/// <summary>
/// Adds item to the priority queue
/// </summary>
/// <param name="item">
/// The item to be added.
/// </param>
/// <param name="autoSave">
/// The auto Save.
/// </param>
/// <returns>
/// The item added.
/// </returns>
public QueueItem Add(QueueItem item, bool autoSave = true)
{
Contract.Requires(item.Processing == false, "Cannot add a non-pending context");
item = this.context.QueueItems.Add(item);
if (autoSave)
{
this.context.SaveChanges();
}
return item;
}
/// <summary>
/// Removes an item from the priority queue
/// </summary>
/// <param name="item">
/// The item to be removed.
/// </param>
/// <returns>
/// The item removed.
/// </returns>
public QueueItem Remove(QueueItem item)
{
Contract.Requires(item.Id != 0);
item = this.context.QueueItems.Remove(item);
this.context.SaveChanges();
return item;
}
/// <summary>
/// Queue an item of work to be run in the future
/// </summary>
/// <param name="workItemBase">
/// The work item.
/// </param>
/// <param name="timeToRun">
/// The time to run.
/// </param>
/// <returns>
/// The item queued
/// </returns>
public override QueueItem Queue(WorkItemBase workItemBase, DateTime timeToRun)
{
Contract.Requires(timeToRun >= DateTime.Now);
Contract.Ensures(Contract.Result<QueueItem>().Id != 0);
var queueItem = new QueueItem { Processing = false, TimeToRun = timeToRun, Item = workItemBase };
using (var repository = new QueueItemRepository(this.Factory.GetContext()))
{
return repository.Add(queueItem);
}
}