thechiselgroup/biomixer — comment on commit 22076e3b771a31afbfe639c14690fbde5207dca6
File: src/org/thechiselgroup/biomixer/client/visualization_component/graph/layouts/TreeFactory.java line 22
By lgrammel:

Instead of having a list of tree nodes, a map from tree node id to tree node might be better (since the tree nodes get looked up by id).