public static void GetSupporableDatabaseSchemaVersionRange(ITopologyConfigurationSession taskSession, Task.TaskVerboseLoggingDelegate writeLog, Task.TaskWarningLoggingDelegate writeWarning, Task.TaskErrorLoggingDelegate writeError, Database database, out int minVersion, out int maxVersion, out int currentRequestedVersion)
{
currentRequestedVersion = 0;
int num = int.MaxValue;
int num2 = 0;
DatabaseAvailabilityGroup databaseAvailabilityGroup;
using (IClusterDB clusterDB = DatabaseTasksHelper.OpenClusterDatabase(taskSession, writeLog, writeWarning, writeError, database, false, out databaseAvailabilityGroup))
{
if (clusterDB != null && clusterDB.IsInitialized)
{
ClusterDBHelpers.ReadRequestedDatabaseSchemaVersion(clusterDB, database.Guid, 0, out currentRequestedVersion);
foreach (ADObjectId adobjectId in databaseAvailabilityGroup.Servers)
{
int num3;
int num4;
ClusterDBHelpers.ReadServerDatabaseSchemaVersionRange(clusterDB, adobjectId.ObjectGuid, 121, 121, out num3, out num4);
writeLog(Strings.ServerSchemaVersionRange(adobjectId.ObjectGuid.ToString(), num3, num4));
num2 = Math.Max(num3, num2);
num = Math.Min(num4, num);
}
}
}
if (num2 > num)
{
writeError(new IncompatibleDatabaseSchemaVersionsInDAGException(), ErrorCategory.MetadataError, database);
}
minVersion = num2;
maxVersion = num;
}
public static void RemoveDatabaseFromClusterDB(ITopologyConfigurationSession taskSession, Task.TaskVerboseLoggingDelegate writeLog, Task.TaskWarningLoggingDelegate writeWarning, Task.TaskErrorLoggingDelegate writeError, Database database)
{
try
{
DatabaseAvailabilityGroup databaseAvailabilityGroup;
using (IClusterDB clusterDB = DatabaseTasksHelper.OpenClusterDatabase(taskSession, writeLog, writeWarning, writeError, database, true, out databaseAvailabilityGroup))
{
if (clusterDB != null && clusterDB.IsInitialized)
{
writeLog(Strings.DeleteClusterDBKey(database.Name));
ClusterDBHelpers.RemoveDatabaseRequestedSchemaVersion(clusterDB, database.Guid);
}
}
}
catch (ClusterException)
{
writeWarning(Strings.FailedToRemoveDatabaseSection(database.Name));
}
}
public static void SetRequestedDatabaseSchemaVersion(ITopologyConfigurationSession taskSession, Task.TaskVerboseLoggingDelegate writeLog, Task.TaskWarningLoggingDelegate writeWarning, Task.TaskErrorLoggingDelegate writeError, Database database, int version)
{
try
{
DatabaseAvailabilityGroup databaseAvailabilityGroup;
using (IClusterDB clusterDB = DatabaseTasksHelper.OpenClusterDatabase(taskSession, writeLog, writeWarning, writeError, database, false, out databaseAvailabilityGroup))
{
if (clusterDB != null && clusterDB.IsInitialized)
{
writeLog(Strings.SetDatabaseRequestedSchemaVersion(database.Name, version));
ClusterDBHelpers.WriteRequestedDatabaseSchemaVersion(clusterDB, database.Guid, version);
}
}
}
catch (ClusterException)
{
if (writeError != null)
{
writeError(new FailedToSetRequestedDatabaseSchemaVersionException(database.Name), ErrorCategory.WriteError, database);
}
}
}