/// <summary>
/// Provides solve operation.
/// </summary>
/// <param name="request">Request to solver.</param>
/// <param name="cancelTracker">Cancel tracker.</param>
/// <returns>Function returning BatchRouteSolveResponse.</returns>
/// <exception cref="ESRI.ArcLogistics.Routing.RouteException">If get
/// directions operation error occurs.</exception>
public Func <SolveOperationResult <BatchRouteSolveRequest> > Solve(
BatchRouteSolveRequest request,
ICancelTracker cancelTracker)
{
Debug.Assert(request != null);
Debug.Assert(request.Requests != null);
try
{
List <RouteSolveResponse> responses = new List <RouteSolveResponse>();
foreach (RouteSolveRequest req in request.Requests)
{
responses.Add(_context.RouteService.Solve(req,
RouteRequestBuilder.JsonTypes));
}
var response = new BatchRouteSolveResponse(responses.ToArray());
return(() => new SolveOperationResult <BatchRouteSolveRequest>
{
SolveResult = _ProcessSolveResult(response),
NextStepOperation = null,
});
}
catch (RestException e)
{
throw SolveHelper.ConvertServiceException(
Properties.Messages.Error_GetDirections, e);
}
}
/// <summary>
/// Processing results of solve operation.
/// </summary>
/// <param name="batchResponse">Response from solver.</param>
/// <returns>SolveResult.</returns>
/// <exception cref="RouteException">In case of invalid GPFeature mapping.
/// </exception>
private SolveResult _ProcessSolveResult(BatchRouteSolveResponse batchResponse)
{
Debug.Assert(batchResponse != null);
Debug.Assert(batchResponse.Responses != null);
List <RouteMessage> messages = new List <RouteMessage>();
foreach (RouteSolveResponse resp in batchResponse.Responses)
{
if (resp.Directions != null &&
resp.Directions.Length > 0)
{
// We use one request per route, so we get first directions element.
RouteDirections routeDirs = resp.Directions[0];
// Route id.
Guid routeId = new Guid(routeDirs.RouteName);
// Find route.
Route route = _FindRoute(routeId);
if (route == null)
{
throw new RouteException(Properties.Messages.Error_InvalidGPFeatureMapping);
}
// Set directions.
_SetDirections(route.Stops, routeDirs.Features);
}
if (resp.Messages != null)
{
messages.AddRange(resp.Messages);
}
}
return(_CreateSolveResult(messages.ToArray()));
}
