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Ref::Reference

This class serves as a generic reference mechanism to other objects. The actual reference can be either a WeakReference, SoftReference, or StrongReference.

Attributes

referenced_object_id[R]

The object id of the object being referenced.

Public Class Methods

new(obj) click to toggle source

Create a new reference to an object.

# File lib/ref/reference.rb, line 9
def initialize(obj)
  raise NotImplementedError.new("cannot instantiate a generic reference")
end

Public Instance Methods

inspect() click to toggle source
# File lib/ref/reference.rb, line 19
def inspect
  obj = object
  "<##{self.class.name}: #{obj ? obj.inspect : "##{referenced_object_id} (not accessible)"}>"
end
object() click to toggle source

Get the referenced object. This could be nil if the reference is a WeakReference or a SoftReference and the object has been reclaimed by the garbage collector.

# File lib/ref/reference.rb, line 15
def object
  raise NotImplementedError
end

[Validate]

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