Class: Wallace::State

Inherits:
Object
  • Object
show all
Defined in:
lib/core/state.rb

Overview

This class is used to record information about the state of the evolution.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(population) ⇒ State

Constructs a new state object.

Parameters

  • population, the population of the state.



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# File 'lib/core/state.rb', line 14

def initialize(population)
  @population = population
  @generations = 0
  @stagnation = 0
  @best = population.best
end

Instance Attribute Details

#best ⇒ Object (readonly)

Allow all information to be read, but not changed.



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# File 'lib/core/state.rb', line 5

def best
  @best
end

#generations ⇒ Object (readonly)

Allow all information to be read, but not changed.



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# File 'lib/core/state.rb', line 5

def generations
  @generations
end

#population ⇒ Object (readonly)

Allow all information to be read, but not changed.



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# File 'lib/core/state.rb', line 5

def population
  @population
end

#stagnation ⇒ Object (readonly)

Allow all information to be read, but not changed.



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# File 'lib/core/state.rb', line 5

def stagnation
  @stagnation
end

Instance Method Details

#next! ⇒ Object

Updates the state object with the current state of the evolver.



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# File 'lib/core/state.rb', line 22

def next!
  @generations += 1
  @stagnation += 1
  pbest = population.best
  @best = pbest if pbest < @best
end