this.defaultContext = defaultContext;
        }

        // Can be called multiple times
        void attachValue(CalculatedValueContainer<T, ?> owner, @Nullable NodeExecutionContext context) {
            acquireLock();
            try {
                if (done) {
                    // Already calculated
                    return;
                }
                done = true;

      for (LockGraphNode acquiredLock : acquiredLocks) {
        checkAcquiredLock(policy, acquiredLock);
      }
    }

    /**
     * Checks the acquisition-ordering between {@code this}, which is about to be acquired, and the
     * specified {@code acquiredLock}.
     *
     * <p>When this method returns, the {@code acquiredLock} should be in either the {@code

      for (LockGraphNode acquiredLock : acquiredLocks) {
        checkAcquiredLock(policy, acquiredLock);
      }
    }

    /**
     * Checks the acquisition-ordering between {@code this}, which is about to be acquired, and the
     * specified {@code acquiredLock}.
     *
     * <p>When this method returns, the {@code acquiredLock} should be in either the {@code

        return unlock(Arrays.asList(resourceLocks));
    }

    private static class AcquireLocks implements InternalTransformer<ResourceLockState.Disposition, ResourceLockState> {
        private final Iterable<? extends ResourceLock> resourceLocks;
        private final boolean blocking;

        AcquireLocks(Iterable<? extends ResourceLock> resourceLocks, boolean blocking) {
            this.resourceLocks = resourceLocks;

        }
    }

    private void releaseLocks(Iterable<? extends ResourceLock> locks) {
        coordinationService.withStateLock(unlock(locks));
    }

    private void acquireLocks(final Iterable<? extends ResourceLock> locks) {
        if (containsProjectLocks(locks)) {
            projectLockStatistics.measure(new Runnable() {
                @Override
                public void run() {