code: /*
   * Copyright (c) 2021 Callum Newlands
   *
   *     This program is free software: you can redistribute it and/or modify
   *     it under the terms of the GNU General Public License as published by
   *     the Free Software Foundation, either version 3 of the License, or
   *     (at your option) any later version.
   *
   *     The additional term of 7.b applies: Requiring preservation of specified
   *     reasonable legal notices or author attributions in that material or in the
   *     Appropriate Legal Notices displayed by works containing it
   *
   *     This program is distributed in the hope that it will be useful,
   *     but WITHOUT ANY WARRANTY; without even the implied warranty of
   *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *     GNU General Public License for more details.
   *
   *     You should have received a copy of the GNU General Public License
   *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  package lsystems;
  
  import java.util.List;
  import java.util.Map;
  import java.util.function.Predicate;
  import lsystems.modules.Module;
  import lsystems.modules.PredecessorModule;
  
  public class ProductionBuilder {
  
  	private List<PredecessorModule> leftContext;
  	private final List<PredecessorModule> predecessor;
  	private List<PredecessorModule> rightContext;
  	private final List<Module> successor;
  	private Predicate<Map<String, Float>> condition;
  	private float probability = 1.0f;
  
  	public ProductionBuilder(List<PredecessorModule> predecessor, List<Module> successor) {
  		this.successor = successor;
  		this.predecessor = predecessor;
  	}
  
  	public ProductionBuilder withLeftContext(List<PredecessorModule> leftContext) {
  		this.leftContext = leftContext;
  		return this;
  	}
  
  	public ProductionBuilder withRightContext(List<PredecessorModule> rightContext) {
  		this.rightContext = rightContext;
  		return this;
  	}
  
  	public ProductionBuilder withCondition(Predicate<Map<String, Float>> condition) {
  		this.condition = condition;
  		return this;
  	}
  
  	public ProductionBuilder withProbability(Float probability) {
  		this.probability = probability;
  		return this;
  	}
  
  	public Production build() {
  		return new Production(leftContext, predecessor, rightContext, condition, successor, probability);
  	}
  }
  