/**
   * Returns the single object of a "keyed slot".
   *
   * @param slotOwner the object owning the slot
   * @param name name of key slot
   * @return object or <code>null</code> it does not exist
   */
  public static RPObject getKeyedSlotObject(final SlotOwner slotOwner, final String name) {
    if (!slotOwner.hasSlot(name)) {
      logger.error("Expected to find " + name + " slot in " + slotOwner, new Throwable());
      return null;
    }

    final RPSlot slot = slotOwner.getSlot(name);

    if (slot.size() == 0) {
      logger.error("Found empty " + name + " slot" + slotOwner, new Throwable());
      return null;
    }

    return slot.iterator().next();
  }
Beispiel #2
0
 /**
  * Checks if the corpse is empty or not
  *
  * @return true if the corpse is empty
  */
 public boolean isEmpty() {
   // size() is a method from RPSlot which counts the number of objects in the slot
   return content.size() == 0;
 }