/// <summary>
/// Objects known to exist but not expressed by
/// <see cref="NGit.Repository.GetAllRefs()">NGit.Repository.GetAllRefs()</see>
/// .
/// <p>
/// When a repository borrows objects from another repository, it can
/// advertise that it safely has that other repository's references, without
/// exposing any other details about the other repository. This may help
/// a client trying to push changes avoid pushing more than it needs to.
/// </summary>
/// <returns>unmodifiable collection of other known objects.</returns>
public override ICollection <ObjectId> GetAdditionalHaves()
{
HashSet <ObjectId> r = new HashSet <ObjectId>();
foreach (FileObjectDatabase.AlternateHandle d in objectDatabase.MyAlternates())
{
if (d is FileObjectDatabase.AlternateRepository)
{
Repository repo;
repo = ((FileObjectDatabase.AlternateRepository)d).repository;
foreach (Ref @ref in repo.GetAllRefs().Values)
{
if (@ref.GetObjectId() != null)
{
r.AddItem(@ref.GetObjectId());
}
if (@ref.GetPeeledObjectId() != null)
{
r.AddItem(@ref.GetPeeledObjectId());
}
}
Sharpen.Collections.AddAll(r, repo.GetAdditionalHaves());
}
}
return(r);
}
internal override FileObjectDatabase.AlternateHandle[] MyAlternates()
{
if (alts == null)
{
FileObjectDatabase.AlternateHandle[] src = wrapped.MyAlternates();
alts = new FileObjectDatabase.AlternateHandle[src.Length];
for (int i = 0; i < alts.Length; i++)
{
FileObjectDatabase s = src[i].db;
alts[i] = new FileObjectDatabase.AlternateHandle(s.NewCachedFileObjectDatabase());
}
}
return(alts);
}