public static void UpgradeFeatures(ref SPWebApplication webApp, Guid featureId)
{
SPFeatureQueryResultCollection features = null;
try
{
features = webApp.QueryFeatures(featureId, true);
}
catch {// not contained
}
if (features != null)
{
IEnumerator <SPFeature> featureEnumerator = features.GetEnumerator();
featureEnumerator.Reset();
while (featureEnumerator.MoveNext())
{
try
{
SPFeature feature = featureEnumerator.Current;
feature.Upgrade(false);
}
catch (Microsoft.SharePoint.SPFeatureIsOrphanedException oEx) { }
}
}
}
public static void UpgradeFeatures(ref SPSite site, Guid featureId)
{
SPFeatureQueryResultCollection features = null;
try
{
features = site.QueryFeatures(featureId, true);
}
catch {// not contained
}
if (features != null)
{
IEnumerator <SPFeature> featureEnumerator = features.GetEnumerator();
featureEnumerator.Reset();
while (featureEnumerator.MoveNext())
{
SPFeature feature = featureEnumerator.Current;
feature.Upgrade(false);
}
}
}
/// <summary>
/// activate a feature
/// </summary>
/// <param name="features">collection of features</param>
/// <param name="featureId">feature ID of feature to handle</param>
/// <param name="force">with or without force</param>
/// <returns>the activated feature</returns>
/// <remarks>attention, might throw exception!</remarks>
internal static SPFeature UpgradeFeatureInFeatureCollection(SPFeatureCollection features, Guid featureId, bool force)
{
SPFeature spFeature = null;
IEnumerable <Exception> upgradeErrors;
bool success = true;
string upgradeErrorsAsString = null;
spFeature = features[featureId];
var definitionVersion = spFeature.Definition.Version;
if (spFeature.Version < definitionVersion)
{
upgradeErrors = spFeature.Upgrade(force);
}
else
{
var errMsg = string.Format("Feature '{0}' does not require upgrade.", featureId);
throw new ApplicationException(errMsg);
}
if (upgradeErrors != null && upgradeErrors.Count() > 0)
{
success = false;
foreach (Exception x in upgradeErrors)
{
upgradeErrorsAsString += string.Format(
"Error: {0}\n",
x.Message
);
}
}
if (spFeature.Version != definitionVersion || !success)
{
var errMsg = string.Format("Feature upgrade for feature '{0}' failed. Feature version: '{1}', definition version: '{2}'.",
featureId,
spFeature.Version,
definitionVersion);
if (!force)
{
errMsg += " You might want to try again with 'force' enabled.";
}
if (!string.IsNullOrEmpty(upgradeErrorsAsString))
{
errMsg += upgradeErrorsAsString;
}
throw new ApplicationException(errMsg);
}
return(spFeature);
}