protected void updateProblemsFor(SourceFile sourceFile, CompilationResult result)
      throws CoreException {
    IMarker[] markers = JavaBuilder.getProblemsFor(sourceFile.resource);
    CategorizedProblem[] problems = result.getProblems();
    if (problems == null && markers.length == 0) return;

    this.notifier.updateProblemCounts(markers, problems);
    JavaBuilder.removeProblemsFor(sourceFile.resource);
    storeProblemsFor(sourceFile, problems);
  }