// must be called outside of lock
private void RefreshAndValidateSections(IDictionary <string, string> localSectionsToRefresh, IDictionary <string, string> externalSectionsToRefresh, out ICollection <string> sectionsToNotify, out IDictionary <string, string> sectionsWithChangedConfigSource)
{
sectionsToNotify = new List <string>();
sectionsWithChangedConfigSource = new Dictionary <string, string>();
// refresh local sections and determine what to do.
foreach (KeyValuePair <string, string> sectionMapping in localSectionsToRefresh)
{
SqlConfigurationManager.RefreshSection(sectionMapping.Key, this.data);
ConfigurationSection section = SqlConfigurationManager.GetSection(sectionMapping.Key, this.data) as ConfigurationSection;
string refreshedConfigSource = section != null ? section.SectionInformation.ConfigSource : NullConfigSource;
if (!sectionMapping.Value.Equals(refreshedConfigSource))
{
sectionsWithChangedConfigSource.Add(sectionMapping.Key, refreshedConfigSource);
}
// notify anyway, since it might have been updated.
sectionsToNotify.Add(sectionMapping.Key);
}
// refresh external sections and determine what to do.
foreach (KeyValuePair <string, string> sectionMapping in externalSectionsToRefresh)
{
SqlConfigurationManager.RefreshSection(sectionMapping.Key, this.data);
ConfigurationSection section = SqlConfigurationManager.GetSection(sectionMapping.Key, this.data) as ConfigurationSection;
string refreshedConfigSource = (section != null) ? section.SectionInformation.ConfigSource : NullConfigSource;
if (!sectionMapping.Value.Equals(refreshedConfigSource))
{
sectionsWithChangedConfigSource.Add(sectionMapping.Key, refreshedConfigSource);
// notify only if che config source changed
sectionsToNotify.Add(sectionMapping.Key);
}
}
}
private static void PrepareConfigSystem(SqlConfigurationData data)
{
if (SqlConfigurationManager.initState < SqlConfigurationManager.InitState.Usable)
{
SqlConfigurationManager.EnsureConfigurationSystem(data);
}
}
/// <summary>
///
/// </summary>
/// <param name="sectionName"></param>
/// <param name="section"></param>
/// <param name="data"></param>
public static void SaveSection(string sectionName, SerializableConfigurationSection section, SqlConfigurationData data)
{
if (!string.IsNullOrEmpty(sectionName))
{
SqlConfigurationManager.PrepareConfigSystem(data);
SqlConfigurationManager.configSystem.SaveSection(sectionName, section);
}
}
/// <summary>
///
/// </summary>
/// <param name="sectionName"></param>
/// <param name="data"></param>
public static void RemoveSection(string sectionName, SqlConfigurationData data)
{
if (!string.IsNullOrEmpty(sectionName))
{
SqlConfigurationManager.PrepareConfigSystem(data);
SqlConfigurationManager.configSystem.RemoveSection(sectionName);
}
}
/// <summary>
/// Retrieves a specified configuration section for the current application's configuration
/// </summary>
/// <param name="sectionName">The configuration section name.</param>
/// <param name="data">The configuration data for this connection.</param>
/// <returns>The specified System.Configuration.ConfigurationSection object, or null if the section does not exist.</returns>
public static object GetSection(string sectionName, SqlConfigurationData data)
{
if (string.IsNullOrEmpty(sectionName))
{
return(null);
}
SqlConfigurationManager.PrepareConfigSystem(data);
return(SqlConfigurationManager.configSystem.GetSection(sectionName));
}
/// <summary>
/// Retrieves a section from SqlConfiguration, and starts watching for
/// its changes if not watching already.
/// </summary>
/// <param name="sectionName">The section name.</param>
/// <returns>The section, or null if it doesn't exist.</returns>
public ConfigurationSection GetSection(string sectionName)
{
object section = SqlConfigurationManager.GetSection(sectionName, data);
ConfigurationSection configurationSection = section as ConfigurationSection;
if (configurationSection != null)
{
lock (lockMe)
{
if (!IsWatchingSection(sectionName)) // should only be true sporadically
{
SetWatcherForSection(sectionName, this.data.ConnectionString);
}
}
}
return(configurationSection);
}
/// <summary>
/// <exclude/>
/// </summary>
/// <param name="configSource">The name of the updated configuration source.</param>
public void ExternalConfigSourceChanged(string configSource)
{
string[] sectionsToNotify;
lock (lockMe)
{
ConfigurationSourceWatcher watcher = null;
this.watchedConfigSourceMapping.TryGetValue(configSource, out watcher);
sectionsToNotify = new string[watcher.WatchedSections.Count];
watcher.WatchedSections.CopyTo(sectionsToNotify, 0);
}
foreach (string sectionName in sectionsToNotify)
{
SqlConfigurationManager.RefreshSection(sectionName, this.data);
}
NotifyUpdatedSections(sectionsToNotify);
}
/// <summary>
///
/// </summary>
/// <param name="sectionName"></param>
public void RemoveSection(string sectionName)
{
if ((sectionName == null) || (sectionName.Trim().Equals(String.Empty)))
{
throw new ArgumentNullException(sectionName);
}
SqlConfigurationManager.RemoveSection(sectionName, data);
lock (lockMe)
{
if (IsWatchingSection(sectionName))
{
ConfigSourceChanged(sectionName);
ConfigurationSourceWatcher watcher = this.watchedSectionMapping[sectionName];
UnlinkWatcherForSection(watcher, sectionName);
}
}
}
/// <summary>
/// Saves a section from SqlConfiguration, and starts watching for
/// its changes if not watching already.
/// </summary>
/// <param name="sectionName">The section name.</param>
/// <param name="section">The section.</param>
/// <returns></returns>
public void SaveSection(string sectionName, SerializableConfigurationSection section)
{
if (section == null)
{
throw new ArgumentNullException("section");
}
if ((sectionName == null) || (sectionName.Trim().Equals(String.Empty)))
{
throw new ArgumentNullException(sectionName);
}
SqlConfigurationManager.SaveSection(sectionName, section, data);
lock (lockMe)
{
if (!IsWatchingSection(sectionName))
{
SetWatcherForSection(sectionName, section.SectionInformation.ConfigSource);
}
}
}
