/// <summary>
/// Determines whether the specified media object undergoing the specified <paramref name="conversionType" />
/// is currently waiting to be processed in the media queue.
/// </summary>
/// <param name="mediaObjectId">The media object ID.</param>
/// <param name="conversionType">Type of the conversion. If the parameter omitted, then a matching
/// media object having any conversion type will cause the method to return <c>true</c>.</param>
/// <returns>Returns <c>true</c> if the media object is currently being processed by the media queue;
/// otherwise, <c>false</c>.</returns>
private bool IsWaitingInQueue(int mediaObjectId, MediaQueueItemConversionType conversionType = MediaQueueItemConversionType.Unknown)
{
return(MediaQueueItemDictionary.Any(mq =>
mq.Value.MediaObjectId == mediaObjectId &&
mq.Value.Status == MediaQueueItemStatus.Waiting &&
(mq.Value.ConversionType == conversionType || conversionType == MediaQueueItemConversionType.Unknown)
));
}
/// <summary>
/// Determines whether the specified media object undergoing the specified <paramref name="conversionType" />
/// is currently being processed by the media queue or is waiting in the queue.
/// </summary>
/// <param name="mediaObjectId">The ID of the media object.</param>
/// <param name="conversionType">Type of the conversion. If the parameter is omitted, then a matching
/// media object having any conversion type will cause the method to return <c>true</c>.</param>
/// <returns>Returns <c>true</c> if the media object is currently being processed by the media queue
/// or is waiting in the queue; otherwise, <c>false</c>.</returns>
public bool IsWaitingInQueueOrProcessing(int mediaObjectId, MediaQueueItemConversionType conversionType = MediaQueueItemConversionType.Unknown)
{
MediaQueueItem item = GetCurrentMediaQueueItem();
if ((item != null) && item.MediaObjectId == mediaObjectId && (item.ConversionType == conversionType || conversionType == MediaQueueItemConversionType.Unknown))
{
return(true);
}
else
{
return(IsWaitingInQueue(mediaObjectId, conversionType));
}
}
/// <summary>
/// Adds the specified <paramref name="mediaObject" /> to the queue. It will be processed in a first-in, first-out
/// order. If the media object is already waiting in the queue, no action is taken.
/// </summary>
/// <param name="mediaObject">The media object to be processed.</param>
/// <param name="conversionType">Type of the conversion.</param>
public void Add(IGalleryObject mediaObject, MediaQueueItemConversionType conversionType)
{
lock (_sharedLock)
{
var mqItem = new MediaQueueItem
{
MediaQueueId = int.MinValue,
MediaObjectId = mediaObject.Id,
Status = MediaQueueItemStatus.Waiting,
ConversionType = conversionType,
RotationAmount = mediaObject.CalculateNeededRotation(),
StatusDetail = String.Empty,
DateAdded = DateTime.Now,
DateConversionStarted = null,
DateConversionCompleted = null
};
mqItem.Save();
//Factory.GetDataProvider().MediaQueue_Save(mediaQueueDto);
MediaQueueItemDictionary.TryAdd(mqItem.MediaQueueId, mqItem);
}
}
/// <summary>
/// Determines whether the specified media object undergoing the specified <paramref name="conversionType" />
/// is currently waiting to be processed in the media queue.
/// </summary>
/// <param name="mediaObjectId">The media object ID.</param>
/// <param name="conversionType">Type of the conversion. If the parameter omitted, then a matching
/// media object having any conversion type will cause the method to return <c>true</c>.</param>
/// <returns>Returns <c>true</c> if the media object is currently being processed by the media queue;
/// otherwise, <c>false</c>.</returns>
private bool IsWaitingInQueue(int mediaObjectId, MediaQueueItemConversionType conversionType = MediaQueueItemConversionType.Unknown)
{
return MediaQueueItemDictionary.Any(mq =>
mq.Value.MediaObjectId == mediaObjectId &&
mq.Value.Status == MediaQueueItemStatus.Waiting &&
(mq.Value.ConversionType == conversionType || conversionType == MediaQueueItemConversionType.Unknown)
);
}
/// <summary>
/// Determines whether the specified media object undergoing the specified <paramref name="conversionType" />
/// is currently being processed by the media queue or is waiting in the queue.
/// </summary>
/// <param name="mediaObjectId">The ID of the media object.</param>
/// <param name="conversionType">Type of the conversion. If the parameter is omitted, then a matching
/// media object having any conversion type will cause the method to return <c>true</c>.</param>
/// <returns>Returns <c>true</c> if the media object is currently being processed by the media queue
/// or is waiting in the queue; otherwise, <c>false</c>.</returns>
public bool IsWaitingInQueueOrProcessing(int mediaObjectId, MediaQueueItemConversionType conversionType = MediaQueueItemConversionType.Unknown)
{
MediaQueueItem item = GetCurrentMediaQueueItem();
if ((item != null) && item.MediaObjectId == mediaObjectId && (item.ConversionType == conversionType || conversionType == MediaQueueItemConversionType.Unknown))
return true;
else
return IsWaitingInQueue(mediaObjectId, conversionType);
}
/// <summary>
/// Adds the specified <paramref name="mediaObject" /> to the queue. It will be processed in a first-in, first-out
/// order. If the media object is already waiting in the queue, no action is taken.
/// </summary>
/// <param name="mediaObject">The media object to be processed.</param>
/// <param name="conversionType">Type of the conversion.</param>
public void Add(IGalleryObject mediaObject, MediaQueueItemConversionType conversionType)
{
lock (_sharedLock)
{
var mqItem = new MediaQueueItem
{
MediaQueueId = int.MinValue,
MediaObjectId = mediaObject.Id,
Status = MediaQueueItemStatus.Waiting,
ConversionType = conversionType,
RotationAmount = mediaObject.CalculateNeededRotation(),
StatusDetail = String.Empty,
DateAdded = DateTime.Now,
DateConversionStarted = null,
DateConversionCompleted = null
};
mqItem.Save();
//Factory.GetDataProvider().MediaQueue_Save(mediaQueueDto);
MediaQueueItemDictionary.TryAdd(mqItem.MediaQueueId, mqItem);
}
}
