package net.bmahe.genetics4j.neat.spec.mutation;
   
   import org.apache.commons.lang3.Validate;
   import org.immutables.value.Value;
   
   import net.bmahe.genetics4j.core.spec.mutation.MutationPolicy;
   
   @Value.Immutable
   public abstract class AddNode implements MutationPolicy {
  
  	@Value.Parameter
  	public abstract double populationMutationProbability();
  
  	@Value.Check
  	protected void check() {
  		Validate.inclusiveBetween(0.0, 1.0, populationMutationProbability());
  	}
  
  	/**
  	 * Construct a new immutable {@code AddNodeMutation} instance.
  	 *
  	 * @param populationMutationProbability The value for the
  	 *                                      {@code populationMutationProbability}
  	 *                                      attribute
  	 * @return An immutable AddNodeMutation instance
  	 */
  	public static AddNode of(final double populationMutationProbability) {
  		return ImmutableAddNode.of(populationMutationProbability);
  	}
  
  }