/**
* 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();
}
/**
* 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;
}