/// <summary>
/// Parses the relationship.
/// </summary>
/// <param name="relationship">The relationship.</param>
/// <param name="invalidObjects">The invalid objects.</param>
private void ParseRelationship(IChangeTracker <IMutableIdKey> relationship, ISet <long> invalidObjects)
{
/////
// Argument check.
/////
if (relationship == null)
{
return;
}
if (invalidObjects == null)
{
/////
// Reinitialize the set.
/////
invalidObjects = new HashSet <long>( );
}
if (relationship.Flushed)
{
/////
// All entities are invalid.
/////
foreach (var modification in relationship.Where(pair => pair != null))
{
invalidObjects.Add(modification.Key);
}
return;
}
/////
// Process the added relationships.
/////
if (relationship.Added != null && relationship.Added.Any( ))
{
/////
// All added entities are invalid.
/////
foreach (var modification in relationship.Added.Where(pair => pair != null))
{
invalidObjects.Add(modification.Key);
}
}
/////
// Process the removed relationships.
/////
if (relationship.Removed != null && relationship.Removed.Any( ))
{
/////
// All removed entities are invalid.
/////
foreach (var modification in relationship.Removed.Where(pair => pair != null))
{
invalidObjects.Add(modification.Key);
}
}
}
/// <summary>
/// Removes the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns></returns>
public bool Remove(TEntity item)
{
if (item == null)
{
return(false);
}
Precheck( );
IMutableIdKey[] matches = _tracker.Where(pair => pair.Key == item.Id).ToArray( );
return(matches.Aggregate(false, (current, match) => current & _tracker.Remove(match)));
}