package civitas.common.ballotdesign;
   
   import java.util.ArrayList;
   import java.util.List;
   
   import civitas.common.CommonConstants;
   
   public class ListContextsNeeded implements CommonConstants {
   
  	public List<String> apply(final BallotDesign that, final String baseContext) {
  		var l = new ArrayList<String>();
  		apply(that, l, baseContext);
  		return l;
  	}
  
  	private void apply(final BallotDesign that, final List<String> l, final String context) {
  		int k = that.candidates.length;
  		for (int i = 0; i < k; i++) {
  			for (int j = i + 1; j < k; j++) {
  				l.add(context + KIND + i + ":" + j);
  			}
  		}
  	}
  }