public final String suffix(Object row) {
Node node = (Node) row;
if (node.gcRoots == null) {
try {
GCRootInfo[] gc = snapshot.getGCRootInfo(node.objectId);
node.gcRoots = gc != null ? GCRootInfo.getTypeSetAsString(gc) : Node.NOT_A_GC_ROOT;
} catch (SnapshotException e) {
throw new RuntimeException(e);
}
}
return node.gcRoots == Node.NOT_A_GC_ROOT ? null : node.gcRoots;
}
