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());
}
}
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 checkPointSearches(IIndexTestContext ictx) throws Exception {
if (LOGGER.isLoggable(Level.INFO)) {
LOGGER.info("Testing Point Searches On All Expected Keys.");
}
OrderedIndexTestContext ctx = (OrderedIndexTestContext) ictx;
IIndexCursor searchCursor = ctx.getIndexAccessor().createSearchCursor(false);
ArrayTupleBuilder lowKeyBuilder = new ArrayTupleBuilder(ctx.getKeyFieldCount());
ArrayTupleReference lowKey = new ArrayTupleReference();
ArrayTupleBuilder highKeyBuilder = new ArrayTupleBuilder(ctx.getKeyFieldCount());
ArrayTupleReference highKey = new ArrayTupleReference();
RangePredicate rangePred = new RangePredicate(lowKey, highKey, true, true, null, null);
// Iterate through expected tuples, and perform a point search in the
// BTree to verify the tuple can be reached.
for (CheckTuple checkTuple : ctx.getCheckTuples()) {
createTupleFromCheckTuple(checkTuple, lowKeyBuilder, lowKey, ctx.getFieldSerdes());
createTupleFromCheckTuple(checkTuple, highKeyBuilder, highKey, ctx.getFieldSerdes());
MultiComparator lowKeyCmp =
BTreeUtils.getSearchMultiComparator(ctx.getComparatorFactories(), lowKey);
MultiComparator highKeyCmp =
BTreeUtils.getSearchMultiComparator(ctx.getComparatorFactories(), highKey);
rangePred.setLowKey(lowKey, true);
rangePred.setHighKey(highKey, true);
rangePred.setLowKeyComparator(lowKeyCmp);
rangePred.setHighKeyComparator(highKeyCmp);
ctx.getIndexAccessor().search(searchCursor, rangePred);
try {
// We expect exactly one answer.
if (searchCursor.hasNext()) {
searchCursor.next();
ITupleReference tuple = searchCursor.getTuple();
compareActualAndExpected(tuple, checkTuple, ctx.getFieldSerdes());
}
if (searchCursor.hasNext()) {
fail("Point search returned more than one answer.");
}
} finally {
searchCursor.close();
}
}
}
@SuppressWarnings("unchecked")
public void updateTuples(IIndexTestContext ictx, int numTuples, Random rnd) throws Exception {
OrderedIndexTestContext ctx = (OrderedIndexTestContext) ictx;
int fieldCount = ctx.getFieldCount();
int keyFieldCount = ctx.getKeyFieldCount();
// This is a noop because we can only update non-key fields.
if (fieldCount == keyFieldCount) {
return;
}
ArrayTupleBuilder updateTupleBuilder = new ArrayTupleBuilder(fieldCount);
ArrayTupleReference updateTuple = new ArrayTupleReference();
int numCheckTuples = ctx.getCheckTuples().size();
// Copy CheckTuple references into array, so we can randomly pick from
// there.
CheckTuple[] checkTuples = new CheckTuple[numCheckTuples];
int idx = 0;
for (CheckTuple checkTuple : ctx.getCheckTuples()) {
checkTuples[idx++] = checkTuple;
}
for (int i = 0; i < numTuples && numCheckTuples > 0; i++) {
if (LOGGER.isLoggable(Level.INFO)) {
if ((i + 1) % (numTuples / Math.min(10, numTuples)) == 0) {
LOGGER.info("Updating Tuple " + (i + 1) + "/" + numTuples);
}
}
int checkTupleIdx = Math.abs(rnd.nextInt() % numCheckTuples);
CheckTuple checkTuple = checkTuples[checkTupleIdx];
// Update check tuple's non-key fields.
for (int j = keyFieldCount; j < fieldCount; j++) {
Comparable newValue = getRandomUpdateValue(ctx.getFieldSerdes()[j], rnd);
checkTuple.setField(j, newValue);
}
createTupleFromCheckTuple(checkTuple, updateTupleBuilder, updateTuple, ctx.getFieldSerdes());
ctx.getIndexAccessor().update(updateTuple);
// Swap with last "valid" CheckTuple.
CheckTuple tmp = checkTuples[numCheckTuples - 1];
checkTuples[numCheckTuples - 1] = checkTuple;
checkTuples[checkTupleIdx] = tmp;
numCheckTuples--;
}
}