Examples with TableKey io.pravega.client.tables.TableKey used on opensource projects

Example 1 with TableKey

use of io.pravega.client.tables.TableKey in project pravega by pravega.

the class KeyValueTableTestBase method testSingleKeyUnconditionalRemovals.

/**
 * Tests the ability to perform single-key updates and removals (conditional and unconditional). These methods are exercised:
 * - {@link KeyValueTable#update} with {@link Put} instances and with {@link Remove} instances.
 * - {@link KeyValueTable#get} and {@link KeyValueTable#getAll}
 */
@Test
public void testSingleKeyUnconditionalRemovals() {
    val versions = new Versions();
    @Cleanup val kvt = createKeyValueTable();
    // Put (unconditional update).
    val iteration = new AtomicInteger(0);
    forEveryKey((pk, sk) -> {
        val value = getValue(pk, sk, iteration.get());
        Version kv = kvt.update(new Put(new TableKey(pk, sk), value)).join();
        versions.add(getUniqueKeyId(pk, sk), kv);
    });
    // Remove (both conditional and unconditional)
    iteration.incrementAndGet();
    forEveryKey((pk, sk) -> {
        val keyId = getUniqueKeyId(pk, sk);
        val existingVersion = versions.get(keyId);
        // Verify that conditions are checked both for segment names and their versions.
        val pkValue = Math.abs(PK_SERIALIZER.deserialize(pk));
        boolean conditional = pkValue % 2 == 0;
        if (conditional) {
            // First check that a bad version will be checked.
            Version badVersion = alterVersion(existingVersion, pkValue % 4 == 0, pkValue % 4 != 0);
            AssertExtensions.assertSuppliedFutureThrows("update(Remove) did not throw for bad version.", () -> kvt.update(new Remove(new TableKey(pk, sk), badVersion)), ex -> ex instanceof BadKeyVersionException);
            // Remove it.
            kvt.update(new Remove(new TableKey(pk, sk), existingVersion)).join();
        } else {
            kvt.update(new Remove(new TableKey(pk, sk))).join();
        }
        versions.remove(keyId);
    });
    Assert.assertTrue("Expected all keys to have been removed.", versions.isEmpty());
    checkValues(iteration.get(), versions, kvt);
    // Re-insert (conditionally).
    iteration.incrementAndGet();
    forEveryKey((pk, sk) -> {
        val value = getValue(pk, sk, iteration.get());
        // First one should work.
        Version kv = kvt.update(new Insert(new TableKey(pk, sk), value)).join();
        versions.add(getUniqueKeyId(pk, sk), kv);
    });
    checkValues(iteration.get(), versions, kvt);
}

Example 2 with TableKey

use of io.pravega.client.tables.TableKey in project pravega by pravega.

the class KeyValueTableIteratorImplTests method testPeekingIterator.

/**
 * Tests the {@link KeyValueTableIteratorImpl.PeekingIterator} class.
 */
@Test
public void testPeekingIterator() {
    val items = Arrays.asList(IntStream.range(0, 10).boxed().collect(Collectors.toList()), IntStream.range(10, 11).boxed().collect(Collectors.toList()), IntStream.range(11, 20).boxed().collect(Collectors.toList()));
    val sourceIterator = createAsyncIterator(items);
    Function<Integer, TableKey> toKey = i -> new TableKey(ByteBuffer.allocate(Integer.BYTES).putInt(0, i));
    // Collect items via the flattened iterator.
    val fi = new KeyValueTableIteratorImpl.PeekingIterator<>(sourceIterator, toKey);
    val actualItems = new ArrayList<Integer>();
    fi.advance().join();
    while (fi.hasNext()) {
        actualItems.add(fi.getCurrent().getItem());
        val expectedKey = toKey.apply(fi.getCurrent().getItem());
        Assert.assertEquals(expectedKey, fi.getCurrent().getKey());
        fi.advance().join();
    }
    Assert.assertNull(fi.getCurrent());
    // Compare against expected items (which we get by flattening the provided input ourselves).
    val expectedItems = items.stream().flatMap(List::stream).collect(Collectors.toList());
    AssertExtensions.assertListEquals("", expectedItems, actualItems, Integer::equals);
}

Example 3 with TableKey

use of io.pravega.client.tables.TableKey in project pravega by pravega.

the class KeyValueTableTestBase method testLargeBatchUpdates.

/**
 * Verifies that overflowing a single {@link TableSegment} limits are rejected. No batch updates, removals or retrievals
 * may exceed the {@link TableSegment#MAXIMUM_BATCH_KEY_COUNT} or {@link TableSegment#MAXIMUM_BATCH_LENGTH} limits.
 */
@Test
public void testLargeBatchUpdates() {
    val rnd = new Random(0);
    @Cleanup val kvt = createKeyValueTable();
    // Exceeding by batch count.
    val keys = IntStream.range(0, TableSegment.MAXIMUM_BATCH_KEY_COUNT + 1).mapToObj(i -> new TableKey(ByteBuffer.allocate(getPrimaryKeyLength()).putLong(i), ByteBuffer.allocate(getSecondaryKeyLength()).putInt(i))).collect(Collectors.toList());
    val getBatchCountExceeded = keys.stream().map(k -> new TableKey(k.getPrimaryKey().duplicate(), k.getSecondaryKey().duplicate())).collect(Collectors.toList());
    AssertExtensions.assertSuppliedFutureThrows("Get batch exceeded max count.", () -> kvt.getAll(getBatchCountExceeded), ex -> ex instanceof IllegalArgumentException);
    List<TableModification> putBatchCountExceeded = keys.stream().map(a -> new Put(new TableKey(a.getPrimaryKey().duplicate(), a.getSecondaryKey().duplicate()), a.getSecondaryKey().duplicate())).collect(Collectors.toList());
    AssertExtensions.assertSuppliedFutureThrows("Update batch exceeded max count.", () -> kvt.update(putBatchCountExceeded), ex -> ex instanceof IllegalArgumentException);
    List<TableModification> removeBatchCountExceeded = keys.stream().map(k -> new Remove(new TableKey(k.getPrimaryKey().duplicate(), k.getSecondaryKey().duplicate()))).collect(Collectors.toList());
    AssertExtensions.assertSuppliedFutureThrows("Remove batch exceeded max count.", () -> kvt.update(removeBatchCountExceeded), ex -> ex instanceof IllegalArgumentException);
    // Exceed by serialization size.
    // It is impossible to exceed the serialization size for retrievals or removals (due to the max key constraint),
    // so the only request we can verify is the update one.
    val limitValue = new byte[KeyValueTable.MAXIMUM_VALUE_LENGTH];
    rnd.nextBytes(limitValue);
    val putBatchSizeExceeded = new ArrayList<TableModification>();
    int estimatedSize = 0;
    while (estimatedSize < TableSegment.MAXIMUM_BATCH_LENGTH) {
        val pk = new byte[getPrimaryKeyLength()];
        val sk = new byte[getSecondaryKeyLength()];
        rnd.nextBytes(pk);
        rnd.nextBytes(sk);
        val e = new Put(new TableKey(ByteBuffer.wrap(pk), ByteBuffer.wrap(sk)), ByteBuffer.wrap(limitValue));
        putBatchSizeExceeded.add(e);
        estimatedSize += pk.length + sk.length + limitValue.length;
    }
    AssertExtensions.assertSuppliedFutureThrows("Put batch exceeded max size.", () -> kvt.update(putBatchSizeExceeded), ex -> ex instanceof IllegalArgumentException);
}

Example 4 with TableKey

use of io.pravega.client.tables.TableKey in project pravega by pravega.

the class KeyValueTableTestBase method testIllegalEntrySizes.

/**
 * Verifies that {@link TableEntry} or {@link TableKey} instances that have invalid key/value lengths are rejected.
 */
@Test
public void testIllegalEntrySizes() {
    val rnd = new Random(0);
    val limitPK = ByteBuffer.wrap(new byte[getPrimaryKeyLength()]);
    val shortPK = ByteBuffer.allocate(getPrimaryKeyLength() - 1);
    val longPK = ByteBuffer.allocate(getPrimaryKeyLength() + 1);
    val limitSK = ByteBuffer.wrap(new byte[getSecondaryKeyLength()]);
    val longSK = ByteBuffer.allocate(getSecondaryKeyLength() + 1);
    val limitValue = ByteBuffer.wrap(new byte[KeyValueTable.MAXIMUM_VALUE_LENGTH]);
    rnd.nextBytes(limitPK.array());
    rnd.nextBytes(limitSK.array());
    rnd.nextBytes(limitValue.array());
    @Cleanup val kvt = createKeyValueTable();
    kvt.update(new Insert(new TableKey(limitPK.duplicate(), limitSK.duplicate()), limitValue.duplicate())).join();
    val resultValue = kvt.get(new TableKey(limitPK.duplicate(), limitSK.duplicate())).join().getValue();
    Assert.assertEquals("Unexpected value returned.", limitValue.duplicate(), resultValue.duplicate());
    // Wrong Key Length
    AssertExtensions.assertSuppliedFutureThrows("Expected a rejection of a PK that is too long.", () -> kvt.update(new Put(new TableKey(longPK.duplicate(), limitSK.duplicate()), limitValue.duplicate())), ex -> ex instanceof IllegalArgumentException);
    AssertExtensions.assertSuppliedFutureThrows("Expected a rejection of a PK that is too long.", () -> kvt.update(new Remove(new TableKey(longPK.duplicate(), limitSK.duplicate()))), ex -> ex instanceof IllegalArgumentException);
    AssertExtensions.assertSuppliedFutureThrows("Expected a rejection of a PK that is too short.", () -> kvt.update(new Put(new TableKey(shortPK.duplicate(), limitSK.duplicate()), limitValue.duplicate())), ex -> ex instanceof IllegalArgumentException);
    AssertExtensions.assertSuppliedFutureThrows("Expected a rejection of a PK that is too short.", () -> kvt.update(new Remove(new TableKey(shortPK.duplicate(), limitSK.duplicate()))), ex -> ex instanceof IllegalArgumentException);
    AssertExtensions.assertSuppliedFutureThrows("Expected a rejection of a SK that is too long.", () -> kvt.update(new Put(new TableKey(limitPK.duplicate(), longSK.duplicate()), limitValue.duplicate())), ex -> ex instanceof IllegalArgumentException);
    AssertExtensions.assertSuppliedFutureThrows("Expected a rejection of a SK that is too long.", () -> kvt.update(new Remove(new TableKey(limitPK.duplicate(), longSK.duplicate()))), ex -> ex instanceof IllegalArgumentException);
    if (getSecondaryKeyLength() > 0) {
        val shortSK = ByteBuffer.allocate(getSecondaryKeyLength() - 1);
        AssertExtensions.assertSuppliedFutureThrows("Expected a rejection of a SK that is too short.", () -> kvt.update(new Put(new TableKey(limitPK.duplicate(), shortSK.duplicate()), limitValue.duplicate())), ex -> ex instanceof IllegalArgumentException);
        AssertExtensions.assertSuppliedFutureThrows("Expected a rejection of a SK that is too short.", () -> kvt.update(new Remove(new TableKey(limitPK.duplicate(), shortSK.duplicate()))), ex -> ex instanceof IllegalArgumentException);
    }
    // Max Value Length exceeded.
    AssertExtensions.assertSuppliedFutureThrows("Expected a rejection of a value that is too long.", () -> kvt.update(new Put(new TableKey(limitPK.duplicate(), limitSK.duplicate()), ByteBuffer.allocate(KeyValueTable.MAXIMUM_VALUE_LENGTH + 1))), ex -> ex instanceof IllegalArgumentException);
}

Example 5 with TableKey

use of io.pravega.client.tables.TableKey in project pravega by pravega.

the class KeyValueTableTestBase method testMultiKeyOperations.

/**
 * Tests the ability to perform multi-key updates, replacements and removals. These methods should be exercised:
 * - {@link KeyValueTable#update(Iterable)} with {@link Insert} and {@link Put} instances.
 * - {@link KeyValueTable#update(Iterable)} with {@link Remove}.
 * - {@link KeyValueTable#getAll}
 */
@Test
public void testMultiKeyOperations() {
    val versions = new Versions();
    @Cleanup val kvt = createKeyValueTable();
    // Conditional Insert.
    val iteration = new AtomicInteger(0);
    forEveryPrimaryKey((pk, secondaryKeys) -> {
        List<TableModification> inserts = secondaryKeys.stream().map(sk -> new Insert(new TableKey(pk, sk), getValue(pk, sk, iteration.get()))).collect(Collectors.toList());
        val keyVersions = kvt.update(inserts).join();
        val hint = getUniqueKeyId(pk);
        Assert.assertEquals("Unexpected result size" + hint, inserts.size(), keyVersions.size());
        for (int i = 0; i < inserts.size(); i++) {
            versions.add(getUniqueKeyId(pk, inserts.get(i).getKey().getSecondaryKey()), keyVersions.get(i));
        }
    });
    checkValues(iteration.get(), versions, kvt);
    // Unconditional update.
    iteration.incrementAndGet();
    forEveryPrimaryKey((pk, secondaryKeys) -> {
        List<TableModification> puts = secondaryKeys.stream().map(sk -> new Put(new TableKey(pk, sk), getValue(pk, sk, iteration.get()))).collect(Collectors.toList());
        val keyVersions = kvt.update(puts).join();
        val hint = getUniqueKeyId(pk);
        Assert.assertEquals("Unexpected result size" + hint, puts.size(), keyVersions.size());
        for (int i = 0; i < puts.size(); i++) {
            versions.add(getUniqueKeyId(pk, puts.get(i).getKey().getSecondaryKey()), keyVersions.get(i));
        }
    });
    checkValues(iteration.get(), versions, kvt);
    // Conditional replace.
    iteration.incrementAndGet();
    forEveryPrimaryKey((pk, secondaryKeys) -> {
        // Failed update (bad version).
        val pkValue = Math.abs(PK_SERIALIZER.deserialize(pk));
        List<TableModification> badPuts = secondaryKeys.stream().map(sk -> new Put(new TableKey(pk, sk), getValue(pk, sk, iteration.get()), alterVersion(versions.get(getUniqueKeyId(pk, sk)), pkValue % 2 == 0, pkValue % 2 == 1))).collect(Collectors.toList());
        AssertExtensions.assertSuppliedFutureThrows("update(Put) did not throw for bad version.", () -> kvt.update(badPuts), ex -> ex instanceof BadKeyVersionException);
        // Correct update.
        List<TableModification> puts = secondaryKeys.stream().map(sk -> new Put(new TableKey(pk, sk), getValue(pk, sk, iteration.get()), versions.get(getUniqueKeyId(pk, sk)))).collect(Collectors.toList());
        val keyVersions = kvt.update(puts).join();
        val hint = getUniqueKeyId(pk);
        Assert.assertEquals("Unexpected result size" + hint, puts.size(), keyVersions.size());
        for (int i = 0; i < puts.size(); i++) {
            versions.add(getUniqueKeyId(pk, puts.get(i).getKey().getSecondaryKey()), keyVersions.get(i));
        }
    });
    checkValues(iteration.get(), versions, kvt);
    // Conditional removal.
    iteration.incrementAndGet();
    forEveryPrimaryKey((pk, secondaryKeys) -> {
        val hint = getUniqueKeyId(pk);
        // Failed update (bad version).
        val pkValue = Math.abs(PK_SERIALIZER.deserialize(pk));
        List<TableModification> badRemovals = secondaryKeys.stream().map(sk -> new Remove(new TableKey(pk, sk), alterVersion(versions.get(getUniqueKeyId(pk, sk)), pkValue % 2 == 0, pkValue % 2 == 1))).collect(Collectors.toList());
        AssertExtensions.assertSuppliedFutureThrows("update(Remove) did not throw for bad version." + hint, () -> kvt.update(badRemovals), ex -> ex instanceof BadKeyVersionException);
        // Correct update.
        List<TableModification> removals = secondaryKeys.stream().map(sk -> new Remove(new TableKey(pk, sk), versions.get(getUniqueKeyId(pk, sk)))).collect(Collectors.toList());
        kvt.update(removals).join();
        for (val sk : secondaryKeys) {
            versions.remove(getUniqueKeyId(pk, sk));
        }
    });
    Assert.assertTrue("Expected all keys to have been removed.", versions.isEmpty());
    checkValues(iteration.get(), versions, kvt);
    // Reinsert (conditionally)
    iteration.incrementAndGet();
    forEveryPrimaryKey((pk, secondaryKeys) -> {
        val hint = getUniqueKeyId(pk);
        List<TableModification> entries = secondaryKeys.stream().map(sk -> new Insert(new TableKey(pk, sk), getValue(pk, sk, iteration.get()))).collect(Collectors.toList());
        val keyVersions = kvt.update(entries).join();
        Assert.assertEquals("Unexpected result size" + hint, entries.size(), keyVersions.size());
        for (int i = 0; i < entries.size(); i++) {
            versions.add(getUniqueKeyId(pk, entries.get(i).getKey().getSecondaryKey()), keyVersions.get(i));
        }
    });
    checkValues(iteration.get(), versions, kvt);
}