/// <summary>
/// Returns all IEntity constructs in the source sequence which have been bound as the
/// Direct OR Indirect Object of any IVerbal construct which conforms the logic of the
/// IVerbal selector function.
/// </summary>
/// <typeparam name="TEntity">Any Type which implements the IEntity interface.</typeparam>
/// <param name="entities">The sequence of IEntity constructs to filter.</param>
/// <param name="predicate">
/// The function which examines the IndirectObjectOf property of each entity to determine if
/// it should be included in the resulting sequence.
/// </param>
/// <returns>
/// All IEntity constructs in the source sequence which have been bound as the Direct OR
/// Indirect Object of any IVerbal construct which conforms the logic of the IVerbal
/// selector function.
/// </returns>
public static ParallelQuery <TEntity> InObjectRole <TEntity>(this ParallelQuery <TEntity> entities, Func <IVerbal, bool> predicate)
where TEntity : IEntity
{
var direct = entities.InDirectObjectRole(predicate).AsSequential();
var indirect = entities.InIndirectObjectRole(predicate).AsSequential();
return(direct.Union(indirect).AsParallel().WithDegreeOfParallelism(Concurrency.Max));
}
/// <summary>
/// Returns all IEntity constructs in the source sequence which have been bound as the
/// Indirect Object of any IVerbal construct which conforms the logic of the IVerbal
/// selector function.
/// </summary>
/// <typeparam name="TEntity">Any Type which implements the IEntity interface.</typeparam>
/// <param name="entities">The sequence of IEntity constructs to filter.</param>
/// <param name="predicate">
/// The function which examines the IndirectObjectOf property of each entity to determine if
/// it should be included in the resulting sequence.
/// </param>
/// <returns>
/// All IEntity constructs in the source sequence which have been bound as the Indirect
/// Object of any IVerbal construct which conforms the logic of the IVerbal selector function.
/// </returns>
public static ParallelQuery <TEntity> InIndirectObjectRole <TEntity>(this ParallelQuery <TEntity> entities, Func <IVerbal, bool> predicate)
where TEntity : IEntity => from e in entities.InIndirectObjectRole()
where predicate(e.IndirectObjectOf)
select e;