Examples with BTreeNSMLeafFrameFactory org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory used on opensource projects

Example 1 with BTreeNSMLeafFrameFactory

use of org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory in project asterixdb by apache.

the class BTreeSearchCursorTest method nonUniqueIndexTest.

@Test
public void nonUniqueIndexTest() throws Exception {
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("TESTING RANGE SEARCH CURSOR ON NONUNIQUE INDEX");
    }
    IBufferCache bufferCache = harness.getBufferCache();
    // declare keys
    int keyFieldCount = 2;
    IBinaryComparatorFactory[] cmpFactories = new IBinaryComparatorFactory[keyFieldCount];
    cmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    cmpFactories[1] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    ITreeIndexFrameFactory leafFrameFactory = new BTreeNSMLeafFrameFactory(tupleWriterFactory);
    ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(tupleWriterFactory);
    IBTreeLeafFrame leafFrame = (IBTreeLeafFrame) leafFrameFactory.createFrame();
    IBTreeInteriorFrame interiorFrame = (IBTreeInteriorFrame) interiorFrameFactory.createFrame();
    IMetadataPageManager freePageManager = new LinkedMetaDataPageManager(bufferCache, metaFrameFactory);
    BTree btree = new BTree(bufferCache, harness.getFileMapProvider(), freePageManager, interiorFrameFactory, leafFrameFactory, cmpFactories, fieldCount, harness.getFileReference());
    btree.create();
    btree.activate();
    ArrayTupleBuilder tupleBuilder = new ArrayTupleBuilder(fieldCount);
    ArrayTupleReference tuple = new ArrayTupleReference();
    ITreeIndexAccessor indexAccessor = btree.createAccessor(TestOperationCallback.INSTANCE, TestOperationCallback.INSTANCE);
    // generate keys
    int numKeys = 50;
    int maxKey = 10;
    ArrayList<Integer> keys = new ArrayList<>();
    for (int i = 0; i < numKeys; i++) {
        int k = rnd.nextInt() % maxKey;
        keys.add(k);
    }
    Collections.sort(keys);
    // insert keys into btree
    for (int i = 0; i < keys.size(); i++) {
        TupleUtils.createIntegerTuple(tupleBuilder, tuple, keys.get(i), i);
        tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
        try {
            indexAccessor.insert(tuple);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    int minSearchKey = -100;
    int maxSearchKey = 100;
    // forward searches
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, true, true, false));
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, false, true, false));
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, true, false, false));
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, true, true, false));
    btree.deactivate();
    btree.destroy();
}

Example 2 with BTreeNSMLeafFrameFactory

use of org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory in project asterixdb by apache.

the class InMemoryBTreeRunner method init.

protected void init(int pageSize, int numPages, ITypeTraits[] typeTraits, IBinaryComparatorFactory[] cmpFactories) throws HyracksDataException {
    bufferCache = new VirtualBufferCache(new HeapBufferAllocator(), pageSize, numPages);
    TypeAwareTupleWriterFactory tupleWriterFactory = new TypeAwareTupleWriterFactory(typeTraits);
    ITreeIndexFrameFactory leafFrameFactory = new BTreeNSMLeafFrameFactory(tupleWriterFactory);
    ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(tupleWriterFactory);
    IPageManager freePageManager = new VirtualFreePageManager(bufferCache);
    btree = new BTree(bufferCache, new TransientFileMapManager(), freePageManager, interiorFrameFactory, leafFrameFactory, cmpFactories, typeTraits.length, file);
}

Example 3 with BTreeNSMLeafFrameFactory

use of org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory in project asterixdb by apache.

the class BTreeSearchCursorTest method uniqueIndexTest.

@Test
public void uniqueIndexTest() throws Exception {
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("TESTING RANGE SEARCH CURSOR ON UNIQUE INDEX");
    }
    IBufferCache bufferCache = harness.getBufferCache();
    // declare keys
    int keyFieldCount = 1;
    IBinaryComparatorFactory[] cmpFactories = new IBinaryComparatorFactory[keyFieldCount];
    cmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    ITreeIndexFrameFactory leafFrameFactory = new BTreeNSMLeafFrameFactory(tupleWriterFactory);
    ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(tupleWriterFactory);
    IBTreeLeafFrame leafFrame = (IBTreeLeafFrame) leafFrameFactory.createFrame();
    IBTreeInteriorFrame interiorFrame = (IBTreeInteriorFrame) interiorFrameFactory.createFrame();
    IMetadataPageManager freePageManager = new LinkedMetaDataPageManager(bufferCache, metaFrameFactory);
    BTree btree = new BTree(bufferCache, harness.getFileMapProvider(), freePageManager, interiorFrameFactory, leafFrameFactory, cmpFactories, fieldCount, harness.getFileReference());
    btree.create();
    btree.activate();
    ArrayTupleBuilder tupleBuilder = new ArrayTupleBuilder(fieldCount);
    ArrayTupleReference tuple = new ArrayTupleReference();
    ITreeIndexAccessor indexAccessor = btree.createAccessor(TestOperationCallback.INSTANCE, TestOperationCallback.INSTANCE);
    // generate keys
    int numKeys = 50;
    int maxKey = 1000;
    TreeSet<Integer> uniqueKeys = new TreeSet<>();
    ArrayList<Integer> keys = new ArrayList<>();
    while (uniqueKeys.size() < numKeys) {
        int key = rnd.nextInt() % maxKey;
        uniqueKeys.add(key);
    }
    for (Integer i : uniqueKeys) {
        keys.add(i);
    }
    // insert keys into btree
    for (int i = 0; i < keys.size(); i++) {
        TupleUtils.createIntegerTuple(tupleBuilder, tuple, keys.get(i), i);
        tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
        try {
            indexAccessor.insert(tuple);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    int minSearchKey = -100;
    int maxSearchKey = 100;
    // forward searches
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, true, true, false));
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, false, true, false));
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, true, false, false));
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, true, true, false));
    btree.deactivate();
    btree.destroy();
}

Example 4 with BTreeNSMLeafFrameFactory

use of org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory in project asterixdb by apache.

the class LSMBTreeUtil method createExternalBTree.

public static ExternalBTree createExternalBTree(IIOManager ioManager, FileReference file, IBufferCache diskBufferCache, IFileMapProvider diskFileMapProvider, ITypeTraits[] typeTraits, IBinaryComparatorFactory[] cmpFactories, int[] bloomFilterKeyFields, double bloomFilterFalsePositiveRate, ILSMMergePolicy mergePolicy, ILSMOperationTracker opTracker, ILSMIOOperationScheduler ioScheduler, ILSMIOOperationCallback ioOpCallback, boolean durable, IMetadataPageManagerFactory freePageManagerFactory) {
    LSMBTreeTupleWriterFactory insertTupleWriterFactory = new LSMBTreeTupleWriterFactory(typeTraits, cmpFactories.length, false);
    LSMBTreeTupleWriterFactory deleteTupleWriterFactory = new LSMBTreeTupleWriterFactory(typeTraits, cmpFactories.length, true);
    LSMBTreeCopyTupleWriterFactory copyTupleWriterFactory = new LSMBTreeCopyTupleWriterFactory(typeTraits, cmpFactories.length);
    ITreeIndexFrameFactory insertLeafFrameFactory = new BTreeNSMLeafFrameFactory(insertTupleWriterFactory);
    ITreeIndexFrameFactory copyTupleLeafFrameFactory = new BTreeNSMLeafFrameFactory(copyTupleWriterFactory);
    ITreeIndexFrameFactory deleteLeafFrameFactory = new BTreeNSMLeafFrameFactory(deleteTupleWriterFactory);
    ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(insertTupleWriterFactory);
    // This is the tuple writer that can do both inserts and deletes
    LSMBTreeTupleWriterFactory transactionTupleWriterFactory = new LSMBTreeTupleWriterFactory(typeTraits, cmpFactories.length, false);
    // This is the leaf frame factory for transaction components since it
    // can be used for both inserts and deletes
    ITreeIndexFrameFactory transactionLeafFrameFactory = new BTreeNSMLeafFrameFactory(transactionTupleWriterFactory);
    TreeIndexFactory<BTree> diskBTreeFactory = new BTreeFactory(ioManager, diskBufferCache, diskFileMapProvider, freePageManagerFactory, interiorFrameFactory, copyTupleLeafFrameFactory, cmpFactories, typeTraits.length);
    TreeIndexFactory<BTree> bulkLoadBTreeFactory = new BTreeFactory(ioManager, diskBufferCache, diskFileMapProvider, freePageManagerFactory, interiorFrameFactory, insertLeafFrameFactory, cmpFactories, typeTraits.length);
    BloomFilterFactory bloomFilterFactory = new BloomFilterFactory(diskBufferCache, diskFileMapProvider, bloomFilterKeyFields);
    // This is the component factory for transactions
    TreeIndexFactory<BTree> transactionBTreeFactory = new BTreeFactory(ioManager, diskBufferCache, diskFileMapProvider, freePageManagerFactory, interiorFrameFactory, transactionLeafFrameFactory, cmpFactories, typeTraits.length);
    //TODO remove BloomFilter from external dataset's secondary LSMBTree index
    ILSMIndexFileManager fileNameManager = new LSMBTreeFileManager(ioManager, diskFileMapProvider, file, diskBTreeFactory, true);
    // the disk only index uses an empty ArrayList for virtual buffer caches
    ExternalBTree lsmTree = new ExternalBTree(ioManager, interiorFrameFactory, insertLeafFrameFactory, deleteLeafFrameFactory, fileNameManager, diskBTreeFactory, bulkLoadBTreeFactory, bloomFilterFactory, bloomFilterFalsePositiveRate, diskFileMapProvider, typeTraits.length, cmpFactories, mergePolicy, opTracker, ioScheduler, ioOpCallback, transactionBTreeFactory, durable);
    return lsmTree;
}

Example 5 with BTreeNSMLeafFrameFactory

use of org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory in project asterixdb by apache.

the class LSMBTreeUtil method createExternalBTreeWithBuddy.

public static ExternalBTreeWithBuddy createExternalBTreeWithBuddy(IIOManager ioManager, FileReference file, IBufferCache diskBufferCache, IFileMapProvider diskFileMapProvider, ITypeTraits[] typeTraits, IBinaryComparatorFactory[] cmpFactories, double bloomFilterFalsePositiveRate, ILSMMergePolicy mergePolicy, ILSMOperationTracker opTracker, ILSMIOOperationScheduler ioScheduler, ILSMIOOperationCallback ioOpCallback, int[] buddyBTreeFields, boolean durable, IMetadataPageManagerFactory freePageManagerFactory) {
    ITypeTraits[] buddyBtreeTypeTraits = new ITypeTraits[buddyBTreeFields.length];
    IBinaryComparatorFactory[] buddyBtreeCmpFactories = new IBinaryComparatorFactory[buddyBTreeFields.length];
    for (int i = 0; i < buddyBtreeTypeTraits.length; i++) {
        buddyBtreeTypeTraits[i] = typeTraits[buddyBTreeFields[i]];
        buddyBtreeCmpFactories[i] = cmpFactories[buddyBTreeFields[i]];
    }
    TypeAwareTupleWriterFactory buddyBtreeTupleWriterFactory = new TypeAwareTupleWriterFactory(buddyBtreeTypeTraits);
    ITreeIndexFrameFactory buddyBtreeInteriorFrameFactory = new BTreeNSMInteriorFrameFactory(buddyBtreeTupleWriterFactory);
    ITreeIndexFrameFactory buddyBtreeLeafFrameFactory = new BTreeNSMLeafFrameFactory(buddyBtreeTupleWriterFactory);
    LSMBTreeTupleWriterFactory insertTupleWriterFactory = new LSMBTreeTupleWriterFactory(typeTraits, cmpFactories.length, false);
    LSMBTreeCopyTupleWriterFactory copyTupleWriterFactory = new LSMBTreeCopyTupleWriterFactory(typeTraits, cmpFactories.length);
    ITreeIndexFrameFactory insertLeafFrameFactory = new BTreeNSMLeafFrameFactory(insertTupleWriterFactory);
    ITreeIndexFrameFactory copyTupleLeafFrameFactory = new BTreeNSMLeafFrameFactory(copyTupleWriterFactory);
    ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(insertTupleWriterFactory);
    TreeIndexFactory<BTree> diskBTreeFactory = new BTreeFactory(ioManager, diskBufferCache, diskFileMapProvider, freePageManagerFactory, interiorFrameFactory, copyTupleLeafFrameFactory, cmpFactories, typeTraits.length);
    TreeIndexFactory<BTree> bulkLoadBTreeFactory = new BTreeFactory(ioManager, diskBufferCache, diskFileMapProvider, freePageManagerFactory, interiorFrameFactory, insertLeafFrameFactory, cmpFactories, typeTraits.length);
    int[] bloomFilterKeyFields = new int[buddyBtreeCmpFactories.length];
    for (int i = 0; i < buddyBtreeCmpFactories.length; i++) {
        bloomFilterKeyFields[i] = i;
    }
    BloomFilterFactory bloomFilterFactory = new BloomFilterFactory(diskBufferCache, diskFileMapProvider, bloomFilterKeyFields);
    // buddy b-tree factory
    TreeIndexFactory<BTree> diskBuddyBTreeFactory = new BTreeFactory(ioManager, diskBufferCache, diskFileMapProvider, freePageManagerFactory, buddyBtreeInteriorFrameFactory, buddyBtreeLeafFrameFactory, buddyBtreeCmpFactories, buddyBtreeTypeTraits.length);
    ILSMIndexFileManager fileNameManager = new LSMBTreeWithBuddyFileManager(ioManager, diskFileMapProvider, file, diskBTreeFactory, diskBuddyBTreeFactory);
    // the disk only index uses an empty ArrayList for virtual buffer caches
    ExternalBTreeWithBuddy lsmTree = new ExternalBTreeWithBuddy(ioManager, interiorFrameFactory, insertLeafFrameFactory, buddyBtreeLeafFrameFactory, diskBufferCache, fileNameManager, bulkLoadBTreeFactory, diskBTreeFactory, diskBuddyBTreeFactory, bloomFilterFactory, diskFileMapProvider, bloomFilterFalsePositiveRate, mergePolicy, opTracker, ioScheduler, ioOpCallback, cmpFactories, buddyBtreeCmpFactories, buddyBTreeFields, durable);
    return lsmTree;
}