/// <summary>
/// Adds a log writer and binds to a specific log message type
/// </summary>
/// <param name="logMessageType">Type of log message</param>
/// <param name="logWriter">Log writer to add</param>
public void AddLogWriter(NiawaLogType logMessageType, ILogWriter logWriter)
{
//Ensure that more than one instance of a ILogWriter implementation (of a specific type) is not added.
if(_logWriters.ContainsKey(logWriter.GetType().ToString()))
if (_logWriters[logWriter.GetType().ToString()].LogWriterID != logWriter.LogWriterID)
throw new Exception("Cannot add two instances of the same ILogWriter type [" + logWriter.GetType().ToString() + "]. Add a different type of ILogWriter, or add an existing instance of this ILogWriter type.");
//Check for duplicate entry attempts into the LogMessageTypeLogWriters collection
if (_logMessageTypeLogWriters.ContainsKey(logMessageType))
if (_logMessageTypeLogWriters[logMessageType].Contains(logWriter))
throw new Exception("Cannot add the same ILogWriter [" + logWriter.GetType().ToString() + "] for LogMessageType [" + Enum.GetName(logMessageType.GetType(), logMessageType) + "] more than once.");
//add log writer to list
if (!(_logWriters.ContainsKey(logWriter.GetType().ToString())))
_logWriters.Add(logWriter.GetType().ToString(), logWriter);
//add log writer to map
List<ILogWriter> mapLogWriters = null;
//check if log message type already in map
if (_logMessageTypeLogWriters.ContainsKey(logMessageType))
mapLogWriters = _logMessageTypeLogWriters[logMessageType];
else
{
//create new entry of log writers for log message type and add to map
mapLogWriters = new List<ILogWriter>();
_logMessageTypeLogWriters.Add(logMessageType, mapLogWriters);
}
//add log writer to list of log writers mapped to log message type
mapLogWriters.Add(logWriter);
}
public NiawaLogMessage(DateTime logDate
, NiawaLogType logType
, string logMessage
, Exception logException)
{
LogDate = logDate;
LogType = logType;
LogMessage = logMessage;
LogException = logException;
}
public void Log(NiawaLogType logType, string logMessage)
{
Log(logType, logMessage, null);
}
/// <summary>
/// Add log message to be written asynchronously
/// </summary>
/// <param name="logType">Log message type</param>
/// <param name="logMessage">Log message text</param>
/// <param name="logException">Log exception, if any</param>
public void Log(NiawaLogType logType, string logMessage, Exception logException)
{
//enqueue only if at least one log writer is mapped for this log message type
if (_logMessageTypeLogWriters.ContainsKey(logType))
_messages.Enqueue(new NiawaLogMessage(DateTime.Now, logType, logMessage, logException));
}
