Class: Enf::Elephant

Inherits:
Object
  • Object
show all
Defined in:
lib/enf/elephant.rb,
lib/enf/elephant/fetch_service.rb

Overview

Represent a node of the graph

Direct Known Subclasses

Nope

Defined Under Namespace

Classes: CannotRegister, FetchService, Nope

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(default_leave_value = false) ⇒ Elephant

Returns a new instance of Elephant.



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# File 'lib/enf/elephant.rb', line 12

def initialize(default_leave_value = false)
  @default_leave_value = default_leave_value
  self.leave = default_leave_value
  @children = Hash.new { |hash, key| hash[key] = Elephant.new }
end

Instance Attribute Details

#children ⇒ Object (readonly)

Returns the value of attribute children.



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# File 'lib/enf/elephant.rb', line 9

def children
  @children
end

#default_leave_value ⇒ Object (readonly)

Returns the value of attribute default_leave_value.



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# File 'lib/enf/elephant.rb', line 9

def default_leave_value
  @default_leave_value
end

#leave ⇒ Object

Returns the value of attribute leave.



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# File 'lib/enf/elephant.rb', line 10

def leave
  @leave
end

Instance Method Details

#include?(element) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/enf/elephant.rb', line 36

def include?(element)
  return default_leave_value if Input.invalid?(element)
  FetchService.search_in(self, element) { neutral_node }.leave
end

#register!(element, payload = true) ⇒ Object 



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# File 'lib/enf/elephant.rb', line 18

def register!(element, payload = true)
  fail CannotRegister if frozen? || Input.invalid?(element)
  return (self.leave = payload) if element.empty?
  children[element[0]].register!(element[1..-1])
end