///-------------------------------------------------------------------------------------------------
/// <summary>
/// Removes this instance.
/// </summary>
///-------------------------------------------------------------------------------------------------
protected override void Remove()
{
using (var session = EnsuresRunInSession())
{
var cmd = new RemoveRelationshipCommand(this);
Session.Current.Execute(cmd);
if (session != null)
{
session.AcceptChanges();
}
}
}
///-------------------------------------------------------------------------------------------------
/// <summary>
/// Removes the given item.
/// </summary>
/// <exception cref="ReadOnlyException">
/// Thrown when a Read Only error condition occurs.
/// </exception>
/// <param name="item">
/// The item to remove.
/// </param>
/// <returns>
/// true if it succeeds, false if it fails.
/// </returns>
///-------------------------------------------------------------------------------------------------
protected bool RemoveInternal(T item)
{
if (IsReadOnly)
{
throw new ReadOnlyException();
}
if (null == item)
{
return(false);
}
var start = Source ?? item;
var end = End ?? item;
var link = start.GetRelationships(SchemaRelationship, end).FirstOrDefault();
if (link == null)
{
return(false);
}
var cmd = new RemoveRelationshipCommand(link);
var session = EnsuresSession();
try
{
Session.Current.Execute(cmd);
}
finally
{
if (session != null)
{
session.AcceptChanges();
session.Dispose();
}
}
// Count--;
return(true); // cmd.Success;
}