/// <summary> /// Reopens the connection to the database server asynchronously. /// </summary> /// <param name="callback">The callback method.</param> /// <param name="userState">The user state.</param> /// <returns>The asynchronous result.</returns> public abstract IAsyncResult Reopen(DbServerCallback callback, object userState = null);
/// <summary>
/// Reopens the connection to the database server asynchronously.
/// </summary>
/// <param name="callback">The callback method.</param>
/// <param name="userState">The user state.</param>
/// <returns>The asynchronous result.</returns>
public override IAsyncResult Reopen(DbServerCallback callback, object userState = null)
{
// Create a new asynchrounous state for this operation.
DbServerAsyncState asyncState = new DbServerAsyncState(this, userState);
// Begin open the connection asynchronously on the thread pool.
ThreadPool.QueueUserWorkItem((object state) =>
{
// Execute asynchronously on the thread pool.
try
{
// Reopen the connection.
this.Reopen();
}
catch (Exception exception)
{
// If an exception occurs, set the callback exception.
asyncState.Exception = new DbException("Reopening the connection to the database server \'{0}\' failed.".FormatWith(this.Name), exception);
}
// Complete the asynchronous operation.
asyncState.Complete();
// Call the callback method with the given state.
if (callback != null) callback(asyncState);
});
return asyncState;
}
/// <summary> /// Changes the current password of the database server asynchronously. /// </summary> /// <param name="newPassword">The new password.</param> /// <param name="callback">The callback method.</param> /// <param name="userState">The user state.</param> /// <returns>The asynchronous result.</returns> public abstract IAsyncResult ChangePassword(SecureString newPassword, DbServerCallback callback, object userState = null);
