allProjectsLocks = new LockCache<Path, AllProjectsLock>(coordinationService, this);
    }

    public boolean getAllowsParallelExecution() {
        return parallelEnabled;
    }

    public ResourceLock getAllProjectsLock(final Path buildIdentityPath) {
        return allProjectsLocks.getOrRegisterResourceLock(buildIdentityPath, new ResourceLockProducer<Path, AllProjectsLock>() {
            @Override

    }

    def "can lock and unlock all projects for a build"() {
        def allProjectsLock = workerLeaseService.getAllProjectsLock(path("root"))
        def projectLock = workerLeaseService.getProjectLock(path("root"), path(":project"))
        def otherBuildAllProjectsLock = workerLeaseService.getAllProjectsLock(path("other"))
        def otherBuildProjectLock = workerLeaseService.getProjectLock(path("other"), path(":project"))

     */
    ResourceLock getAllProjectsLock(Path buildIdentityPath);

    /**
     * Get a lock for access to the specified project's state.
     */
    ResourceLock getProjectLock(Path buildIdentityPath, Path projectIdentityPath);

    /**

            }
        }
    }

    @Override
    WorkerLeaseCompletion maybeStartWorker() {
        throw new UnsupportedOperationException()
    }

    @Override
    ResourceLock getAllProjectsLock(Path buildIdentityPath) {
        throw new UnsupportedOperationException()
    }

    @Override
    Collection<? extends ResourceLock> getCurrentProjectLocks() {
        throw new UnsupportedOperationException()

        return registries.get().getProjectLockRegistry().getAllowsParallelExecution();
    }

    @Override
    public ResourceLock getAllProjectsLock(Path buildIdentityPath) {
        return registries.get().getProjectLockRegistry().getAllProjectsLock(buildIdentityPath);
    }

    @Override
    public ResourceLock getProjectLock(Path buildIdentityPath, Path projectIdentityPath) {

        }

        @Override
        public <T> T withMutableStateOfAllProjects(Factory<T> factory) {
            ResourceLock allProjectsLock = workerLeaseService.getAllProjectsLock(owner.getIdentityPath());
            Collection<? extends ResourceLock> locks = workerLeaseService.getCurrentProjectLocks();
            return workerLeaseService.withReplacedLocks(locks, allProjectsLock, factory);