public override IDictionary <string, Ref> getRefs(string prefix)
{
RefList <Ref> packed = getPackedRefs();
RefList <LooseRef> oldLoose = looseRefs.get();
var scan = new LooseScanner(oldLoose, this);
scan.scan(prefix);
RefList <LooseRef> loose;
if (scan.newLoose != null)
{
loose = scan.newLoose.toRefList();
if (looseRefs.compareAndSet(oldLoose, loose))
{
modCnt.incrementAndGet();
}
}
else
{
loose = oldLoose;
}
fireRefsChanged();
RefList <Ref> .Builder <Ref> symbolic = scan.symbolic;
for (int idx = 0; idx < symbolic.size();)
{
Ref @ref = symbolic.get(idx);
@ref = resolve(@ref, 0, prefix, loose, packed);
if (@ref != null && @ref.getObjectId() != null)
{
symbolic.set(idx, @ref);
idx++;
}
else
{
// A broken symbolic reference, we have to drop it from the
// collections the client is about to receive. Should be a
// rare occurrence so pay a copy penalty.
loose = loose.remove(idx);
symbolic.remove(idx);
}
}
return(new RefMap(prefix, packed, upcast(loose), symbolic.toRefList()));
}
private RefList <LooseRef> getLooseRefs()
{
RefList <LooseRef> oldLoose = looseRefs.get();
var scan = new LooseScanner(oldLoose, this);
scan.scan(ALL);
RefList <LooseRef> loose;
if (scan.newLoose != null)
{
loose = scan.newLoose.toRefList();
if (looseRefs.compareAndSet(oldLoose, loose))
{
modCnt.incrementAndGet();
}
}
else
{
loose = oldLoose;
}
return(loose);
}