public void upsertIntTuples(IIndexTestContext ictx, int numTuples, Random rnd) throws Exception {
   OrderedIndexTestContext ctx = (OrderedIndexTestContext) ictx;
   int fieldCount = ctx.getFieldCount();
   int numKeyFields = ctx.getKeyFieldCount();
   int[] fieldValues = new int[ctx.getFieldCount()];
   // Scale range of values according to number of keys.
   // For example, for 2 keys we want the square root of numTuples, for 3
   // keys the cube root of numTuples, etc.
   int maxValue = (int) Math.ceil(Math.pow(numTuples, 1.0 / (double) numKeyFields));
   for (int i = 0; i < numTuples; i++) {
     // Set keys.
     setIntKeyFields(fieldValues, numKeyFields, maxValue, rnd);
     // Set values.
     setIntPayloadFields(fieldValues, numKeyFields, fieldCount);
     TupleUtils.createIntegerTuple(ctx.getTupleBuilder(), ctx.getTuple(), fieldValues);
     if (LOGGER.isLoggable(Level.INFO)) {
       if ((i + 1) % (numTuples / Math.min(10, numTuples)) == 0) {
         LOGGER.info("Inserting Tuple " + (i + 1) + "/" + numTuples);
       }
     }
     ctx.getIndexAccessor().upsert(ctx.getTuple());
     ctx.upsertCheckTuple(
         createIntCheckTuple(fieldValues, ctx.getKeyFieldCount()), ctx.getCheckTuples());
   }
 }
 public void upsertStringTuples(IIndexTestContext ictx, int numTuples, Random rnd)
     throws Exception {
   OrderedIndexTestContext ctx = (OrderedIndexTestContext) ictx;
   int fieldCount = ctx.getFieldCount();
   int numKeyFields = ctx.getKeyFieldCount();
   String[] fieldValues = new String[fieldCount];
   for (int i = 0; i < numTuples; i++) {
     if (LOGGER.isLoggable(Level.INFO)) {
       if ((i + 1) % (numTuples / Math.min(10, numTuples)) == 0) {
         LOGGER.info("Inserting Tuple " + (i + 1) + "/" + numTuples);
       }
     }
     // Set keys.
     for (int j = 0; j < numKeyFields; j++) {
       int length = (Math.abs(rnd.nextInt()) % 10) + 1;
       fieldValues[j] = getRandomString(length, rnd);
     }
     // Set values.
     for (int j = numKeyFields; j < fieldCount; j++) {
       fieldValues[j] = getRandomString(5, rnd);
     }
     TupleUtils.createTuple(
         ctx.getTupleBuilder(), ctx.getTuple(), ctx.getFieldSerdes(), (Object[]) fieldValues);
     ctx.getIndexAccessor().upsert(ctx.getTuple());
     ctx.upsertCheckTuple(
         createStringCheckTuple(fieldValues, ctx.getKeyFieldCount()), ctx.getCheckTuples());
   }
 }