How to use

getMetric

method

in

org.batfish.datamodel.AbstractRoute

 @Override
 protected Long featureValueOf(AbstractRoute actual) {
  return actual.getMetric();
 }
}

@Override
public long evaluate(Environment environment) {
 long oldMetric = environment.getOriginalRoute().getMetric();
 long newVal = oldMetric - _subtrahend;
 return newVal;
}

@Override
public long evaluate(Environment environment) {
 long oldMetric = environment.getOriginalRoute().getMetric();
 long newVal = oldMetric + _addend;
 return newVal;
}

@Override
public long evaluate(Environment environment) {
 return environment.getOriginalRoute().getMetric();
}

 /**
  * Attempt to calculate the cost to reach given routes next hop IP.
  *
  * @param route bgp route
  * @return if next hop IP matches a route we have, returns the metric for that route; otherwise
  *     {@link Long#MAX_VALUE}
  */
 private long getIgpCostToNextHopIp(BgpRoute route) {
  if (_mainRib == null) {
   return Long.MAX_VALUE;
  }
  Set<AbstractRoute> s = _mainRib.longestPrefixMatch(route.getNextHopIp());
  return s == null || s.isEmpty() ? Long.MAX_VALUE : s.iterator().next().getMetric();
 }
}

  computeNextHopNode(route.getNextHopIp(), ipOwners))
.setAdminDistance(route.getAdministrativeCost())
.setMetric(route.getMetric())
.setTag(route.getTag())
.build()));

/**
 * Converts a {@link AbstractRoute} to a {@link Row}
 *
 * @param hostName {@link String} host-name of the node containing the route
 * @param vrfName {@link String} name of the VRF containing the route
 * @param abstractRoute {@link AbstractRoute} to convert
 * @param columnMetadataMap Column metadata of the columns for this {@link Row} c
 * @return {@link Row} representing the {@link AbstractRoute}
 */
private static Row abstractRouteToRow(
  String hostName,
  String vrfName,
  AbstractRoute abstractRoute,
  Map<String, ColumnMetadata> columnMetadataMap,
  @Nullable Map<Ip, Set<String>> ipOwners) {
 return Row.builder(columnMetadataMap)
   .put(COL_NODE, new Node(hostName))
   .put(COL_VRF_NAME, vrfName)
   .put(COL_NETWORK, abstractRoute.getNetwork())
   .put(COL_NEXT_HOP_IP, abstractRoute.getNextHopIp())
   .put(COL_NEXT_HOP, computeNextHopNode(abstractRoute.getNextHopIp(), ipOwners))
   .put(COL_PROTOCOL, abstractRoute.getProtocol())
   .put(
     COL_TAG, abstractRoute.getTag() == AbstractRoute.NO_TAG ? null : abstractRoute.getTag())
   .put(COL_ADMIN_DISTANCE, abstractRoute.getAdministrativeCost())
   .put(COL_METRIC, abstractRoute.getMetric())
   .build();
}

transformedOutgoingRouteBuilder.setMetric(route.getMetric());

environment.setIntermediateBgpAttributes(ir);
AbstractRoute or = environment.getOriginalRoute();
ir.setMetric(or.getMetric());
ir.setTag(or.getTag());