotFound, "No check registered with '#{check_name}'"
end

.register(check_name, check_object) ⇒ Object

Public: Register the given check with OkComputer

check_name - The name of the check to retrieve check_object - Instance of Checker to register



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# File 'lib/ok_computer/registry.rb', line 29

def self.register(check_name, check_object)
  check_object.registrant_name = check_name
  registry[check_name] = check_object
end

.registry ⇒ Object

Private: The list of registered checks, keyed by their unique names

Returns a Hash



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# File 'lib/ok_computer/registry.rb', line 44

def self.registry
  @registry ||= {}
end