*
 * @since 3.0
 */
public class ReactorBuildStatus {
    private final ProjectDependencyGraph projectDependencyGraph;

    private final Collection<String> blackListedProjects = Collections.synchronizedSet(new HashSet<>());

    private volatile boolean halted = false;

    public ReactorBuildStatus(ProjectDependencyGraph projectDependencyGraph) {

    private final ReactorBuildStatus reactorBuildStatus;

    public ReactorContext(
            MavenExecutionResult result,
            ClassLoader originalContextClassLoader,
            ReactorBuildStatus reactorBuildStatus) {
        this.result = result;
        this.originalContextClassLoader = originalContextClassLoader;
        this.reactorBuildStatus = reactorBuildStatus;
    }

        MavenSession session = projectExecutionEvent.getSession();
        boolean halted;
        // The ReactorBuildStatus is only available if the SmartBuilder is used
        ReactorBuildStatus status =
                (ReactorBuildStatus) session.getRepositorySession().getData().get(ReactorBuildStatus.class);
        if (status != null) {
            halted = status.isHalted();
        } else {

            ClassLoader oldContextClassLoader = Thread.currentThread().getContextClassLoader();
            ReactorBuildStatus reactorBuildStatus = new ReactorBuildStatus(session.getProjectDependencyGraph());
            ReactorContext reactorContext =
                    new ReactorContext(session.getResult(), oldContextClassLoader, reactorBuildStatus);
            executor.execute(session, reactorContext, taskSegments);

        } catch (Exception e) {

    public void build(
            MavenSession session,
            ReactorContext reactorContext,
            ProjectBuildList projectBuilds,
            List<TaskSegment> taskSegments,
            ReactorBuildStatus reactorBuildStatus) {
        for (TaskSegment taskSegment : taskSegments) {
            for (ProjectSegment projectBuild : projectBuilds.getByTaskSegment(taskSegment)) {
                try {

            }

            ClassLoader oldContextClassLoader = Thread.currentThread().getContextClassLoader();
            ReactorBuildStatus reactorBuildStatus = new ReactorBuildStatus(session.getProjectDependencyGraph());
            reactorContext = new ReactorContext(result, oldContextClassLoader, reactorBuildStatus);

            String builderId = session.getRequest().getBuilderId();
            Builder builder = builders.get(builderId);

    //
    void build(
            MavenSession session,
            ReactorContext reactorContext,
            ProjectBuildList projectBuilds,
            List<TaskSegment> taskSegments,
            ReactorBuildStatus reactorBuildStatus)
            throws ExecutionException, InterruptedException;

    public void build(
            MavenSession session,
            ReactorContext reactorContext,
            ProjectBuildList projectBuilds,
            List<TaskSegment> taskSegments,
            ReactorBuildStatus reactorBuildStatus)
            throws ExecutionException, InterruptedException {
        int nThreads = Math.min(
                session.getRequest().getDegreeOfConcurrency(),
                session.getProjects().size());