ReactorBuildStatus reactorBuildStatus)
            throws ExecutionException, InterruptedException {
        int nThreads = Math.min(
                session.getRequest().getDegreeOfConcurrency(),
                session.getProjects().size());
        boolean parallel = nThreads > 1;
        // Propagate the parallel flag to the root session and all the cloned sessions in each project segment

            this.session = session;
            this.reactorContext = reactorContext;
            this.threads = Math.min(
                    session.getRequest().getDegreeOfConcurrency(),
                    session.getProjects().size());
            // Propagate the parallel flag to the root session
            session.setParallel(threads > 1);

    /**
     * Returns the degree of concurrency for the build.
     *
     * @return  the degree of concurrency
     */
    int getDegreeOfConcurrency();

    /**
     * Retrieves a list of projects associated with the session.
     *
     * @return a list of projects, never {@code null}
     */
    @Nonnull
    List<Project> getProjects();