void doTxOps(Region<Integer, String> r, Region<CustId, Customer> pr) {
    for (int i = 0; i < 5; i++) {
      CustId custId = new CustId(i);
      Customer cust = new Customer("name" + i, "address" + i);
      getGemfireCache().getLogger().info("putting:" + custId);
      pr.put(custId, cust);
      r.put(i, "value" + i);
    }
  }
Tests the basic client-server transaction functionality
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ClientServerTransactionDUnitTest.java