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JobTStatus Property

Gets the status of the job

Namespace:  Esri.ArcGISRuntime.Tasks
Assembly:  Esri.ArcGISRuntime (in Esri.ArcGISRuntime.dll) Version: 100.7.0.0
Syntax
C#
public JobStatus Status { get; }

Property Value

Type: JobStatus
Examples

Android

Example Name: ListGeodatabaseVersions

This sample calls a custom GeoprocessingTask to get a list of available versions for an enterprise geodatabase. The task returns a table of geodatabase version information, which is displayed in the app as a list.

Code example screen shot.

C#
// Copyright 2016 Esri.
// 
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an 
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific 
// language governing permissions and limitations under the License.

using Android.App;
using Android.OS;
using Android.Views;
using Android.Widget;
using Esri.ArcGISRuntime.Data;
using Esri.ArcGISRuntime.Tasks;
using Esri.ArcGISRuntime.Tasks.Geoprocessing;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;

namespace ArcGISRuntime.Samples.ListGeodatabaseVersions
{
    [Activity (ConfigurationChanges=Android.Content.PM.ConfigChanges.Orientation | Android.Content.PM.ConfigChanges.ScreenSize)]
    [ArcGISRuntime.Samples.Shared.Attributes.Sample(
        "List geodatabase versions",
        "Geoprocessing",
        "This sample calls a custom GeoprocessingTask to get a list of available versions for an enterprise geodatabase. The task returns a table of geodatabase version information, which is displayed in the app as a list.",
        "")]
    public class ListGeodatabaseVersions : Activity
    {
        // Progress bar to show when the geoprocessing task is working
        private ProgressBar _myProgressBar;

        // Edit text to display the list of geodatabases
        private EditText _myEditText_ListGeodatabases;

        // Url to used geoprocessing service
        private const string ListVersionsUrl =
            "https://sampleserver6.arcgisonline.com/arcgis/rest/services/GDBVersions/GPServer/ListVersions";

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            Title = "List geodatabase versions";

            // Create the UI, setup the control references and execute initialization 
            CreateLayout();
            Initialize();
        }

        private async void Initialize()
        {
            // Set the UI to indicate that the geoprocessing is running
            SetBusy(true);

            try
            {
                // Get versions from a geodatabase
                IFeatureSet versionsFeatureSet = await GetGeodatabaseVersionsAsync();

                // Continue if we got a valid geoprocessing result
                if (versionsFeatureSet != null)
                {
                    // Create a string builder to hold all of the information from the geoprocessing 
                    // task to display in the UI 
                    StringBuilder myStringBuilder = new StringBuilder();

                    // Loop through each Feature in the FeatureSet 
                    foreach (Feature version in versionsFeatureSet)
                    {
                        // Get the attributes (a dictionary of <key,value> pairs) from the Feature
                        IDictionary<string,object> myDictionary = version.Attributes;

                        // Loop through each attribute (a <key,value> pair)
                        foreach (KeyValuePair<string,object> attribute in myDictionary)
                        {
                            // Add the key and value strings to the string builder 
                            myStringBuilder.AppendLine(attribute.Key + ": " + attribute.Value);
                        }

                        // Add a blank line after each Feature (the listing of geodatabase versions)
                        myStringBuilder.AppendLine();
                    }

                    // Display the results to the user
                    _myEditText_ListGeodatabases.Text = myStringBuilder.ToString();
                }
            }
            catch (Exception e)
            {
                new AlertDialog.Builder(this).SetMessage(e.ToString()).SetTitle("Error").Show();
            }

            // Set the UI to indicate that the geoprocessing is not running
            SetBusy(false);
        }

        private async Task<IFeatureSet> GetGeodatabaseVersionsAsync()
        {
            // Results will be returned as a feature set
            IFeatureSet results = null;

            // Create new geoprocessing task 
            GeoprocessingTask listVersionsTask = await GeoprocessingTask.CreateAsync(new Uri(ListVersionsUrl));

            // Create default parameters that are passed to the geoprocessing task
            GeoprocessingParameters listVersionsParameters = await listVersionsTask.CreateDefaultParametersAsync();

            // Create job that handles the communication between the application and the geoprocessing task
            GeoprocessingJob listVersionsJob = listVersionsTask.CreateJob(listVersionsParameters);
            try
            {
                // Execute analysis and wait for the results
                GeoprocessingResult analysisResult = await listVersionsJob.GetResultAsync();

                // Get results from the outputs
                GeoprocessingFeatures listVersionsResults = (GeoprocessingFeatures)analysisResult.Outputs["Versions"];

                // Set results
                results = listVersionsResults.Features;
            }
            catch (Exception ex)
            {
                // Error handling if something goes wrong
                if (listVersionsJob.Status == JobStatus.Failed && listVersionsJob.Error != null)
                {
                    AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this);
                    alertBuilder.SetTitle("Geoprocessing error");
                    alertBuilder.SetMessage("Executing geoprocessing failed. " + listVersionsJob.Error.Message);
                    alertBuilder.Show();
                }
                else
                {
                    AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this);
                    alertBuilder.SetTitle("Sample error");
                    alertBuilder.SetMessage("An error occurred. " + ex.ToString());
                    alertBuilder.Show();
                }
            }
            finally
            {
                // Set the UI to indicate that the geoprocessing is not running
                SetBusy(false);
            }

            return results;
        }

        private void SetBusy(bool isBusy = true)
        {
            // This function toggles running of the 'progress' control feedback status to denote if 
            // the viewshed analysis is executing as a result of the user click on the map

            if (isBusy)
            {
                // Show busy activity indication
                _myProgressBar.Visibility = ViewStates.Visible;
            }
            else
            {
                // Remove the busy activity indication
                _myProgressBar.Visibility = ViewStates.Invisible;
            }
        }

        private void CreateLayout()
        {
            // Create a new vertical layout for the app
            LinearLayout layout = new LinearLayout(this) { Orientation = Orientation.Vertical };

            // Label for the user instructions
            TextView textview_Label1 = new TextView(this)
            {
                Text = "Current versions:"
            };
            layout.AddView(textview_Label1);

            // Add the progress bar to indicate the geoprocessing task is running; make invisible by default
            _myProgressBar = new ProgressBar(this)
            {
                Indeterminate = true,
                Visibility = ViewStates.Invisible
            };
            layout.AddView(_myProgressBar);

            // Edit text for the start date (user can change if desired)
            _myEditText_ListGeodatabases = new EditText(this);
            layout.AddView(_myEditText_ListGeodatabases);

            // Show the layout in the app
            SetContentView(layout);
        }

    }
}
Examples

Xamarin Forms Android

Example Name: ListGeodatabaseVersions

This sample calls a custom GeoprocessingTask to get a list of available versions for an enterprise geodatabase. The task returns a table of geodatabase version information, which is displayed in the app as a list.

Code example screen shot.

C#
// Copyright 2016 Esri.
// 
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an 
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific 
// language governing permissions and limitations under the License.

using Esri.ArcGISRuntime.Data;
using Esri.ArcGISRuntime.Tasks;
using Esri.ArcGISRuntime.Tasks.Geoprocessing;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Text;
using Xamarin.Forms;

namespace ArcGISRuntime.Samples.ListGeodatabaseVersions
{
    [ArcGISRuntime.Samples.Shared.Attributes.Sample(
        "List geodatabase versions",
        "Geoprocessing",
        "This sample calls a custom GeoprocessingTask to get a list of available versions for an enterprise geodatabase. The task returns a table of geodatabase version information, which is displayed in the app as a list.",
        "")]
    public partial class ListGeodatabaseVersions : ContentPage
    {

        // Url to used geoprocessing service
        private const string ListVersionsUrl =
            "https://sampleserver6.arcgisonline.com/arcgis/rest/services/GDBVersions/GPServer/ListVersions";

        public ListGeodatabaseVersions()
        {
            InitializeComponent ();

            // Create the UI, setup the control references and execute initialization
            Initialize();
        }

        private async void Initialize()
        {
            // Set the UI to indicate that the geoprocessing is running
            SetBusy(true);

            try
            {
                // Get versions from a geodatabase
                IFeatureSet versionsFeatureSet = await GetGeodatabaseVersionsAsync();

                // Continue if we got a valid geoprocessing result
                if (versionsFeatureSet != null)
                {
                    // Create a string builder to hold all of the information from the geoprocessing 
                    // task to display in the UI 
                    StringBuilder myStringBuilder = new StringBuilder();

                    // Loop through each Feature in the FeatureSet 
                    foreach (Feature version in versionsFeatureSet)
                    {
                        // Get the attributes (a dictionary of <key,value> pairs) from the Feature
                        IDictionary<string,object> myDictionary = version.Attributes;

                        // Loop through each attribute (a <key,value> pair)
                        foreach (KeyValuePair<string,object> attribute in myDictionary)
                        {
                            // Add the key and value strings to the string builder 
                            myStringBuilder.AppendLine(attribute.Key + ": " + attribute.Value);
                        }

                        // Add a blank line after each Feature (the listing of geodatabase versions)
                        myStringBuilder.AppendLine();
                    }

                    // Display the results to the user
                    theTextBox.Text = myStringBuilder.ToString();
                }
            }
            catch (Exception e)
            {
                await Application.Current.MainPage.DisplayAlert("Error", e.ToString(), "OK");
            }

            // Set the UI to indicate that the geoprocessing is not running
            SetBusy(false);
        }

        private async Task<IFeatureSet> GetGeodatabaseVersionsAsync()
        {
            // Results will be returned as a feature set
            IFeatureSet results = null;

            // Create new geoprocessing task 
            GeoprocessingTask listVersionsTask = await GeoprocessingTask.CreateAsync(new Uri(ListVersionsUrl));

            // Create default parameters that are passed to the geoprocessing task
            GeoprocessingParameters listVersionsParameters = await listVersionsTask.CreateDefaultParametersAsync();

            // Create job that handles the communication between the application and the geoprocessing task
            GeoprocessingJob listVersionsJob = listVersionsTask.CreateJob(listVersionsParameters);
            try
            {
                // Execute analysis and wait for the results
                GeoprocessingResult analysisResult = await listVersionsJob.GetResultAsync();

                // Get results from the outputs
                GeoprocessingFeatures listVersionsResults = (GeoprocessingFeatures)analysisResult.Outputs["Versions"];

                // Set results
                results = listVersionsResults.Features;
            }
            catch (Exception ex)
            {
                // Error handling if something goes wrong
                if (listVersionsJob.Status == JobStatus.Failed && listVersionsJob.Error != null)
                {
                    await Application.Current.MainPage.DisplayAlert("Geoprocessing error", "Executing geoprocessing failed. " + listVersionsJob.Error.Message, "OK");
                }
                else
                {
                    await Application.Current.MainPage.DisplayAlert("Sample error", "An error occurred. " + ex.ToString(), "OK");
                }
            }
            finally
            {
                // Set the UI to indicate that the geoprocessing is not running
                SetBusy(false);
            }

            return results;
        }
        private void SetBusy(bool isBusy = true)
        {
            // This function toggles running of the 'progress' control feedback status to denote if 
            // the viewshed analysis is executing as a result of the user click on the map

            if (isBusy)
            {
                // Show busy activity indication
                MyActivityIndicator.IsVisible = true;
                MyActivityIndicator.IsRunning = true;
            }
            else
            {
                // Remove the busy activity indication
                MyActivityIndicator.IsRunning = false;
                MyActivityIndicator.IsVisible = false;

            }
        }
    }
}
XAML
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"             
             xmlns:esriUI="clr-namespace:Esri.ArcGISRuntime.Xamarin.Forms;assembly=Esri.ArcGISRuntime.Xamarin.Forms"
             xmlns:mapping="clr-namespace:Esri.ArcGISRuntime.Mapping;assembly=Esri.ArcGISRuntime" 
             x:Class="ArcGISRuntime.Samples.ListGeodatabaseVersions.ListGeodatabaseVersions">
  <Grid>
    <Grid.RowDefinitions>
      <RowDefinition Height="auto" />
      <RowDefinition Height="*" />
    </Grid.RowDefinitions>
    <StackLayout Orientation="Vertical">
      <StackLayout Orientation="Horizontal">
        <Label Margin="10,0,0,0">Current versions:</Label>
      </StackLayout>
    </StackLayout>
    <ActivityIndicator x:Name="MyActivityIndicator" IsVisible="False"/>
    <Editor x:Name="theTextBox" Grid.Row="1"/>
  </Grid>
</ContentPage>
See Also
Additional Examples
Hyperlink to ExampleDescription
AnalyzeHotspotsUse a geoprocessing service and a set of features to identify statistically significant hot spots and cold spots.
AnalyzeViewshedCalculate a viewshed using a geoprocessing service, in this case showing what parts of a landscape are visible from points on mountainous terrain.
ApplyScheduledUpdatesApply scheduled updates to a downloaded preplanned map area.
EditAndSyncFeaturesSynchronize offline edits with a feature service.
ExportTilesDownload tiles to a local tile cache file stored on the device.
GenerateGeodatabaseGenerate a local geodatabase from an online feature service.
GenerateOfflineMapTake a web map offline.
GenerateOfflineMapWithOverridesUse the `OfflineMapTask` with overrides to take a webmap offline. The overrides workflow allows you to adjust the settings used for taking each layer in the map offline. For a simple example of how you take a map offline, please consult the "Generate Offline Map" sample.
GeodatabaseTransactionsThis sample demonstrates how to manage edits to a local geodatabase inside of transactions.
ListGeodatabaseVersionsThis sample calls a custom GeoprocessingTask to get a list of available versions for an enterprise geodatabase. The task returns a table of geodatabase version information, which is displayed in the app as a list.
OfflineBasemapByReferenceUse the `OfflineMapTask` to take a web map offline, but instead of downloading an online basemap, use one which is already on the device.