private static void UsingConnection(SampleConnection connection, Action <SampleConnection> act)
{
// remember the connection string so that we can reset it if credentials are wiped
string holdConnectionString = connection.ConnectionString;
bool openingConnection = connection.State == ConnectionState.Closed;
if (openingConnection)
{
connection.Open();
}
try
{
act(connection);
}
finally
{
if (openingConnection && connection.State == ConnectionState.Open)
{
// if we opened the connection, we should close it
connection.Close();
}
if (connection.ConnectionString != holdConnectionString)
{
connection.ConnectionString = holdConnectionString;
}
}
}
protected override string GetDbProviderManifestToken(DbConnection connection)
{
if (connection == null)
{
throw new ArgumentException("connection");
}
SampleConnection sampleConnection = connection as SampleConnection;
if (sampleConnection == null)
{
throw new ArgumentException("The connection is not of type 'SampleConnection'.");
}
if (string.IsNullOrEmpty(sampleConnection.ConnectionString))
{
throw new ArgumentException("Could not determine storage version; a valid storage connection or a version hint is required.");
}
bool closeConnection = false;
try
{
if (sampleConnection.State != ConnectionState.Open)
{
sampleConnection.Open();
closeConnection = true;
}
StoreVersion version = StoreVersionUtils.GetStoreVersion(sampleConnection);
if (version == StoreVersion.Sql9)
{
return(SampleProviderManifest.TokenSql9);
}
else
{
return(StoreVersionUtils.GetVersionHint(version));
}
}
finally
{
if (closeConnection)
{
sampleConnection.Close();
}
}
}
private static void UsingConnection(SampleConnection connection, Action<SampleConnection> act)
{
// remember the connection string so that we can reset it if credentials are wiped
string holdConnectionString = connection.ConnectionString;
bool openingConnection = connection.State == ConnectionState.Closed;
if (openingConnection)
{
connection.Open();
}
try
{
act(connection);
}
finally
{
if (openingConnection && connection.State == ConnectionState.Open)
{
// if we opened the connection, we should close it
connection.Close();
}
if (connection.ConnectionString != holdConnectionString)
{
connection.ConnectionString = holdConnectionString;
}
}
}
