Not.java

package org.batfish.datamodel.routing_policy.expr;

import org.batfish.datamodel.routing_policy.Environment;
import org.batfish.datamodel.routing_policy.Result;

import com.fasterxml.jackson.annotation.JsonCreator;

public class Not extends BooleanExpr {

   /**
    *
    */
   private static final long serialVersionUID = 1L;

   private BooleanExpr _expr;

   @JsonCreator
   private Not() {
   }

   public Not(BooleanExpr expr) {
      _expr = expr;
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj) {
         return true;
      }
      if (obj == null) {
         return false;
      }
      if (getClass() != obj.getClass()) {
         return false;
      }
      Not other = (Not) obj;
      if (_expr == null) {
         if (other._expr != null) {
            return false;
         }
      }
      else if (!_expr.equals(other._expr)) {
         return false;
      }
      return true;
   }

   @Override
   public Result evaluate(Environment environment) {
      Result result = _expr.evaluate(environment);
      if (!result.getExit()) {
         result.setBooleanValue(!result.getBooleanValue());
      }
      return result;
   }

   public BooleanExpr getExpr() {
      return _expr;
   }

   @Override
   public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + ((_expr == null) ? 0 : _expr.hashCode());
      return result;
   }

   public void setExpr(BooleanExpr expr) {
      _expr = expr;
   }

}