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

Example 6 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 7 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);
}

Example 8 with TableKey

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

the class KeyValueTableTestBase method checkPrimaryKeyIterator.

private void checkPrimaryKeyIterator(KeyValueTable keyValueTable, Versions versions, int iteration) {
    val itemsAtOnce = getSecondaryKeyCount() / 5;
    forEveryPrimaryKey((pk, secondaryKeys) -> {
        // Get all Table Keys and sort them.
        val allKeys = secondaryKeys.stream().map(sk -> new TableKey(pk, sk)).sorted(KEY_COMPARATOR).collect(Collectors.toList());
        val allEntries = allKeys.stream().map(k -> new TableEntry(k, versions.get(getUniqueKeyId(k.getPrimaryKey(), k.getSecondaryKey())), getValue(k.getPrimaryKey(), k.getSecondaryKey(), iteration))).collect(Collectors.toList());
        // Issue various iterators (range) and verify against expected values.
        for (int startIndex = 0; startIndex < allKeys.size() / 2; startIndex++) {
            val endIndex = allKeys.size() - startIndex;
            val expectedKeys = allKeys.subList(startIndex, endIndex);
            val iterator = keyValueTable.iterator().maxIterationSize(itemsAtOnce).forPrimaryKey(pk, expectedKeys.get(0).getSecondaryKey(), expectedKeys.get(expectedKeys.size() - 1).getSecondaryKey());
            val iteratorKeys = new ArrayList<TableKey>();
            iterator.keys().collectRemaining(ii -> iteratorKeys.addAll(ii.getItems())).join();
            AssertExtensions.assertListEquals("Unexpected keys returned from iterator.keys()", expectedKeys, iteratorKeys, this::areEqual);
            val expectedEntries = allEntries.subList(startIndex, endIndex);
            val iteratorEntries = new ArrayList<TableEntry>();
            iterator.entries().collectRemaining(ii -> iteratorEntries.addAll(ii.getItems())).join();
            AssertExtensions.assertListEquals("Unexpected entries returned from iterator.entries()", expectedEntries, iteratorEntries, (e1, e2) -> areEqual(e1, e2) && e1.getVersion().equals(e2.getVersion()));
        }
    });
}

Example 9 with TableKey

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

the class KeyValueTableTestBase method testSingleKeyConditionalInserts.

/**
 * Tests the ability to perform single-key conditional insertions. These methods are exercised:
 * - {@link KeyValueTable#update} with {@link Insert} instances.
 * - {@link KeyValueTable#get} and {@link KeyValueTable#getAll}.
 */
@Test
public void testSingleKeyConditionalInserts() {
    val versions = new Versions();
    @Cleanup val kvt = createKeyValueTable();
    // Put (conditional insert)
    val iteration = new AtomicInteger(0);
    forEveryKey((pk, sk) -> {
        val value = getValue(pk, sk, iteration.get());
        // First one should work.
        val insert = new Insert(new TableKey(pk, sk), value);
        Version kv = kvt.update(insert).join();
        versions.add(getUniqueKeyId(pk, sk), kv);
        // Second one should throw.
        AssertExtensions.assertSuppliedFutureThrows("insert() did not throw for already existing key.", () -> kvt.update(insert), ex -> ex instanceof BadKeyVersionException);
    });
    checkValues(iteration.get(), versions, kvt);
}

Example 10 with TableKey

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

the class KeyValueTableTestBase method checkValues.

private void checkValues(int iteration, Map<ByteBuffer, Version> keyVersions, KeyValueTable kvt) {
    // Using single get.
    for (val k : keyVersions.entrySet()) {
        val expectedValue = k.getValue() == null ? null : new TableEntry(new TableKey(k.getKey()), k.getValue(), getValue(k.getKey(), iteration));
        val actualEntry = kvt.get(new TableKey(k.getKey())).join();
        Assert.assertTrue(areEqual(expectedValue, actualEntry));
        boolean exists = kvt.exists(new TableKey(k.getKey())).join();
        Assert.assertEquals(expectedValue != null, exists);
    }
    // Using multi-get.
    val requestKeys = new ArrayList<>(keyVersions.entrySet());
    val entries = kvt.getAll(requestKeys.stream().map(k -> new TableKey(k.getKey())).collect(Collectors.toList())).join();
    Assert.assertEquals(keyVersions.size(), entries.size());
    for (int i = 0; i < requestKeys.size(); i++) {
        val k = requestKeys.get(i);
        val expectedValue = k.getValue() == null ? null : new TableEntry(new TableKey(k.getKey()), k.getValue(), getValue(k.getKey(), iteration));
        val actualEntry = entries.get(i);
        Assert.assertTrue(areEqual(expectedValue, actualEntry));
    }
}