Examples with ITypeTraits org.apache.hyracks.api.dataflow.value.ITypeTraits used on opensource projects

Example 11 with ITypeTraits

use of org.apache.hyracks.api.dataflow.value.ITypeTraits in project asterixdb by apache.

the class LSMBTreeExamplesTest method additionalFilteringingExample.

/**
     * Test the LSM component filters.
     */
@Test
public void additionalFilteringingExample() throws Exception {
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("Testing LSMBTree component filters.");
    }
    // Declare fields.
    int fieldCount = 2;
    ITypeTraits[] typeTraits = new ITypeTraits[fieldCount];
    typeTraits[0] = IntegerPointable.TYPE_TRAITS;
    typeTraits[1] = IntegerPointable.TYPE_TRAITS;
    // Declare field serdes.
    ISerializerDeserializer[] fieldSerdes = { IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE };
    // Declare keys.
    int keyFieldCount = 1;
    IBinaryComparatorFactory[] cmpFactories = new IBinaryComparatorFactory[keyFieldCount];
    cmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    // This is only used for the LSM-BTree.
    int[] bloomFilterKeyFields = new int[keyFieldCount];
    bloomFilterKeyFields[0] = 0;
    ITypeTraits[] filterTypeTraits = { IntegerPointable.TYPE_TRAITS };
    IBinaryComparatorFactory[] filterCmpFactories = { PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY) };
    int[] filterFields = { 1 };
    int[] btreeFields = { 1 };
    ITreeIndex treeIndex = createTreeIndex(typeTraits, cmpFactories, bloomFilterKeyFields, filterTypeTraits, filterCmpFactories, btreeFields, filterFields);
    treeIndex.create();
    treeIndex.activate();
    long start = System.currentTimeMillis();
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("Inserting into tree...");
    }
    ArrayTupleBuilder tb = new ArrayTupleBuilder(fieldCount);
    ArrayTupleReference tuple = new ArrayTupleReference();
    IIndexAccessor indexAccessor = treeIndex.createAccessor(TestOperationCallback.INSTANCE, TestOperationCallback.INSTANCE);
    int numInserts = 10000;
    for (int i = 0; i < numInserts; i++) {
        int f0 = rnd.nextInt() % numInserts;
        int f1 = i;
        TupleUtils.createIntegerTuple(tb, tuple, f0, f1);
        if (LOGGER.isLoggable(Level.INFO)) {
            if (i % 1000 == 0) {
                LOGGER.info("Inserting " + i + " : " + f0 + " " + f1);
            }
        }
        indexAccessor.insert(tuple);
    }
    long end = System.currentTimeMillis();
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info(numInserts + " inserts in " + (end - start) + "ms");
    }
    orderedScan(indexAccessor, fieldSerdes);
    diskOrderScan(indexAccessor, fieldSerdes);
    // Build low key.
    ArrayTupleBuilder lowKeyTb = new ArrayTupleBuilder(keyFieldCount);
    ArrayTupleReference lowKey = new ArrayTupleReference();
    TupleUtils.createIntegerTuple(lowKeyTb, lowKey, -1000);
    // Build high key.
    ArrayTupleBuilder highKeyTb = new ArrayTupleBuilder(keyFieldCount);
    ArrayTupleReference highKey = new ArrayTupleReference();
    TupleUtils.createIntegerTuple(highKeyTb, highKey, 1000);
    // Build min filter key.
    ArrayTupleBuilder minFilterTb = new ArrayTupleBuilder(filterFields.length);
    ArrayTupleReference minTuple = new ArrayTupleReference();
    TupleUtils.createIntegerTuple(minFilterTb, minTuple, 400);
    // Build max filter key.
    ArrayTupleBuilder maxFilterTb = new ArrayTupleBuilder(filterFields.length);
    ArrayTupleReference maxTuple = new ArrayTupleReference();
    TupleUtils.createIntegerTuple(maxFilterTb, maxTuple, 500);
    rangeSearch(cmpFactories, indexAccessor, fieldSerdes, lowKey, highKey, minTuple, maxTuple);
    treeIndex.validate();
    treeIndex.deactivate();
    treeIndex.destroy();
}

Example 12 with ITypeTraits

use of org.apache.hyracks.api.dataflow.value.ITypeTraits in project asterixdb by apache.

the class LSMBTreeTuplesTest method testLSMBTreeTuple.

private void testLSMBTreeTuple(ISerializerDeserializer[] maxFieldSerdes) throws HyracksDataException {
    // Create a tuple with the max-1 fields for checking setFieldCount() of tuple references later.
    ITypeTraits[] maxTypeTraits = SerdeUtils.serdesToTypeTraits(maxFieldSerdes);
    IFieldValueGenerator[] maxFieldGens = DataGenUtils.getFieldGensFromSerdes(maxFieldSerdes, rnd, false);
    // Generate a tuple with random field values.
    Object[] maxFields = new Object[maxFieldSerdes.length];
    for (int j = 0; j < maxFieldSerdes.length; j++) {
        maxFields[j] = maxFieldGens[j].next();
    }
    // Run test for varying number of fields and keys.
    for (int numKeyFields = 1; numKeyFields < maxFieldSerdes.length; numKeyFields++) {
        // Create tuples with varying number of fields, and try to interpret their bytes with the lsmBTreeTuple.
        for (int numFields = numKeyFields; numFields <= maxFieldSerdes.length; numFields++) {
            // Create and write tuple to bytes using an LSMBTreeTupleWriter.
            LSMBTreeTupleWriter maxMatterTupleWriter = new LSMBTreeTupleWriter(maxTypeTraits, numKeyFields, false);
            ITupleReference maxTuple = TupleUtils.createTuple(maxFieldSerdes, (Object[]) maxFields);
            ByteBuffer maxMatterBuf = writeTuple(maxTuple, maxMatterTupleWriter);
            // Tuple reference should work for both matter and antimatter tuples (doesn't matter which factory creates it).
            LSMBTreeTupleReference maxLsmBTreeTuple = (LSMBTreeTupleReference) maxMatterTupleWriter.createTupleReference();
            ISerializerDeserializer[] fieldSerdes = Arrays.copyOfRange(maxFieldSerdes, 0, numFields);
            ITypeTraits[] typeTraits = SerdeUtils.serdesToTypeTraits(fieldSerdes);
            IFieldValueGenerator[] fieldGens = DataGenUtils.getFieldGensFromSerdes(fieldSerdes, rnd, false);
            // Generate a tuple with random field values.
            Object[] fields = new Object[numFields];
            for (int j = 0; j < numFields; j++) {
                fields[j] = fieldGens[j].next();
            }
            // Create and write tuple to bytes using an LSMBTreeTupleWriter.
            ITupleReference tuple = TupleUtils.createTuple(fieldSerdes, (Object[]) fields);
            LSMBTreeTupleWriter matterTupleWriter = new LSMBTreeTupleWriter(typeTraits, numKeyFields, false);
            LSMBTreeTupleWriter antimatterTupleWriter = new LSMBTreeTupleWriter(typeTraits, numKeyFields, true);
            LSMBTreeCopyTupleWriter copyTupleWriter = new LSMBTreeCopyTupleWriter(typeTraits, numKeyFields);
            ByteBuffer matterBuf = writeTuple(tuple, matterTupleWriter);
            ByteBuffer antimatterBuf = writeTuple(tuple, antimatterTupleWriter);
            // The antimatter buf should only contain keys, sanity check the size.
            if (numFields != numKeyFields) {
                assertTrue(antimatterBuf.array().length < matterBuf.array().length);
            }
            // Tuple reference should work for both matter and antimatter tuples (doesn't matter which factory creates it).
            LSMBTreeTupleReference lsmBTreeTuple = (LSMBTreeTupleReference) matterTupleWriter.createTupleReference();
            // Repeat the block inside to test that repeated resetting to matter/antimatter tuples works.
            for (int r = 0; r < 4; r++) {
                // Check matter tuple with lsmBTreeTuple.
                lsmBTreeTuple.resetByTupleOffset(matterBuf.array(), 0);
                checkTuple(lsmBTreeTuple, numFields, false, fieldSerdes, fields);
                // Create a copy using copyTupleWriter, and verify again.
                ByteBuffer copyMatterBuf = writeTuple(lsmBTreeTuple, copyTupleWriter);
                lsmBTreeTuple.resetByTupleOffset(copyMatterBuf.array(), 0);
                checkTuple(lsmBTreeTuple, numFields, false, fieldSerdes, fields);
                // Check antimatter tuple with lsmBTreeTuple.
                lsmBTreeTuple.resetByTupleOffset(antimatterBuf.array(), 0);
                // Should only contain keys.
                checkTuple(lsmBTreeTuple, numKeyFields, true, fieldSerdes, fields);
                // Create a copy using copyTupleWriter, and verify again.
                ByteBuffer copyAntimatterBuf = writeTuple(lsmBTreeTuple, copyTupleWriter);
                lsmBTreeTuple.resetByTupleOffset(copyAntimatterBuf.array(), 0);
                // Should only contain keys.
                checkTuple(lsmBTreeTuple, numKeyFields, true, fieldSerdes, fields);
                // Check matter tuple with maxLsmBTreeTuple.
                // We should be able to manually set a prefix of the fields
                // (the passed type traits in the tuple factory's constructor).
                maxLsmBTreeTuple.setFieldCount(numFields);
                maxLsmBTreeTuple.resetByTupleOffset(matterBuf.array(), 0);
                checkTuple(maxLsmBTreeTuple, numFields, false, fieldSerdes, fields);
                // Check antimatter tuple with maxLsmBTreeTuple.
                maxLsmBTreeTuple.resetByTupleOffset(antimatterBuf.array(), 0);
                // Should only contain keys.
                checkTuple(maxLsmBTreeTuple, numKeyFields, true, fieldSerdes, fields);
                // Resetting maxLsmBTreeTuple should set its field count to
                // maxFieldSerdes.length, based on the its type traits.
                maxLsmBTreeTuple.resetByTupleOffset(maxMatterBuf.array(), 0);
                checkTuple(maxLsmBTreeTuple, maxFieldSerdes.length, false, maxFieldSerdes, maxFields);
            }
        }
    }
}

Example 13 with ITypeTraits

use of org.apache.hyracks.api.dataflow.value.ITypeTraits in project asterixdb by apache.

the class AbstractRTreeExamplesTest method deleteExample.

/**
     * Deletion Example. Create an RTree index of two dimensions, where they
     * keys are of type integer, and the payload is one integer value. Fill
     * index with random values using insertions, then delete entries
     * one-by-one. Repeat procedure a few times on same RTree.
     */
@Test
public void deleteExample() throws Exception {
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("Deletion Example");
    }
    // Declare fields.
    int fieldCount = 5;
    ITypeTraits[] typeTraits = new ITypeTraits[fieldCount];
    typeTraits[0] = IntegerPointable.TYPE_TRAITS;
    typeTraits[1] = IntegerPointable.TYPE_TRAITS;
    typeTraits[2] = IntegerPointable.TYPE_TRAITS;
    typeTraits[3] = IntegerPointable.TYPE_TRAITS;
    typeTraits[4] = IntegerPointable.TYPE_TRAITS;
    // Declare RTree keys.
    int rtreeKeyFieldCount = 4;
    IBinaryComparatorFactory[] rtreeCmpFactories = new IBinaryComparatorFactory[rtreeKeyFieldCount];
    rtreeCmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    rtreeCmpFactories[1] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    rtreeCmpFactories[2] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    rtreeCmpFactories[3] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    // Declare BTree keys, this will only be used for LSMRTree
    int btreeKeyFieldCount;
    IBinaryComparatorFactory[] btreeCmpFactories;
    int[] btreeFields = null;
    if (rTreeType == RTreeType.LSMRTREE) {
        //Parameters look different for LSM RTREE from LSM RTREE WITH ANTI MATTER TUPLES
        btreeKeyFieldCount = 1;
        btreeCmpFactories = new IBinaryComparatorFactory[btreeKeyFieldCount];
        btreeCmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
        btreeFields = new int[btreeKeyFieldCount];
        for (int i = 0; i < btreeKeyFieldCount; i++) {
            btreeFields[i] = rtreeKeyFieldCount + i;
        }
    } else {
        btreeKeyFieldCount = 5;
        btreeCmpFactories = new IBinaryComparatorFactory[btreeKeyFieldCount];
        btreeCmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
        btreeCmpFactories[1] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
        btreeCmpFactories[2] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
        btreeCmpFactories[3] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
        btreeCmpFactories[4] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    }
    // create value providers
    IPrimitiveValueProviderFactory[] valueProviderFactories = RTreeUtils.createPrimitiveValueProviderFactories(rtreeCmpFactories.length, IntegerPointable.FACTORY);
    ITreeIndex treeIndex = createTreeIndex(typeTraits, rtreeCmpFactories, btreeCmpFactories, valueProviderFactories, RTreePolicyType.RTREE, null, btreeFields, null, null, null);
    treeIndex.create();
    treeIndex.activate();
    ArrayTupleBuilder tb = new ArrayTupleBuilder(fieldCount);
    ArrayTupleReference tuple = new ArrayTupleReference();
    IIndexAccessor indexAccessor = treeIndex.createAccessor(NoOpOperationCallback.INSTANCE, NoOpOperationCallback.INSTANCE);
    int runs = 3;
    for (int run = 0; run < runs; run++) {
        if (LOGGER.isLoggable(Level.INFO)) {
            LOGGER.info("Deletion example run: " + (run + 1) + "/" + runs);
            LOGGER.info("Inserting into tree...");
        }
        int numInserts = 10000;
        int[] p1xs = new int[numInserts];
        int[] p1ys = new int[numInserts];
        int[] p2xs = new int[numInserts];
        int[] p2ys = new int[numInserts];
        int[] pks = new int[numInserts];
        int insDone = 0;
        int[] insDoneCmp = new int[numInserts];
        for (int i = 0; i < numInserts; i++) {
            int p1x = rnd.nextInt();
            int p1y = rnd.nextInt();
            int p2x = rnd.nextInt();
            int p2y = rnd.nextInt();
            int pk = 5;
            p1xs[i] = Math.min(p1x, p2x);
            p1ys[i] = Math.min(p1y, p2y);
            p2xs[i] = Math.max(p1x, p2x);
            p2ys[i] = Math.max(p1y, p2y);
            pks[i] = pk;
            TupleUtils.createIntegerTuple(tb, tuple, Math.min(p1x, p2x), Math.min(p1y, p2y), Math.max(p1x, p2x), Math.max(p1y, p2y), pk);
            try {
                indexAccessor.insert(tuple);
            } catch (HyracksDataException e) {
                if (e.getErrorCode() != ErrorCode.DUPLICATE_KEY) {
                    throw e;
                }
            }
            insDoneCmp[i] = insDone;
        }
        if (LOGGER.isLoggable(Level.INFO)) {
            LOGGER.info("Deleting from tree...");
        }
        int delDone = 0;
        for (int i = 0; i < numInserts; i++) {
            TupleUtils.createIntegerTuple(tb, tuple, p1xs[i], p1ys[i], p2xs[i], p2ys[i], pks[i]);
            try {
                indexAccessor.delete(tuple);
                delDone++;
            } catch (HyracksDataException e) {
                if (e.getErrorCode() != ErrorCode.UPDATE_OR_DELETE_NON_EXISTENT_KEY) {
                    throw e;
                }
            }
            if (insDoneCmp[i] != delDone) {
                if (LOGGER.isLoggable(Level.INFO)) {
                    LOGGER.info("INCONSISTENT STATE, ERROR IN DELETION EXAMPLE.");
                    LOGGER.info("INSDONECMP: " + insDoneCmp[i] + " " + delDone);
                }
                break;
            }
        }
        if (insDone != delDone) {
            if (LOGGER.isLoggable(Level.INFO)) {
                LOGGER.info("ERROR! INSDONE: " + insDone + " DELDONE: " + delDone);
            }
            break;
        }
    }
    treeIndex.deactivate();
    treeIndex.destroy();
}

Example 14 with ITypeTraits

use of org.apache.hyracks.api.dataflow.value.ITypeTraits in project asterixdb by apache.

the class AbstractRTreeExamplesTest method rStarTreePageSplitTestExample.

/**
     * This test the r*tree page split. Originally this test didn't pass since
     * the r*tree assumes always that there will be enough space for the new
     * tuple after split. Now it passes since if there is not space in the
     * designated page, then we will just insert it in the other split page.
     */
@Test
public void rStarTreePageSplitTestExample() throws Exception {
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("R*Tree page split test.");
    }
    // Declare fields.
    int fieldCount = 5;
    ITypeTraits[] typeTraits = new ITypeTraits[fieldCount];
    typeTraits[0] = IntegerPointable.TYPE_TRAITS;
    typeTraits[1] = IntegerPointable.TYPE_TRAITS;
    typeTraits[2] = IntegerPointable.TYPE_TRAITS;
    typeTraits[3] = IntegerPointable.TYPE_TRAITS;
    typeTraits[4] = UTF8StringPointable.TYPE_TRAITS;
    // Declare field serdes.
    ISerializerDeserializer[] fieldSerdes = { IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, new UTF8StringSerializerDeserializer() };
    // Declare RTree keys.
    int rtreeKeyFieldCount = 4;
    IBinaryComparatorFactory[] rtreeCmpFactories = new IBinaryComparatorFactory[rtreeKeyFieldCount];
    rtreeCmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    rtreeCmpFactories[1] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    rtreeCmpFactories[2] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    rtreeCmpFactories[3] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    // Declare BTree keys, this will only be used for LSMRTree
    int btreeKeyFieldCount;
    IBinaryComparatorFactory[] btreeCmpFactories;
    int[] btreeFields = null;
    if (rTreeType == RTreeType.LSMRTREE) {
        //Parameters look different for LSM RTREE from LSM RTREE WITH ANTI MATTER TUPLES
        btreeKeyFieldCount = 1;
        btreeCmpFactories = new IBinaryComparatorFactory[btreeKeyFieldCount];
        btreeCmpFactories[0] = PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY);
        btreeFields = new int[btreeKeyFieldCount];
        for (int i = 0; i < btreeKeyFieldCount; i++) {
            btreeFields[i] = rtreeKeyFieldCount + i;
        }
    } else {
        btreeKeyFieldCount = 5;
        btreeCmpFactories = new IBinaryComparatorFactory[btreeKeyFieldCount];
        btreeCmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
        btreeCmpFactories[1] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
        btreeCmpFactories[2] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
        btreeCmpFactories[3] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
        btreeCmpFactories[4] = PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY);
    }
    // create value providers
    IPrimitiveValueProviderFactory[] valueProviderFactories = RTreeUtils.createPrimitiveValueProviderFactories(rtreeCmpFactories.length, IntegerPointable.FACTORY);
    ITreeIndex treeIndex = createTreeIndex(typeTraits, rtreeCmpFactories, btreeCmpFactories, valueProviderFactories, RTreePolicyType.RSTARTREE, null, btreeFields, null, null, null);
    treeIndex.create();
    treeIndex.activate();
    ArrayTupleBuilder tb = new ArrayTupleBuilder(fieldCount);
    ArrayTupleReference tuple = new ArrayTupleReference();
    IIndexAccessor indexAccessor = treeIndex.createAccessor(TestOperationCallback.INSTANCE, TestOperationCallback.INSTANCE);
    int p1x = rnd.nextInt();
    int p1y = rnd.nextInt();
    int p2x = rnd.nextInt();
    int p2y = rnd.nextInt();
    String data = "";
    for (int i = 0; i < 210; i++) {
        data += "X";
    }
    TupleUtils.createTuple(tb, tuple, fieldSerdes, Math.min(p1x, p2x), Math.min(p1y, p2y), Math.max(p1x, p2x), Math.max(p1y, p2y), data);
    indexAccessor.insert(tuple);
    p1x = rnd.nextInt();
    p1y = rnd.nextInt();
    p2x = rnd.nextInt();
    p2y = rnd.nextInt();
    data = "";
    for (int i = 0; i < 210; i++) {
        data += "X";
    }
    TupleUtils.createTuple(tb, tuple, fieldSerdes, Math.min(p1x, p2x), Math.min(p1y, p2y), Math.max(p1x, p2x), Math.max(p1y, p2y), data);
    indexAccessor.insert(tuple);
    p1x = rnd.nextInt();
    p1y = rnd.nextInt();
    p2x = rnd.nextInt();
    p2y = rnd.nextInt();
    data = "XXX";
    TupleUtils.createTuple(tb, tuple, fieldSerdes, Math.min(p1x, p2x), Math.min(p1y, p2y), Math.max(p1x, p2x), Math.max(p1y, p2y), data);
    indexAccessor.insert(tuple);
    p1x = rnd.nextInt();
    p1y = rnd.nextInt();
    p2x = rnd.nextInt();
    p2y = rnd.nextInt();
    data = "XXX";
    TupleUtils.createTuple(tb, tuple, fieldSerdes, Math.min(p1x, p2x), Math.min(p1y, p2y), Math.max(p1x, p2x), Math.max(p1y, p2y), data);
    indexAccessor.insert(tuple);
    p1x = rnd.nextInt();
    p1y = rnd.nextInt();
    p2x = rnd.nextInt();
    p2y = rnd.nextInt();
    data = "";
    for (int i = 0; i < 210; i++) {
        data += "X";
    }
    TupleUtils.createTuple(tb, tuple, fieldSerdes, Math.min(p1x, p2x), Math.min(p1y, p2y), Math.max(p1x, p2x), Math.max(p1y, p2y), data);
    indexAccessor.insert(tuple);
    p1x = rnd.nextInt();
    p1y = rnd.nextInt();
    p2x = rnd.nextInt();
    p2y = rnd.nextInt();
    data = "";
    for (int i = 0; i < 210; i++) {
        data += "X";
    }
    TupleUtils.createTuple(tb, tuple, fieldSerdes, Math.min(p1x, p2x), Math.min(p1y, p2y), Math.max(p1x, p2x), Math.max(p1y, p2y), data);
    indexAccessor.insert(tuple);
    treeIndex.deactivate();
    treeIndex.destroy();
}

Example 15 with ITypeTraits

use of org.apache.hyracks.api.dataflow.value.ITypeTraits in project asterixdb by apache.

the class AbstractRTreeMultiThreadTest method runTest.

protected void runTest(ISerializerDeserializer[] fieldSerdes, IPrimitiveValueProviderFactory[] valueProviderFactories, int numKeys, RTreePolicyType rtreePolicyType, int numThreads, TestWorkloadConf conf, String dataMsg) throws HyracksDataException, InterruptedException {
    setUp();
    if (LOGGER.isLoggable(Level.INFO)) {
        String indexTypeName = getIndexTypeName();
        LOGGER.info(indexTypeName + " MultiThread Test:\nData: " + dataMsg + "; Threads: " + numThreads + "; Workload: " + conf.toString() + ".");
    }
    ITypeTraits[] typeTraits = SerdeUtils.serdesToTypeTraits(fieldSerdes);
    IBinaryComparatorFactory[] rtreeCmpFactories = SerdeUtils.serdesToComparatorFactories(fieldSerdes, numKeys);
    int[] btreeFields = null;
    IBinaryComparatorFactory[] btreeCmpFactories;
    if (rTreeType == RTreeType.LSMRTREE) {
        int numBtreeFields = fieldSerdes.length - numKeys;
        ISerializerDeserializer[] btreeFieldSerdes = new ISerializerDeserializer[numBtreeFields];
        btreeFields = new int[numBtreeFields];
        for (int i = 0; i < numBtreeFields; i++) {
            btreeFields[i] = numKeys + i;
            btreeFieldSerdes[i] = fieldSerdes[numKeys + i];
        }
        btreeCmpFactories = SerdeUtils.serdesToComparatorFactories(btreeFieldSerdes, numBtreeFields);
    } else {
        btreeCmpFactories = SerdeUtils.serdesToComparatorFactories(fieldSerdes, fieldSerdes.length);
    }
    ITreeIndex index = createTreeIndex(typeTraits, rtreeCmpFactories, btreeCmpFactories, valueProviderFactories, rtreePolicyType, btreeFields);
    IIndexTestWorkerFactory workerFactory = getWorkerFactory();
    // 4 batches per thread.
    int batchSize = (NUM_OPERATIONS / numThreads) / 4;
    IndexMultiThreadTestDriver driver = new IndexMultiThreadTestDriver(index, workerFactory, fieldSerdes, conf.ops, conf.opProbs);
    driver.init();
    long[] times = driver.run(numThreads, 1, NUM_OPERATIONS, batchSize);
    driver.deinit();
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("RTree MultiThread Test Time: " + times[0] + "ms");
    }
    tearDown();
}