Class: Cayuga::Object::Factory

Inherits:
Object
  • Object
show all
Includes:
FactoryHelper, Tools::Loggable
Defined in:
lib/cayuga/object/factory.rb

Overview

Cayuga Object Factory

Instance Attribute Summary collapse

Attributes included from FactoryHelper

#_constants, #_directories, #_files, #_logs_annotation_marker, #_logs_directory

Instance Method Summary collapse

Methods included from Tools::Loggable

included

Instance Attribute Details

#configuration_name ⇒ Object (readonly)

Returns the value of attribute configuration_name.



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# File 'lib/cayuga/object/factory.rb', line 17

def configuration_name
  @configuration_name
end

Instance Method Details

#[](klass, name = nil) ⇒ Object 



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# File 'lib/cayuga/object/factory.rb', line 73

def [](klass, name = nil)
  key = klass.symbolize
  value = lookup_registered_instances(key, name)
  if value.nil?
    value = create_instance(type(key), klass.classify, name)
  end
  value
end

#constants ⇒ Object 



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# File 'lib/cayuga/object/factory.rb', line 23

def constants
  @constants ||= self[Cayuga::Object::Constants]
end

#deregister_class(klass) ⇒ Object 



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# File 'lib/cayuga/object/factory.rb', line 47

def deregister_class(klass)
  types.delete(klass.symbolize)
end

#logger ⇒ Object 



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# File 'lib/cayuga/object/factory.rb', line 19

def logger
  @logger ||= self[Cayuga::Object::Logger]
end

#register(instance, klass, name = nil) ⇒ Object 



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# File 'lib/cayuga/object/factory.rb', line 55

def register(instance, klass, name = nil)
  key = klass.symbolize
  type = type(key)
  generate_registration_errors(klass, name, key, type)
  case type
    when :named
      value = instances[key]
      if value.nil?
        value = {}
        instances[key] = value
      end
      value[name] = instance
    else
      instances[key] = instance
  end
  instance
end

#register_class(klass, type) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/cayuga/object/factory.rb', line 39

def register_class(klass, type)
  message = "'#{type}' must be object, singleton or named"
  ok = %i[object singleton named].include? type.symbolize
  raise ArgumentError, message unless ok

  register_classes([klass], type)
end

#registered?(klass, name = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cayuga/object/factory.rb', line 51

def registered?(klass, name = nil)
  lookup_registered_instances(klass.symbolize, name) != nil
end

#registered_class?(klass) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cayuga/object/factory.rb', line 35

def registered_class?(klass)
  types.key?(klass.symbolize)
end

#release(klass, name = nil) ⇒ Object 



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# File 'lib/cayuga/object/factory.rb', line 82

def release(klass, name = nil)
  key = klass.symbolize
  return unless registered?(key, name)

  type = type(key)
  case type
    when :singleton
      instances.delete(key)
    when :named
      value = instances[key]
      if value
        value.delete(name)
      end
    else
      raise "bad type '#{type}'"
  end
end

#supported?(klass) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cayuga/object/factory.rb', line 27

def supported?(klass)
  types.key?(klass.symbolize)
end

#type(klass) ⇒ Object 



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# File 'lib/cayuga/object/factory.rb', line 31

def type(klass)
  types[klass.symbolize]
end