public IFIDSet FindHistoricalDifferences(IWorkspace workspace, string historicalMarkerName, string tableName,
esriDifferenceType differenceType)
{
IHistoricalWorkspace historicalWorkspace = (IHistoricalWorkspace)workspace;
IHistoricalVersion historicalVersion =
historicalWorkspace.FindHistoricalVersionByName(historicalWorkspace.DefaultMarkerName);
IHistoricalVersion historicalVersion1 = historicalWorkspace.FindHistoricalVersionByName(historicalMarkerName);
IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)historicalVersion;
IFeatureWorkspace featureWorkspace1 = (IFeatureWorkspace)historicalVersion1;
ITable table = featureWorkspace.OpenTable(tableName);
ITable table1 = featureWorkspace1.OpenTable(tableName);
IDifferenceCursor differenceCursor = ((IVersionedTable)table).Differences(table1, differenceType, null);
IFIDSet fIDSetClass = new FIDSet();
IRow row = null;
int num = -1;
differenceCursor.Next(out num, out row);
while (num != -1)
{
fIDSetClass.Add(num);
differenceCursor.Next(out num, out row);
}
fIDSetClass.Reset();
return(fIDSetClass);
}
private void method_1(IVersionedTable iversionedTable_0, IVersionedTable iversionedTable_1, string string_0,
string string_1, esriDifferenceType esriDifferenceType_0, string string_2, bool bool_2, IList ilist_0)
{
try
{
int num;
IRow row;
IQueryFilter queryFilter = new QueryFilterClass();
IObjectClass class2 = iversionedTable_0 as IObjectClass;
queryFilter.SubFields = class2.OIDFieldName;
IDifferenceCursor cursor = iversionedTable_0.Differences(iversionedTable_1 as ITable,
esriDifferenceType_0, queryFilter);
cursor.Next(out num, out row);
while (num != -1)
{
if (bool_2)
{
this.method_2(num, esriDifferenceType_0, string_1, string_0, string_2, ilist_0);
}
else
{
this.method_2(num, esriDifferenceType_0, string_0, string_1, string_2, ilist_0);
}
cursor.Next(out num, out row);
}
}
catch
{
}
}
private void method_1(IVersionedTable iversionedTable_0, IVersionedTable iversionedTable_1, string string_0,
string string_1, esriDifferenceType esriDifferenceType_0, string string_2, bool bool_2, IList ilist_0)
{
int num;
IRow row;
try
{
IQueryFilter queryFilterClass = new QueryFilter()
{
SubFields = (iversionedTable_0 as IObjectClass).OIDFieldName
};
IDifferenceCursor differenceCursor = iversionedTable_0.Differences(iversionedTable_1 as ITable,
esriDifferenceType_0, queryFilterClass);
differenceCursor.Next(out num, out row);
while (num != -1)
{
if (!bool_2)
{
this.method_2(num, esriDifferenceType_0, string_0, string_1, string_2, ilist_0);
}
else
{
this.method_2(num, esriDifferenceType_0, string_1, string_0, string_2, ilist_0);
}
differenceCursor.Next(out num, out row);
}
}
catch
{
}
}
/// <summary>
/// Gets the changes between the <paramref name="source" /> (or child) and <paramref name="table" /> (or parent)
/// version of the table.
/// </summary>
/// <param name="source">The source (or child) version.</param>
/// <param name="table">The table (or parent) version.</param>
/// <param name="filter">The predicate used to filter the differences.</param>
/// <param name="differenceTypes">The types of differences that are detected.</param>
/// <returns>
/// Returns a <see cref="IEnumerable{DifferenceRow}" /> representing the differences for the table.
/// </returns>
/// <exception cref="System.ArgumentNullException">
/// table
/// or
/// differenceTypes
/// </exception>
public static IEnumerable <DifferenceRow> GetDifferences(this IVersionedTable source, ITable table, IQueryFilter filter, params esriDifferenceType[] differenceTypes)
{
if (table == null)
{
throw new ArgumentNullException("table");
}
if (differenceTypes == null)
{
throw new ArgumentNullException("differenceTypes");
}
foreach (var differenceType in differenceTypes)
{
using (ComReleaser cr = new ComReleaser())
{
IDifferenceCursor differenceCursor = source.Differences(table, differenceType, filter);
cr.ManageLifetime(differenceCursor);
// 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 table again.
List <int> oids = new List <int>();
IRow differenceRow;
int oid;
differenceCursor.Next(out oid, out differenceRow);
while (oid != -1)
{
oids.Add(oid);
differenceCursor.Next(out oid, out differenceRow);
}
if (oids.Count > 0)
{
// When the feature was deleted in the source we need to use the parent version.
ITable differenceTable = (differenceType == esriDifferenceType.esriDifferenceTypeDeleteNoChange || differenceType == esriDifferenceType.esriDifferenceTypeDeleteUpdate)
? table
: (ITable)source;
// Fetch the rows for read-write access.
ICursor cursor = differenceTable.GetRows(oids.ToArray(), false);
cr.ManageLifetime(cursor);
int i = 0;
while ((differenceRow = cursor.NextRow()) != null)
{
yield return(new DifferenceRow(differenceType, oids[i++], differenceRow));
}
}
}
}
}
public static IFIDSet FindVersionDifferences(IWorkspace workspace, String sourceVersionName, String targetVersionName, String tableName, esriDifferenceType differenceType)
{
// Get references to the child and parent versions.
IVersionedWorkspace versionedWorkspace = (IVersionedWorkspace)workspace;
IVersion sourceVersion = versionedWorkspace.FindVersion(sourceVersionName);
IVersion targetVersion = versionedWorkspace.FindVersion(targetVersionName);
// Cast to the IVersion2 interface to find the common ancestor.
IVersion2 sourceVersion2 = (IVersion2)sourceVersion;
IVersion commonAncestorVersion = sourceVersion2.GetCommonAncestor(targetVersion);
// Cast the child version to IFeatureWorkspace and open the table.
IFeatureWorkspace targetFWS = (IFeatureWorkspace)sourceVersion;
ITable targetTable = targetFWS.OpenTable(tableName);
// Cast the common ancestor version to IFeatureWorkspace and open the table.
IFeatureWorkspace commonAncestorFWS = (IFeatureWorkspace)commonAncestorVersion;
ITable commonAncestorTable = commonAncestorFWS.OpenTable(tableName);
// Cast to the IVersionedTable interface to create a difference cursor.
IVersionedTable versionedTable = (IVersionedTable)targetTable;
IDifferenceCursor differenceCursor = versionedTable.Differences(commonAncestorTable, differenceType, null);
// Create output variables for the IDifferenceCursor.Next method and a FID set.
IFIDSet fidSet = new FIDSetClass();
IRow differenceRow = null;
int objectID = -1;
// Step through the cursor, showing the ID of each modified row.
differenceCursor.Next(out objectID, out differenceRow);
while (objectID != -1)
{
fidSet.Add(objectID);
differenceCursor.Next(out objectID, out differenceRow);
}
fidSet.Reset();
return(fidSet);
}
public static IFIDSet FindVersionDifferences(IWorkspace workspace, string childVersionName,
string parentVersionName, string tableName, esriDifferenceType differenceType)
{
IVersionedWorkspace versionedWorkspace = (IVersionedWorkspace)workspace;
IVersion version = versionedWorkspace.FindVersion(childVersionName);
IVersion version1 = versionedWorkspace.FindVersion(parentVersionName);
IVersion commonAncestor = ((IVersion2)version).GetCommonAncestor(version1);
ITable table = ((IFeatureWorkspace)version).OpenTable(tableName);
ITable table1 = ((IFeatureWorkspace)commonAncestor).OpenTable(tableName);
IDifferenceCursor differenceCursor = ((IVersionedTable)table).Differences(table1, differenceType, null);
IFIDSet fIDSetClass = new FIDSet();
IRow row = null;
int num = -1;
differenceCursor.Next(out num, out row);
while (num != -1)
{
fIDSetClass.Add(num);
differenceCursor.Next(out num, out row);
}
fIDSetClass.Reset();
return(fIDSetClass);
}
private byte[] ProcessEditAreas(IServerObject serverObject, string versionName)
{
try
{
// Open utility network
IDataset unDataset = _soiUtil.GetUNDataset(serverObject, versionName);
IWorkspace workspace = (IWorkspace)unDataset.Workspace;
// Get all the dirty areas in the given validation area
IBaseNetwork baseNetwork = (IBaseNetwork)unDataset;
ITable dirtyAreaTable = baseNetwork.DirtyAreaTable;
string shapeFieldName = ((IFeatureClass)dirtyAreaTable).ShapeFieldName;
int areaFieldIndex = dirtyAreaTable.FindField(shapeFieldName);
int creatorFieldIndex = dirtyAreaTable.FindField("CREATOR");
// Get UN schema version
IDatasetComponent dsComponent = (IDatasetComponent)unDataset;
IDEBaseNetwork deBaseNetwork = (IDEBaseNetwork)dsComponent.DataElement;
int unVersion = deBaseNetwork.SchemaGeneration;
// Get inserts made to dirty areas table in the current version
// For UN > V4, Errors are discarded (ERROCODE>0) to only retain true dirty areas
// Note that changes made in the last edit session must be saved for this to work
// as it is not possible to get the modifications until they have been saved.
IVersionedTable versionedTable = (IVersionedTable)dirtyAreaTable;
QueryFilter qryFilter = null;
if (unVersion >= 4)
{
qryFilter = new QueryFilter();
qryFilter.WhereClause = _errorCodeFName + "=0";
}
IDifferenceCursor diffCursor = versionedTable.Differences(dirtyAreaTable, esriDifferenceType.esriDifferenceTypeInsert, qryFilter);
// Loop through added rows to construct the modified zone extent
int editCount = 0;
int OID;
IRow diffRow;
IEnvelope editZone = null;
string creator = "";
diffCursor.Next(out OID, out diffRow);
// Return an error if no dirty areas found as it may be because the last edits were not saved
if (diffRow == null)
{
JSONObject responseJSON = new JSONObject();
responseJSON.AddBoolean("success", false);
JSONObject errorJSON = new JSONObject();
errorJSON.AddLong("extendedCode", (int)fdoError.FDO_E_DIRTY_AREA_BUILD_EXTENT_DO_NOT_INTERSECT);
errorJSON.AddString("message", "A dirty area is not present within the validate network topology input extent. A validate network topology process did not occur.");
JSONArray detailsJSON = new JSONArray();
detailsJSON.AddString("Make sure to save edits before validating.");
errorJSON.AddJSONArray("details", detailsJSON);
responseJSON.AddJSONObject("error", errorJSON);
return(Encoding.UTF8.GetBytes(responseJSON.ToJSONString(null)));
}
while (diffRow != null)
{
editCount += 1;
creator = diffRow.Value[creatorFieldIndex].ToString();
IGeometry rowShape = (IGeometry)diffRow.Value[areaFieldIndex];
IEnvelope rowArea = rowShape.Envelope;
if (editZone != null)
{
editZone.Union(rowArea);
}
else
{
editZone = rowArea.Envelope;
}
diffCursor.Next(out OID, out diffRow);
}
diffCursor = null;
versionedTable = null;
workspace = null;
// Add new or modify existing edit zone
if (editZone != null)
{
AddEditArea(serverObject, creator, versionName, editCount, editZone);
}
}
catch (Exception e)
{
_serverLog.LogMessage(ServerLogger.msgType.infoStandard, _soiName + ".AddEditArea()",
200, "Error while adding edit are: " + e.ToString());
}
return(null);
}
