/// <summary>
/// Initializes a new instance of the PathEventItem class.
/// </summary>
/// <param name="info">The <see cref="SerializationInfo"/> to load data from..</param>
/// <param name="context">The source <see cref="StreamingContext"/> for this serialization.</param>
public PathEventItem(SerializationInfo info, StreamingContext context)
{
if (info == null)
{
throw new ArgumentNullException("info", "info cannot be null.");
}
this.publishEventArgs = (FileSystemEventArgs)info.GetValue("publishEventArgs", typeof(FileSystemEventArgs));
this.publishEventType = (TastyFileSystemEventType)Enum.ToObject(typeof(TastyFileSystemEventType), info.GetInt32("publishEventType"));
this.lastRaised = info.GetDateTime("lastRaised");
this.raisedCount = info.GetInt32("raisedCount");
}
/// <summary>
/// Enqueues and possibly throttles an event for raising.
/// </summary>
/// <param name="path">The path that raised the original event.</param>
/// <param name="eventType">The type of the original event that was raised.</param>
/// <param name="e">The arguments passed when the original event was raised.</param>
private void EnqueueEvent(string path, TastyFileSystemEventType eventType, FileSystemEventArgs e)
{
DateTime now = DateTime.Now;
string key = this.Mode == TastyFileSystemWatcherMode.Directory ? this.Path : path;
lock (this.pathEvents)
{
if (!this.pathEvents.ContainsKey(key))
{
this.pathEvents[key] = new PathEventItem();
}
PathEventItem item = this.pathEvents[key];
if (item.RaisedCount == 0 || now.Subtract(item.LastRaised).TotalMilliseconds > this.Threshold)
{
item.PublishEventArgs = e;
item.PublishEventType = eventType;
this.RaiseEvent(item);
}
item.LastRaised = now;
item.RaisedCount++;
}
}
