/// <summary>
/// Use a ConnectionInfo item to create a connected binding context
/// </summary>
/// <param name="connInfo">Connection info used to create binding context</param>
/// <param name="overwrite">Overwrite existing context</param>
public virtual string AddConnectionContext(ConnectionInfo connInfo, string featureName = null, bool overwrite = false)
{
if (connInfo == null)
{
return(string.Empty);
}
// lookup the current binding context
string connectionKey = GetConnectionContextKey(connInfo);
if (BindingContextExists(connectionKey))
{
if (overwrite)
{
RemoveBindingContext(connectionKey);
}
else
{
// no need to populate the context again since the context already exists
return(connectionKey);
}
}
IBindingContext bindingContext = this.GetOrCreateBindingContext(connectionKey);
if (bindingContext.BindingLock.WaitOne())
{
try
{
bindingContext.BindingLock.Reset();
SqlConnection sqlConn = connectionOpener.OpenSqlConnection(connInfo, featureName);
// populate the binding context to work with the SMO metadata provider
bindingContext.ServerConnection = new ServerConnection(sqlConn);
if (this.needsMetadata)
{
bindingContext.SmoMetadataProvider = SmoMetadataProvider.CreateConnectedProvider(bindingContext.ServerConnection);
bindingContext.MetadataDisplayInfoProvider = new MetadataDisplayInfoProvider();
bindingContext.MetadataDisplayInfoProvider.BuiltInCasing =
this.CurrentSettings.SqlTools.IntelliSense.LowerCaseSuggestions.Value
? CasingStyle.Lowercase : CasingStyle.Uppercase;
bindingContext.Binder = BinderProvider.CreateBinder(bindingContext.SmoMetadataProvider);
}
bindingContext.BindingTimeout = ConnectedBindingQueue.DefaultBindingTimeout;
bindingContext.IsConnected = true;
}
catch (Exception)
{
bindingContext.IsConnected = false;
}
finally
{
bindingContext.BindingLock.Set();
}
}
return(connectionKey);
}
/// <summary>
/// Use a ConnectionInfo item to create a connected binding context
/// </summary>
/// <param name="connInfo"></param>
public virtual string AddConnectionContext(ConnectionInfo connInfo)
{
if (connInfo == null)
{
return(string.Empty);
}
// lookup the current binding context
string connectionKey = GetConnectionContextKey(connInfo);
IBindingContext bindingContext = this.GetOrCreateBindingContext(connectionKey);
if (bindingContext.BindingLock.WaitOne())
{
try
{
bindingContext.BindingLock.Reset();
// increase the connection timeout to at least 30 seconds and and build connection string
// enable PersistSecurityInfo to handle issues in SMO where the connection context is lost in reconnections
int? originalTimeout = connInfo.ConnectionDetails.ConnectTimeout;
bool?originalPersistSecurityInfo = connInfo.ConnectionDetails.PersistSecurityInfo;
connInfo.ConnectionDetails.ConnectTimeout = Math.Max(DefaultMinimumConnectionTimeout, originalTimeout ?? 0);
connInfo.ConnectionDetails.PersistSecurityInfo = true;
string connectionString = ConnectionService.BuildConnectionString(connInfo.ConnectionDetails);
connInfo.ConnectionDetails.ConnectTimeout = originalTimeout;
connInfo.ConnectionDetails.PersistSecurityInfo = originalPersistSecurityInfo;
// open a dedicated binding server connection
SqlConnection sqlConn = new SqlConnection(connectionString);
sqlConn.Open();
// populate the binding context to work with the SMO metadata provider
ServerConnection serverConn = new ServerConnection(sqlConn);
bindingContext.SmoMetadataProvider = SmoMetadataProvider.CreateConnectedProvider(serverConn);
bindingContext.MetadataDisplayInfoProvider = new MetadataDisplayInfoProvider();
bindingContext.MetadataDisplayInfoProvider.BuiltInCasing =
this.CurrentSettings.SqlTools.IntelliSense.LowerCaseSuggestions.Value
? CasingStyle.Lowercase : CasingStyle.Uppercase;
bindingContext.Binder = BinderProvider.CreateBinder(bindingContext.SmoMetadataProvider);
bindingContext.ServerConnection = serverConn;
bindingContext.BindingTimeout = ConnectedBindingQueue.DefaultBindingTimeout;
bindingContext.IsConnected = true;
}
catch (Exception)
{
bindingContext.IsConnected = false;
}
finally
{
bindingContext.BindingLock.Set();
}
}
return(connectionKey);
}