/// <summary>
/// Exports the version differences to the specified export file.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="target">The target.</param>
/// <param name="exportFileName">Name of the export file.</param>
/// <param name="exportOption">The export option.</param>
/// <param name="overwrite">if set to <c>true</c> when the delta file should be overwritten when it exists.</param>
public static void ExportDataChanges(this IVersion source, IVersion target, string exportFileName, esriExportDataChangesOption exportOption, bool overwrite)
{
IVersionDataChangesInit vdci = new VersionDataChangesClass();
IWorkspaceName wsNameSource = (IWorkspaceName)((IDataset)source).FullName;
IWorkspaceName wsNameTarget = (IWorkspaceName)((IDataset)target).FullName;
vdci.Init(wsNameSource, wsNameTarget);
IExportDataChanges2 edc = new DataChangesExporterClass();
edc.ExportDataChanges(exportFileName, exportOption, (IDataChanges)vdci, overwrite);
}
/// <summary>
/// Gets the differences between the <paramref name="source" /> and <paramref name="target" /> versions.
/// </summary>
/// <param name="source">The source (or child) version.</param>
/// <param name="target">The target (or parent) version.</param>
/// <param name="filter">The predicate to filter the results.</param>
/// <param name="predicate">
/// The predicate that defines a set of criteria and determines whether the specified differences
/// will be loaded.
/// </param>
/// <param name="differenceTypes">The type of differences that will be determined.</param>
/// <returns>
/// Returns a <see cref="Dictionary{String, DifferenceRow}" /> representing the differences for the
/// table (or key).
/// </returns>
/// <exception cref="System.ArgumentNullException">
/// target
/// or
/// differenceTypes
/// </exception>
public static Dictionary <string, IEnumerable <DifferenceRow> > GetDifferences(this IVersion source, IVersion target, IQueryFilter filter, Func <string, ITable, bool> predicate, params esriDifferenceType[] differenceTypes)
{
if (source == null)
{
return(null);
}
if (target == null)
{
throw new ArgumentNullException("target");
}
if (differenceTypes == null)
{
throw new ArgumentNullException("differenceTypes");
}
var list = new Dictionary <string, IEnumerable <DifferenceRow> >();
IVersionDataChangesInit vdci = new VersionDataChangesClass();
IWorkspaceName wsNameSource = (IWorkspaceName)((IDataset)source).FullName;
IWorkspaceName wsNameTarget = (IWorkspaceName)((IDataset)target).FullName;
vdci.Init(wsNameSource, wsNameTarget);
IDataChanges dataChanges = (IDataChanges)vdci;
IEnumModifiedClassInfo enumMci = dataChanges.GetModifiedClassesInfo();
enumMci.Reset();
IModifiedClassInfo mci;
while ((mci = enumMci.Next()) != null)
{
// The table references are not disposed due to the enumerable return which would result in an RCW exception.
string tableName = mci.ChildClassName;
ITable sourceTable = ((IFeatureWorkspace)source).OpenTable(tableName);
if (predicate(tableName, sourceTable))
{
IVersionedTable versionedTable = sourceTable as IVersionedTable;
ITable table = ((IFeatureWorkspace)target).OpenTable(tableName);
if (versionedTable != null && table != null)
{
var rows = versionedTable.GetDifferences(table, filter, differenceTypes);
list.Add(tableName, rows);
}
}
}
return(list);
}
/// <summary>
/// Exports or imports the version edits as XML files.
/// </summary>
/// <param name="args">The arguments.</param>
internal void Run(ProgramArguments args)
{
using (EsriRuntimeAuthorization lic = new EsriRuntimeAuthorization(ProductCode.EngineOrDesktop))
{
if (lic.Initialize(esriLicenseProductCode.esriLicenseProductCodeStandard))
{
var workspace = WorkspaceFactories.Open(Path.GetFullPath(args.ConnectionFile));
var versionedWorkspace = (IVersionedWorkspace)workspace;
switch (args.Task)
{
case ProgramTask.Import:
var version = versionedWorkspace.DefaultVersion.CreateVersion(args.VersionName);
var workspaceName = (IWorkspaceName)((IDataset)version).FullName;
string changesFileName = Path.GetFullPath(args.Path);
IDeltaDataChangesInit2 ddci = new DeltaDataChangesClass();
ddci.Init2(changesFileName, esriExportDataChangesOption.esriExportToXML, false);
IImportDataChanges idc = new DataChangesImporterClass();
idc.ImportDataChanges(workspaceName, (IDeltaDataChanges)ddci, true, true);
break;
case ProgramTask.Export:
var source = versionedWorkspace.FindVersion(args.VersionName);
var target = source.GetParent();
IWorkspaceName wsNameSource = (IWorkspaceName)((IDataset)source).FullName;
IWorkspaceName wsNameTarget = (IWorkspaceName)((IDataset)target).FullName;
var exportFileName = Path.Combine(Path.GetFullPath(args.Path), args.VersionName + ".xml");
IVersionDataChangesInit vdci = new VersionDataChangesClass();
vdci.Init(wsNameSource, wsNameTarget);
IExportDataChanges2 edc = new DataChangesExporterClass();
edc.ExportDataChanges(exportFileName, esriExportDataChangesOption.esriExportToXML, (IDataChanges)vdci, true);
break;
}
}
}
}
/// <summary>
/// Gets the differences between the <paramref name="source" /> and <paramref name="target" /> versions that need to be
/// checked-in or exported.
/// </summary>
/// <param name="source">The source (or child) version.</param>
/// <param name="target">The target (or parent) version.</param>
/// <param name="predicate">
/// The predicate that defines a set of criteria and determines whether the specified differences
/// will be loaded.
/// </param>
/// <param name="dataChangeTypes">The data change types.</param>
/// <returns>
/// Returns a <see cref="Dictionary{String, DeltaRow}" /> representing the differences for the table (or
/// key).
/// </returns>
/// <exception cref="System.ArgumentNullException">
/// target
/// or
/// predicate
/// or
/// dataChangeTypes
/// </exception>
public static Dictionary <string, DeltaRowCollection> GetDataChanges(this IVersion source, IVersion target, Func <IModifiedClassInfo, bool> predicate, params esriDataChangeType[] dataChangeTypes)
{
if (source == null)
{
return(null);
}
if (target == null)
{
throw new ArgumentNullException("target");
}
if (predicate == null)
{
throw new ArgumentNullException("predicate");
}
if (dataChangeTypes == null)
{
throw new ArgumentNullException("dataChangeTypes");
}
var list = new Dictionary <string, DeltaRowCollection>(StringComparer.Create(CultureInfo.InvariantCulture, true));
IVersionDataChangesInit vdci = new VersionDataChangesClass();
IWorkspaceName wsNameSource = (IWorkspaceName)((IDataset)source).FullName;
IWorkspaceName wsNameTarget = (IWorkspaceName)((IDataset)target).FullName;
vdci.Init(wsNameSource, wsNameTarget);
IDataChanges dataChanges = (IDataChanges)vdci;
IDataChangesInfo dci = (IDataChangesInfo)vdci;
var tasks = new List <Action>();
IEnumModifiedClassInfo enumMci = dataChanges.GetModifiedClassesInfo();
foreach (var mci in enumMci.AsEnumerable())
{
// Validate that the table needs to be loaded.
if (predicate(mci))
{
string tableName = mci.ChildClassName;
tasks.Add(() =>
{
var rows = new DeltaRowCollection(mci, source, target);
var actions = new List <Action>();
// Determines if the table represents a feature class.
bool isFeatureClass = mci.DatasetType == esriDatasetType.esriDTFeatureClass;
// Iterate through all of the data change types.
foreach (var dataChangeType in dataChangeTypes)
{
actions.Add(() =>
{
// IRow objects returned from a difference cursor are meant to be a read only. Thus, only the OIDs are being loaded and
// the rows are hydrated from the struct.
IFIDSet set = dci.ChangedIDs[tableName, dataChangeType];
set.Reset();
int oid;
set.Next(out oid);
while (oid != -1)
{
var row = new DeltaRow(dataChangeType, oid, tableName, isFeatureClass);
rows.Add(row);
set.Next(out oid);
}
});
}
if (actions.Any())
{
Task.WaitAll(actions);
}
list.Add(tableName, rows);
});
}
}
if (tasks.Any())
{
Task.WaitAll(tasks);
}
return(list);
}
