@Override
      public Object call() {
        Region<OrderId, Order> orderRegion = getCache().getRegion(ORDER);
        orderRegion.getAttributesMutator().setCacheLoader(new CacheLoader() {
          @Override
          public void close() {}

          @Override
          public Object load(LoaderHelper helper) throws CacheLoaderException {
            return new Order(helper.getKey() + "_loaded");
          }
        });
        return null;
      }
Tests the basic client-server transaction functionality
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ClientServerTransactionDUnitTest.java