package net.bmahe.genetics4j.core.spec.mutation;
   
   import java.util.Arrays;
   import java.util.List;
   
   import org.apache.commons.lang3.Validate;
   import org.immutables.value.Value;
   
   /**
   * Select uniformly a mutation policy among a list
   *
   */
  @Value.Immutable
  public abstract class MultiMutations implements MutationPolicy {
  
  	@Value.Parameter
  	public abstract List<MutationPolicy> mutationPolicies();
  
  	@Value.Check
  	protected void check() {
  		Validate.notNull(mutationPolicies());
  	}
  
  	public static MultiMutations of(final List<MutationPolicy> mutationPolicies) {
  		return ImmutableMultiMutations.of(mutationPolicies);
  	}
  
  	public static MultiMutations of(final MutationPolicy... mutationPolicies) {
  		return ImmutableMultiMutations.of(Arrays.asList(mutationPolicies));
  	}
  }