/// <summary>
/// Selects a single item.
/// </summary>
/// <returns>The single item.</returns>
public T SelectSingle()
{
return(_odata.GetValue(QueryArgs, ExecuteQuery(q =>
{
var coll = q.Skip(0).Top(2).FindEntriesAsync().GetAwaiter().GetResult();
return coll.Single();
})));
}
/// <summary>
/// Executes a query adding to the passed collection.
/// </summary>
/// <typeparam name="TColl">The collection <see cref="Type"/>.</typeparam>
/// <param name="coll">The collection to add items to.</param>
/// <remarks>The <see cref="QueryArgs"/> <see cref="ODataArgs{T, TModel}.Paging"/> is also applied, including <see cref="PagingArgs.IsGetCount"/> where requested.</remarks>
public void SelectQuery <TColl>(TColl coll) where TColl : ICollection <T>
{
ExecuteQuery(q =>
{
ODataFeedAnnotations ann = null !;
if (QueryArgs.Paging != null)
{
q = q.Skip(QueryArgs.Paging.Skip).Top(QueryArgs.Paging.Take);
if (QueryArgs.Paging.IsGetCount && _odata.IsPagingGetCountSupported)
{
ann = new ODataFeedAnnotations();
}
}
foreach (var item in q.FindEntriesAsync(ann).GetAwaiter().GetResult())
{
coll.Add(ODataBase.GetValue(QueryArgs, item));
}
if (ann != null)
{
QueryArgs.Paging !.TotalCount = ann.Count;
}
});
}
/// <summary>
/// Selects first item.
/// </summary>
/// <returns>The first item.</returns>
public T SelectFirst()
{
return(ODataBase.GetValue(QueryArgs, ExecuteQuery(q =>
{
var coll = q.Skip(0).Top(1).FindEntriesAsync().GetAwaiter().GetResult();
return coll.First();
})));
}
/// <summary>
/// Selects a single item or default.
/// </summary>
/// <returns>The single item or default.</returns>
public T?SelectSingleOrDefault()
{
return(ODataBase.GetValue <T, TModel>(QueryArgs, ExecuteQuery(q =>
{
var coll = q.Skip(0).Top(2).FindEntriesAsync().GetAwaiter().GetResult();
return coll.SingleOrDefault();
})));
}