class NodeObserverInt

self.instance(). @description

Gets instance. Lazily initializes instance.

@return [NodeObserver]

The instance.

# File lib/node_observer_int.rb, line 21
def self.instance()
end

self.instance=(singleton = nil). @description

Sets the singleton instance.

@param singleton [NodeObserver]

The instance.

@return [NodeObserver]

The argument.

# File lib/node_observer_int.rb, line 172
def self.instance=(singleton = nil)
end

initialize(subjects = Set[], changed_subjects = Set[]). @description

Initializes the singleton instance's instance variables.

@param subjects [Set]

An empty Set.

@param changed_subjects [Set]

An empty Set.

# File lib/node_observer_int.rb, line 162
def initialize(subjects = Set[], changed_subjects = Set[])
end

add(n = nil). @description

Adds observing a subject.

@param n [Node]

The addition.

@return [NilClass]

nil.

# File lib/node_observer_int.rb, line 61
def add(n = nil)
end

changed_node(subject = nil). @description

Predicate. Verifies a subject was changed.

@param subject [Node]

Any instance.

@return [TrueClass, FalseClass]

True in the case the argument is a changed element. False otherwise.

# File lib/node_observer_int.rb, line 41
def changed_node(subject = nil)
end

remove(n = nil). @description

Removes a subject.

@param n [Node]

The removal.

@return [NilClass]

nil.

# File lib/node_observer_int.rb, line 71
def remove(n = nil)
end

subject(n = nil). @description

Predicate. Verifies a Node is a subject.

@param n [Node]

Any instance.

@return [TrueClass, FalseClass]

True in the case the argument is an 'observing' element. False otherwise.

# File lib/node_observer_int.rb, line 31
def subject(n = nil)
end

subject_changed(subject = nil). @description

Adds an existing subject the changed Set.

@param subject [Node]

A subject.

@return [NilClass]

nil.

# File lib/node_observer_int.rb, line 51
def subject_changed(subject = nil)
end

add_changed(n = nil). @description

Adds changed a changed subject.

@param n [Node]

A changed subject.

@return [NilClass]

nil.

# File lib/node_observer_int.rb, line 99
def add_changed(n = nil)
end

changed(). @description

Gets changed.

@return [Set]

changed's reference.

# File lib/node_observer_int.rb, line 89
def changed()
end

notify(n = nil). @description

Updates a subject's subscribers.

@param n [Node]

A changed subject.

@return [NilClass]

nil.

# File lib/node_observer_int.rb, line 120
def notify(n = nil)
end

observing(). @description

Gets 'observing'.

@return [Set]

observing's reference.

# File lib/node_observer_int.rb, line 81
def observing()
end

remove_changed(n = nil). @description

Removes a changed subject. Calls after a Subscription update call.

@param n [Node]

A changed element. The element's subscribers were updated, so it is an
unchanged subject.

@return [NilClass]

nil.

# File lib/node_observer_int.rb, line 110
def remove_changed(n = nil)
end

changed=(s = nil). @description

Sets 'changed'.

@param s [Set]

An empty set.

@return [Set]

The argument.

# File lib/node_observer_int.rb, line 142
def changed=(s = nil)
end

observing=(s = nil). @description

Sets observing.

@param s [Set]

An empty set.

@return [Set]

The argument.

# File lib/node_observer_int.rb, line 132
def observing=(s = nil)
end

receive_change(n = nil). @description

Receives a Node's state change.

@param n [Node]

An existing subject.

@return [NilClass]

nil.

# File lib/node_observer_int.rb, line 152
def receive_change(n = nil)
end