internal static JobResult FromJson(string json)
{
if (string.IsNullOrEmpty(json)) return null;
var jObject = JObject.Parse(json);
if (jObject == null || jObject.Count == 0) return null;
var result = new JobResult();
if (jObject["jobId"] != null && jObject["jobId"].Type == JTokenType.String)
result.ID = jObject["jobId"].Value<string>();
if (jObject["jobStatus"] != null && jObject["jobStatus"].Type == JTokenType.String)
result.Status = (esriJobStatus)Enum.Parse(typeof(esriJobStatus), jObject["jobStatus"].Value<string>());
return result;
}
private void GetResultLayer(JobResult jobResult, string taskUrl, string outputName, object userToken = null)
{
var client = new ArcGISWebClient();
client.DownloadStringCompleted += (a, b) =>
{
var json = b.Result;
var jObject = JObject.Parse(json);
var fsJson = jObject["value"]["featureCollection"].ToString();
OnAnalysisCompleted(new AnalysisEventArgs(FeatureSet.FromJson(fsJson), userToken));
};
var parameters = new Dictionary<string, string>();
parameters["f"] = "json";
parameters["token"] = Token;
parameters["returnType"] = "data";
client.DownloadStringAsync(new Uri(string.Format("{0}/jobs/{1}/results/{2}", taskUrl, jobResult.ID, outputName)), parameters);
}
private void CheckJobStatus(JobResult jobResult, string taskUrl, string outputName, object userToken = null)
{
var d = new DispatcherTimer();
d.Interval = TimeSpan.FromMilliseconds(UpdateDelay);
var gp = new Geoprocessor(taskUrl) { Token = Token, DisableClientCaching = true };
gp.StatusUpdated += (s, e) =>
{
if (e.JobInfo.JobStatus == esriJobStatus.esriJobCancelled ||
e.JobInfo.JobStatus == esriJobStatus.esriJobDeleted ||
e.JobInfo.JobStatus == esriJobStatus.esriJobFailed ||
e.JobInfo.JobStatus == esriJobStatus.esriJobSucceeded ||
e.JobInfo.JobStatus == esriJobStatus.esriJobTimedOut)
{
d.Stop();
if (e.JobInfo.JobStatus == esriJobStatus.esriJobSucceeded)
GetResultLayer(jobResult, taskUrl, outputName, userToken);
else
OnAnalysisCompleted(new AnalysisEventArgs(new Exception(string.Format("Job has been {0}", e.JobInfo.JobStatus.ToString().ToLower().Replace("esrijob", string.Empty))), userToken));
}
};
d.Tick += (s, e) =>
{
gp.CheckJobStatusAsync(jobResult.ID);
};
d.Start();
}
