Get all edits in a version

JimmyBowden — Wed, 30 Oct 2019 00:05:50 GMT

I'm in need of getting all the features (feature class and oid) that have been edited in a version. I've seen the example of using a differences cursor ProConcepts Geodatabase · Esri/arcgis-pro-sdk Wiki · GitHub . I'm hoping there's a shortcut in the ArcGIS Pro SDK that prevents me from having to iterate all the feature classes with each difference type. Any thoughts? Thanks in advance.

Re: Get all edits in a version

RichRuh — Wed, 30 Oct 2019 02:38:37 GMT

There’s no shortcut. If you’re calling this against a feature service, only one REST call is made.

Re: Get all edits in a version

JimmyBowden — Wed, 30 Oct 2019 15:47:55 GMT

Thanks for the quick response. I still have some concerns about getting the "right" list of feature classes to use but I have enough to work with. Here's the code I came up with:

using ArcGIS.Core.Data;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using Version = ArcGIS.Core.Data.Version;

namespace MyNameSpace

{

public class VersionChangesService

{

public List<VersionChanges> GetChanges(Version version, List<string> featureclassnames)

{

List<VersionChanges> retval = new List<VersionChanges>();

foreach (var item in featureclassnames)

{

retval.Add(GetVersionChangesByFeatureClass(version, item));

}

return retval;

}

private VersionChanges GetVersionChangesByFeatureClass(Version version, string featureclassname)

{

using (Geodatabase versiongdb = version.Connect())

{

using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))

{

using (FeatureClass defaultFc = geodatabase.OpenDataset<FeatureClass>(featureclassname))

{

using (FeatureClass versionFc = versiongdb.OpenDataset<FeatureClass>(featureclassname))

{

List<VersionChange> diffs = GetAllDifferences(defaultFc, versionFc);

return new VersionChanges { featureClass = versionFc, Changes = diffs };

}

private List<VersionChange> GetAllDifferences(FeatureClass defaultFc, FeatureClass versionFc)

{

List<VersionChange> retval = new List<VersionChange>();

retval.AddRange(GetDifferences(defaultFc, versionFc, DifferenceType.DeleteNoChange));

retval.AddRange(GetDifferences(defaultFc, versionFc, DifferenceType.DeleteUpdate));

retval.AddRange(GetDifferences(defaultFc, versionFc, DifferenceType.Insert));

retval.AddRange(GetDifferences(defaultFc, versionFc, DifferenceType.UpdateDelete));

retval.AddRange(GetDifferences(defaultFc, versionFc, DifferenceType.UpdateNoChange));

retval.AddRange(GetDifferences(defaultFc, versionFc, DifferenceType.UpdateUpdate));

return retval;

}

private List<VersionChange> GetDifferences(FeatureClass defaultFc, FeatureClass versionFc, DifferenceType differenceType)

{

List<VersionChange> retval = new List<VersionChange>();

using (DifferenceCursor differenceCursor = versionFc.Differences(defaultFc, differenceType))

{

List<long> diffs = new List<long>();

while (differenceCursor.MoveNext())

{

using (Row current = differenceCursor.Current)

{

diffs.Add(differenceCursor.ObjectID);

}

retval.AddRange(diffs.Select(s => new VersionChange { objectId = s, differenceType = DifferenceType.DeleteNoChange }));

}

return retval;

}

public class VersionChange

{

public DifferenceType differenceType { get; set; }

public long objectId { get; set; }

}

public class VersionChanges

{

public FeatureClass featureClass { get; set; }

public List<VersionChange> Changes { get; set; }

}

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