private Task <object> Delete(IBlackListEntity entity) => Task.Run(() =>
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
var items = this.DataSet.ToList();
items.Remove(entity);
this.Items = new ConcurrentQueue <IBlackListEntity>(items);
return((object)entity);
});
public Task <object> Add(IBlackListEntity entity) => Task.Run <object>(() =>
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
if (!string.IsNullOrWhiteSpace(entity.Content))
{
this.Items.Enqueue(entity);
}
return(entity);
});
public Task <object> Update(IBlackListEntity entity) => this.Add(entity);