Examples with Tuple io.vavr.Tuple used on opensource projects

Example 1 with Tuple

use of io.vavr.Tuple in project janusgraph by JanusGraph.

the class CQLResultSetKeyIteratorTest method testPartialIterateColumns.

@Test
public void testPartialIterateColumns() throws IOException {
    final Random random = new Random();
    final Function1<Integer, ByteBuffer> randomLong = idx -> {
        final ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES).putLong(random.nextLong());
        buffer.flip();
        return buffer;
    };
    final Array<Tuple2<ByteBuffer, Array<Tuple2<ByteBuffer, ByteBuffer>>>> keysMap = Array.range(0, random.nextInt(100) + 100).map(randomLong).map(key -> Tuple.of(key, Array.rangeClosed(0, random.nextInt(100) + 1).map(idx -> Tuple.of(randomLong.apply(idx), randomLong.apply(idx)))));
    final Seq<Row> rows = keysMap.flatMap(tuple -> tuple._2.map(columnAndValue -> {
        final Row row = mock(Row.class);
        when(row.getBytes("key")).thenReturn(tuple._1);
        when(row.getBytes("column1")).thenReturn(columnAndValue._1);
        when(row.getBytes("value")).thenReturn(columnAndValue._2);
        return row;
    }));
    final ResultSet resultSet = mock(ResultSet.class);
    when(resultSet.iterator()).thenReturn(rows.iterator());
    final CQLColValGetter getter = new CQLColValGetter(new EntryMetaData[0]);
    try (final CQLResultSetKeyIterator resultSetKeyIterator = new CQLResultSetKeyIterator(ALL_COLUMNS, getter, resultSet)) {
        final Iterator<Tuple2<ByteBuffer, Array<Tuple2<ByteBuffer, ByteBuffer>>>> iterator = keysMap.iterator();
        while (resultSetKeyIterator.hasNext()) {
            final StaticBuffer next = resultSetKeyIterator.next();
            try (final RecordIterator<Entry> entries = resultSetKeyIterator.getEntries()) {
                final Tuple2<ByteBuffer, Array<Tuple2<ByteBuffer, ByteBuffer>>> current = iterator.next();
                final ByteBuffer currentKey = current._1;
                final Array<Tuple2<ByteBuffer, ByteBuffer>> columnValues = current._2;
                final Iterator<Tuple2<ByteBuffer, ByteBuffer>> columnIterator = columnValues.iterator();
                while (entries.hasNext()) {
                    final Entry entry = entries.next();
                    final Tuple2<ByteBuffer, ByteBuffer> columnAndValue = columnIterator.next();
                    assertEquals(currentKey, next.asByteBuffer());
                    assertEquals(columnAndValue._1, entry.getColumn().asByteBuffer());
                    assertEquals(columnAndValue._2, entry.getValue().asByteBuffer());
                    assertEquals(columnIterator.hasNext(), entries.hasNext());
                    // 10% of the time, don't complete the iteration
                    if (random.nextInt(10) == 0) {
                        break;
                    }
                }
            }
        }
    }
}

Example 2 with Tuple

use of io.vavr.Tuple in project janusgraph by JanusGraph.

the class CQLStoreManager method initializeCluster.

Cluster initializeCluster() throws PermanentBackendException {
    final Configuration configuration = getStorageConfig();
    final List<InetSocketAddress> contactPoints;
    try {
        contactPoints = Array.of(this.hostnames).map(hostName -> hostName.split(":")).map(array -> Tuple.of(array[0], array.length == 2 ? Integer.parseInt(array[1]) : this.port)).map(tuple -> new InetSocketAddress(tuple._1, tuple._2)).toJavaList();
    } catch (SecurityException | ArrayIndexOutOfBoundsException | NumberFormatException e) {
        throw new PermanentBackendException("Error initialising cluster contact points", e);
    }
    final Builder builder = Cluster.builder().addContactPointsWithPorts(contactPoints).withClusterName(configuration.get(CLUSTER_NAME));
    if (configuration.get(PROTOCOL_VERSION) != 0) {
        builder.withProtocolVersion(ProtocolVersion.fromInt(configuration.get(PROTOCOL_VERSION)));
    }
    if (configuration.has(AUTH_USERNAME) && configuration.has(AUTH_PASSWORD)) {
        builder.withCredentials(configuration.get(AUTH_USERNAME), configuration.get(AUTH_PASSWORD));
    }
    if (configuration.has(LOCAL_DATACENTER)) {
        builder.withLoadBalancingPolicy(new TokenAwarePolicy(DCAwareRoundRobinPolicy.builder().withLocalDc(configuration.get(LOCAL_DATACENTER)).build()));
    }
    if (configuration.get(SSL_ENABLED)) {
        try {
            final TrustManager[] trustManagers;
            try (final FileInputStream keyStoreStream = new FileInputStream(configuration.get(SSL_TRUSTSTORE_LOCATION))) {
                final KeyStore keystore = KeyStore.getInstance("jks");
                keystore.load(keyStoreStream, configuration.get(SSL_TRUSTSTORE_PASSWORD).toCharArray());
                final TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
                trustManagerFactory.init(keystore);
                trustManagers = trustManagerFactory.getTrustManagers();
            }
            final SSLContext sslContext = SSLContext.getInstance("TLS");
            sslContext.init(null, trustManagers, null);
            final JdkSSLOptions sslOptions = JdkSSLOptions.builder().withSSLContext(sslContext).build();
            builder.withSSL(sslOptions);
        } catch (NoSuchAlgorithmException | CertificateException | IOException | KeyStoreException | KeyManagementException e) {
            throw new PermanentBackendException("Error initialising SSL connection properties", e);
        }
    }
    // Build the PoolingOptions based on the configurations
    PoolingOptions poolingOptions = new PoolingOptions();
    poolingOptions.setMaxRequestsPerConnection(HostDistance.LOCAL, configuration.get(LOCAL_MAX_REQUESTS_PER_CONNECTION)).setMaxRequestsPerConnection(HostDistance.REMOTE, configuration.get(REMOTE_MAX_REQUESTS_PER_CONNECTION));
    poolingOptions.setConnectionsPerHost(HostDistance.LOCAL, configuration.get(LOCAL_CORE_CONNECTIONS_PER_HOST), configuration.get(LOCAL_MAX_CONNECTIONS_PER_HOST)).setConnectionsPerHost(HostDistance.REMOTE, configuration.get(REMOTE_CORE_CONNECTIONS_PER_HOST), configuration.get(REMOTE_MAX_CONNECTIONS_PER_HOST));
    return builder.withPoolingOptions(poolingOptions).build();
}

Example 3 with Tuple

use of io.vavr.Tuple in project janusgraph by JanusGraph.

the class CQLResultSetKeyIteratorTest method testUneven.

@Test
public void testUneven() throws IOException {
    final Random random = new Random();
    final Function1<Integer, ByteBuffer> randomLong = idx -> {
        final ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES).putLong(random.nextLong());
        buffer.flip();
        return buffer;
    };
    final Array<Tuple2<ByteBuffer, Array<Tuple2<ByteBuffer, ByteBuffer>>>> keysMap = Array.range(0, random.nextInt(100) + 100).map(randomLong).map(key -> Tuple.of(key, Array.rangeClosed(0, random.nextInt(100) + 1).map(idx -> Tuple.of(randomLong.apply(idx), randomLong.apply(idx)))));
    final Seq<Row> rows = keysMap.flatMap(tuple -> tuple._2.map(columnAndValue -> {
        final Row row = mock(Row.class);
        when(row.getBytes("key")).thenReturn(tuple._1);
        when(row.getBytes("column1")).thenReturn(columnAndValue._1);
        when(row.getBytes("value")).thenReturn(columnAndValue._2);
        return row;
    }));
    final ResultSet resultSet = mock(ResultSet.class);
    when(resultSet.iterator()).thenReturn(rows.iterator());
    final CQLColValGetter getter = new CQLColValGetter(new EntryMetaData[0]);
    try (final CQLResultSetKeyIterator resultSetKeyIterator = new CQLResultSetKeyIterator(ALL_COLUMNS, getter, resultSet)) {
        final Iterator<Tuple2<ByteBuffer, Array<Tuple2<ByteBuffer, ByteBuffer>>>> iterator = keysMap.iterator();
        while (resultSetKeyIterator.hasNext()) {
            final StaticBuffer next = resultSetKeyIterator.next();
            try (final RecordIterator<Entry> entries = resultSetKeyIterator.getEntries()) {
                final Tuple2<ByteBuffer, Array<Tuple2<ByteBuffer, ByteBuffer>>> current = iterator.next();
                final ByteBuffer currentKey = current._1;
                final Array<Tuple2<ByteBuffer, ByteBuffer>> columnValues = current._2;
                final Iterator<Tuple2<ByteBuffer, ByteBuffer>> columnIterator = columnValues.iterator();
                while (entries.hasNext()) {
                    final Entry entry = entries.next();
                    final Tuple2<ByteBuffer, ByteBuffer> columnAndValue = columnIterator.next();
                    assertEquals(currentKey, next.asByteBuffer());
                    assertEquals(columnAndValue._1, entry.getColumn().asByteBuffer());
                    assertEquals(columnAndValue._2, entry.getValue().asByteBuffer());
                    assertEquals(columnIterator.hasNext(), entries.hasNext());
                }
            }
        }
    }
}

Example 4 with Tuple

use of io.vavr.Tuple in project janusgraph by JanusGraph.

the class CQLResultSetKeyIteratorTest method testNoIterateColumns.

@Test
public void testNoIterateColumns() throws IOException {
    final Random random = new Random();
    final Function1<Integer, ByteBuffer> randomLong = idx -> {
        final ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES).putLong(random.nextLong());
        buffer.flip();
        return buffer;
    };
    final Array<Tuple2<ByteBuffer, Array<Tuple2<ByteBuffer, ByteBuffer>>>> keysMap = Array.range(0, random.nextInt(100) + 100).map(randomLong).map(key -> Tuple.of(key, Array.rangeClosed(0, random.nextInt(100) + 1).map(idx -> Tuple.of(randomLong.apply(idx), randomLong.apply(idx)))));
    final Seq<Row> rows = keysMap.flatMap(tuple -> tuple._2.map(columnAndValue -> {
        final Row row = mock(Row.class);
        when(row.getBytes("key")).thenReturn(tuple._1);
        when(row.getBytes("column1")).thenReturn(columnAndValue._1);
        when(row.getBytes("value")).thenReturn(columnAndValue._2);
        return row;
    }));
    final ResultSet resultSet = mock(ResultSet.class);
    when(resultSet.iterator()).thenReturn(rows.iterator());
    final CQLColValGetter getter = new CQLColValGetter(new EntryMetaData[0]);
    try (final CQLResultSetKeyIterator resultSetKeyIterator = new CQLResultSetKeyIterator(ALL_COLUMNS, getter, resultSet)) {
        final Iterator<Tuple2<ByteBuffer, Array<Tuple2<ByteBuffer, ByteBuffer>>>> iterator = keysMap.iterator();
        while (resultSetKeyIterator.hasNext()) {
            final StaticBuffer next = resultSetKeyIterator.next();
            assertEquals(iterator.next()._1, next.asByteBuffer());
        }
    }
}