Example #1
0
 /**
  * Returns the given set of resources after expansion (by resolution of blocks, for instance) by
  * the kernel.
  *
  * @param resources The set of resources to be expanded.
  * @return The given set of resources after expansion (by resolution of blocks, for instance) by
  *     the kernel.
  */
 private Set<TCSResource> expandResources(Set<TCSResource> resources) {
   assert resources != null;
   // Build a set of references
   Set<TCSResourceReference> refs = new HashSet<>();
   for (TCSResource curResource : resources) {
     refs.add(curResource.getReference());
   }
   // Let the kernel expand the resources for us.
   try {
     Set<TCSResource> result = localKernel.expandResources(refs);
     log.fine("Set " + resources + " expanded to " + result);
     return result;
   } catch (ObjectUnknownException exc) {
     throw new IllegalStateException("Unexpected exception", exc);
   }
 }
Example #2
0
  @Override
  public void allocateNow(ResourceUser resourceUser, Set<TCSResource> resources)
      throws ResourceAllocationException {
    Objects.requireNonNull(resourceUser, "resourceUser is null");
    Objects.requireNonNull(resources, "resources is null");

    synchronized (reservations) {
      // Check if all resources are available.
      final Set<TCSResource> availableResources = new HashSet<>();
      for (TCSResource curResource : resources) {
        ReservationEntry entry = getReservationEntry(curResource);
        if (!entry.isFree() && !entry.getResourceUser().equals(resourceUser)) {
          log.severe("Resource unavailable: " + curResource.getName());
          // XXX DO something about it?!
        } else {
          availableResources.add(curResource);
        }
      }
      // Allocate all requested resources that are available.
      for (TCSResource curResource : availableResources) {
        getReservationEntry(curResource).allocate(resourceUser);
      }
    }
  }