/// <summary> /// Fetches the requested page from the IItemsProvider. /// </summary> /// <param name="pageIndex">Index of the page.</param> /// <returns></returns> protected IList <T> FetchPage(int pageIndex, int pageLength, out int count) { var result = ItemsProvider.FetchRange(pageIndex * PageSize, pageLength, out count); Debug.Assert(result.Count <= pageLength, string.Format("Requested {0} got {1}", pageLength, result.Count)); Debug.Assert(count >= result.Count, "Sanity check"); return(result); }
/// <summary> /// Fetches the requested page from the IItemsProvider. /// </summary> /// <param name="pageIndex">Index of the page.</param> /// <returns></returns> protected IList <T> FetchPage(int pageIndex) { if (pageIndex * PageSize + PageSize <= _count) { return(ItemsProvider.FetchRange(pageIndex * PageSize, PageSize)); } return(ItemsProvider.FetchRange(pageIndex * PageSize, (_count - pageIndex * PageSize))); }
/// <summary> /// Fetches the requested page from the IItemsProvider. /// </summary> /// <param name="pageIndex">Index of the page.</param> /// <returns></returns> protected IList <T> FetchPage(int pageIndex) { return(ItemsProvider.FetchRange(pageIndex * PageSize, PageSize)); }
/// <summary> /// Fetches the requested page from the IItemsProvider. /// </summary> /// <param name="pageIndex">Index of the page.</param> /// <returns></returns> protected async Task <IList <T> > FetchPage(int pageIndex) { return(await ItemsProvider.FetchRange(pageIndex *PageSize, PageSize)); }
protected IList <T> FetchRange(int startIndex, int count) { return(ItemsProvider.FetchRange(startIndex, count)); }
/// <summary> /// Fetches the requested page from the IItemsProvider. /// </summary> /// <param name="pageIndex">Index of the page.</param> /// <returns></returns> protected IList <T> FetchPage(int pageIndex) { //Trace.WriteLine("ВОЗВРАТ СТРАНИЦЫ: pageIndex=" + pageIndex); return(ItemsProvider.FetchRange(pageIndex * PageSize, PageSize)); }
/// <summary> /// Not supported. /// </summary> /// <param name="array">The one-dimensional <see cref="T:System.Array"/> that is the destination of the elements copied from <see cref="T:System.Collections.Generic.ICollection`1"/>. The <see cref="T:System.Array"/> must have zero-based indexing.</param> /// <param name="arrayIndex">The zero-based index in <paramref name="array"/> at which copying begins.</param> /// <exception cref="T:System.ArgumentNullException"> /// <paramref name="array"/> is null. /// </exception> /// <exception cref="T:System.ArgumentOutOfRangeException"> /// <paramref name="arrayIndex"/> is less than 0. /// </exception> /// <exception cref="T:System.ArgumentException"> /// <paramref name="array"/> is multidimensional. /// -or- /// <paramref name="arrayIndex"/> is equal to or greater than the length of <paramref name="array"/>. /// -or- /// The number of elements in the source <see cref="T:System.Collections.Generic.ICollection`1"/> is greater than the available space from <paramref name="arrayIndex"/> to the end of the destination <paramref name="array"/>. /// -or- /// Type <paramref name="T"/> cannot be cast automatically to the type of the destination <paramref name="array"/>. /// </exception> public void CopyTo(T[] array, int arrayIndex) { ItemsProvider.FetchRange(arrayIndex, array.Length).CopyTo(array, arrayIndex); }
/// <summary> /// Not supported. /// </summary> /// <param name="array">The one-dimensional <see cref="T:System.Array"/> that is the destination of the elements copied from <see cref="T:System.Collections.Generic.ICollection`1"/>. The <see cref="T:System.Array"/> must have zero-based indexing.</param> /// <param name="arrayIndex">The zero-based index in <paramref name="array"/> at which copying begins.</param> /// <exception cref="T:System.ArgumentNullException"> /// <paramref name="array"/> is null. /// </exception> /// <exception cref="T:System.ArgumentOutOfRangeException"> /// <paramref name="arrayIndex"/> is less than 0. /// </exception> /// <exception cref="T:System.ArgumentException"> /// <paramref name="array"/> is multidimensional. /// -or- /// <paramref name="arrayIndex"/> is equal to or greater than the length of <paramref name="array"/>. /// -or- /// The number of elements in the source <see cref="T:System.Collections.Generic.ICollection`1"/> is greater than the available space from <paramref name="arrayIndex"/> to the end of the destination <paramref name="array"/>. /// -or- /// Type <see cref="T"/> cannot be cast automatically to the type of the destination <paramref name="array"/>. /// </exception> public void CopyTo(T[] array, int arrayIndex) { ItemsProvider.FetchRange(0, Count).CopyTo(array); }
/// <summary> /// Fetches the requested page from the IItemsProvider. /// </summary> /// <param name="pageIndex">Index of the page.</param> /// <returns></returns> protected IList <T> FetchPage(int pageIndex, int pageLength, out int count) { return(ItemsProvider.FetchRange(pageIndex * PageSize, pageLength, out count)); }