PathSize.java

package org.batfish.datamodel.assertion;

import com.fasterxml.jackson.databind.node.ArrayNode;

public class PathSize implements ComparableExpr {

   private StringExpr _pathExpr;

   public PathSize(StringExpr pathExpr) {
      _pathExpr = pathExpr;
   }

   @Override
   public Comparable<?> evaluate(Environment env) {
      String path = _pathExpr.evaluate(env);
      ArrayNode pathResult = env.computePath(path);
      return pathResult.size();
   }

}