oldStart = start;
ITypeRoot root = JavaUI.getEditorInputTypeRoot(editor.getEditorInput());
if (root != null && root.getElementType() == IJavaElement.COMPILATION_UNIT) {
FusionCache cache = FusionCache.getCache();
cache.makeCacheValid((ICompilationUnit)root);
info = cache.getResults((ICompilationUnit)root, oldStart);
RelationshipView.this.viewer.refresh();
}
else {
info = null;
}