/// <summary>
/// Activate the options that were previously set with calls to properties.
/// </summary>
virtual public void ActivateOptions()
{
// Close the current asynchronous processing.
Close();
// Check the asynchronous layout.
if (Layout == null)
{
throw new LogException(Resources.Strings.AsyncLayoutIsNull);
}
// Check the asynchronous strategy.
if (Strategy == null)
{
throw new LogException(Resources.Strings.AsyncStrategyIsNull);
}
// Check the asynchronous target appender.
if (Appender == null)
{
throw new LogException(Resources.Strings.AsyncAppenderIsNull);
}
_asyncLayout = Layout;
_asyncStrategy = Strategy;
_asyncAppender = Appender;
// Start new asynchronous processing.
_asyncStrategy.HandleItem += loggingMessage => Appender.DoAppend(loggingMessage);
_asyncStrategy.HandleOverflow += bufferLimit => ErrorHandler.Error(string.Format(Resources.Strings.AsyncQueueOverflow, bufferLimit));
_asyncStrategy.StartProcessing();
// Append header.
if (!string.IsNullOrEmpty(_asyncLayout.Header))
{
_asyncStrategy.AddItem(_asyncLayout.Header + Environment.NewLine);
}
}
/// <summary>
/// Closes the appender and releases resources.
/// </summary>
virtual public void Close()
{
// Stop the previous asynchronous processing.
if (_asyncStrategy != null)
{
// Append footer.
if (!string.IsNullOrEmpty(_asyncLayout.Footer))
{
_asyncStrategy.AddItem(_asyncLayout.Footer + Environment.NewLine);
}
_asyncStrategy.StopProcessing();
_asyncStrategy.Dispose();
_asyncStrategy = null;
}
// Close the asynchronous target appender.
if (_asyncAppender != null)
{
_asyncAppender.Close();
_asyncAppender = null;
}
}
