Eq.java

package org.batfish.datamodel.assertion;

import org.batfish.common.BatfishException;

public class Eq implements BooleanExpr {

   private Expr _lhs;

   private Expr _rhs;

   public Eq(Expr lhs, Expr rhs) {
      _lhs = lhs;
      _rhs = rhs;
   }

   @Override
   public Boolean evaluate(Environment env) {
      Object lhs = _lhs.evaluate(env);
      Object rhs = _rhs.evaluate(env);
      if (!lhs.getClass().equals(rhs.getClass())) {
         throw new BatfishException(
               "Class mismatch: lhs: '" + lhs + "', rhs: '" + rhs + "'");
      }
      return lhs.equals(rhs);
   }

}