public void apply( final SvnVcs vcs, final List<RootUrlInfo> roots, final List<VirtualFile> lonelyRoots) { final SvnMapping mapping = new SvnMapping(); mapping.addAll(roots); mapping.reportLonelyRoots(lonelyRoots); final SvnMapping groupedMapping = new SvnMapping(); final List<RootUrlInfo> filtered = new ArrayList<RootUrlInfo>(); ForNestedRootChecker.filterOutSuperfluousChildren(vcs, roots, filtered); groupedMapping.addAll(filtered); ApplicationManager.getApplication() .runReadAction( new Runnable() { @Override public void run() { synchronized (myMonitor) { myMapping.copyFrom(mapping); myMoreRealMapping.copyFrom(groupedMapping); } } }); myProject.getMessageBus().syncPublisher(SvnVcs.ROOTS_RELOADED).run(); }