private Collection<PluginTableItem> createRows(List<PipelinePosition> positions) {
PluginDisplayNameLookup displayNames = selectorModel.getNameLookup();
Set<PluginTableItem> items = new TreeSet<PluginTableItem>();
for (PipelinePosition pos : positions) {
PluginIdentifier pluginId = pos.getPluginId();
items.add(new PluginTableItem(pos, displayNames.getDisplayName(pluginId)));
}
return items;
}