code: public IEntityLock newWriteLock(Class entityType, String entityKey, String owner)
              throws LockingException {
          return lockService.newLock(entityType, entityKey, IEntityLockService.WRITE_LOCK, owner);
      }
docs: Returns a write lock for the entity type, entity key and owner.
  
  @return org.apereo.portal.concurrency.locking.IEntityLock
  @param entityType Class
  @param entityKey String
  @param owner String
  @exception LockingException