SetLocalPreference.java

package org.batfish.datamodel.routing_policy.statement;

import org.batfish.datamodel.BgpRoute;
import org.batfish.datamodel.routing_policy.Environment;
import org.batfish.datamodel.routing_policy.Result;
import org.batfish.datamodel.routing_policy.expr.IntExpr;

import com.fasterxml.jackson.annotation.JsonCreator;

public class SetLocalPreference extends Statement {

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

   private IntExpr _localPreference;

   @JsonCreator
   private SetLocalPreference() {
   }

   public SetLocalPreference(IntExpr localPreference) {
      _localPreference = localPreference;
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj) {
         return true;
      }
      if (obj == null) {
         return false;
      }
      if (getClass() != obj.getClass()) {
         return false;
      }
      SetLocalPreference other = (SetLocalPreference) obj;
      if (_localPreference == null) {
         if (other._localPreference != null) {
            return false;
         }
      }
      else if (!_localPreference.equals(other._localPreference)) {
         return false;
      }
      return true;
   }

   @Override
   public Result execute(Environment environment) {
      Result result = new Result();
      BgpRoute.Builder bgpBuilder = (BgpRoute.Builder) environment
            .getOutputRoute();
      int localPreference = _localPreference.evaluate(environment);
      bgpBuilder.setLocalPreference(localPreference);
      if (environment.getWriteToIntermediateBgpAttributes()) {
         environment.getIntermediateBgpAttributes()
               .setLocalPreference(localPreference);
      }
      return result;
   }

   public IntExpr getLocalPreference() {
      return _localPreference;
   }

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

   public void setLocalPreference(IntExpr localPreference) {
      _localPreference = localPreference;
   }

}