/// <summary>
/// Removes the specified keys from the cache.
///
/// Any keys not contained in the cache are ignored
/// </summary>
/// <typeparam name="TObject">The type of the object.</typeparam>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <param name="source">The source.</param>
/// <param name="keys">The keys.</param>
/// <exception cref="System.ArgumentNullException">source</exception>
public static void Remove <TObject, TKey>(this IIntermediateCache <TObject, TKey> source, IEnumerable <TKey> keys)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
source.BatchUpdate(updater => updater.Remove(keys));
}
/// <summary>
/// Clears all items from the cache
/// </summary>
/// <typeparam name="TObject">The type of the object.</typeparam>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <param name="source">The source.</param>
/// <exception cref="System.ArgumentNullException">source</exception>
public static void Clear <TObject, TKey>(this IIntermediateCache <TObject, TKey> source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
source.BatchUpdate(updater => updater.Clear());
}
/// <summary>
/// Populates a source into the specified cache
/// </summary>
/// <typeparam name="TObject">The type of the object.</typeparam>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <param name="source">The source.</param>
/// <param name="detination">The detination.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">source
/// or
/// detination</exception>
public static IDisposable PopulateInto <TObject, TKey>(this IObservable <IChangeSet <TObject, TKey> > source, IIntermediateCache <TObject, TKey> detination)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (detination == null)
{
throw new ArgumentNullException("detination");
}
return(source.Subscribe(changes => detination.BatchUpdate(updater => updater.Update(changes))));
}