/// <summary>
/// Creates a new transaction/savepoint wrapper class
/// </summary>
/// <param name="connection">Database connection, null if it's a dummy wrapper (nested transaction without creating a savepoint)</param>
/// <param name="savepointName">Savepoint name, null if it's a transaction instead of a savepoint</param>
internal DBOracleTransaction(DBOracleConnectionInstance connection, string savepointName)
{
if ((connection is null) && (!(savepointName is null)))
{
throw new ArgumentNullException(nameof(connection));
}
Connection = connection;
SavepointName = savepointName;
}
/// <summary>
/// Creates a disposable container with a database connection, creating a new connection if necessary
/// </summary>
/// <param name="connection">Database connection (null for a new connection)</param>
/// <param name="connectionStringName">Connection string name (must not be null if connection is null)</param>
public static DBOracleConnection Create(DBOracleConnection connection, string connectionStringName)
{
var newConnection = new DBOracleConnection();
if (connection is null)
{
newConnection.DisposeConnection = true;
newConnection.Connection = DBOracleConnectionInstance.Open(connectionStringName);
}
else
{
newConnection.DisposeConnection = false;
newConnection.Connection = connection.Connection;
}
return(newConnection);
}
/// <summary>
/// Creates a disposable container with a database connection, creating a new connection if necessary
/// </summary>
/// <param name="connection">Database connection (null for a new connection)</param>
/// <param name="connectionStringName">Connection string name (must not be null if connection is null)</param>
protected static T Create <T>(DBOracleConnection connection, string connectionStringName) where T : DBOracleConnection
{
var newConnection = (T)Activator.CreateInstance(type: typeof(T), nonPublic: true);
if (connection is null)
{
newConnection.DisposeConnection = true;
newConnection.Connection = DBOracleConnectionInstance.Open(connectionStringName);
}
else
{
newConnection.DisposeConnection = false;
newConnection.Connection = connection.Connection;
}
return(newConnection);
}