/// <summary>
/// Exits the current update operation.
/// </summary>
public void Dispose()
{
if (collection != null)
{
Interlocked.Exchange(ref collection.operation, null);
collection = null;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="NavigableCollectionService{T, TMetadata}"/> class.
/// </summary>
/// <param name="collection">The underlying collection.</param>
internal NavigableCollectionService(NavigableCollection <T, TMetadata> collection)
{
this.collection = collection;
}
/// <summary>
/// Creates a <see cref="INavigationService"/> wrapper over the <see cref="NavigableCollection{T, TMetadata}"/>.
/// </summary>
/// <typeparam name="T">The type of the navigable objects in the collection.</typeparam>
/// <typeparam name="TMetadata">The type of the metadata of the navigable objects.</typeparam>
/// <param name="collection">The <see cref="NavigableCollection{T, TMetadata}"/> to wrap.</param>
/// <returns>The <see cref="INavigationService"/> wrapper over the <paramref name="collection"/>.</returns>
public static INavigationService CreateService <T, TMetadata>(this NavigableCollection <T, TMetadata> collection) where T : class where TMetadata : INavigationMetadata
{
Requires.NotNull(collection, nameof(collection));
return(new NavigableCollectionService <T, TMetadata>(collection));
}
/// <summary>
/// Initializes a new instance of the <see cref="Navigation"/> class.
/// </summary>
/// <param name="collection">The underlying collection.</param>
internal Navigation(NavigableCollection <T, TMetadata> collection) : base(collection)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Recomposition"/> class.
/// </summary>
/// <param name="collection">The underlying collection.</param>
internal Recomposition(NavigableCollection <T, TMetadata> collection) : base(collection)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SynchronizedOperation"/> class.
/// </summary>
/// <param name="collection">The underlying collection.</param>
protected SynchronizedOperation(NavigableCollection <T, TMetadata> collection)
{
this.collection = collection;
Interlocked.CompareExchange(ref collection.operation, this, null)?.Throw();
}