Examples with Ref io.datarouter.scanner.Ref used on opensource projects

Example 1 with Ref

use of io.datarouter.scanner.Ref in project datarouter by hotpads.

the class WordTests method testValueBlockV1.

@Test
public void testValueBlockV1() {
    Supplier<ValueBlockV1Encoder> encoderSupplier = ValueBlockV1Encoder::new;
    Ref<ValueBlockV1Encoder> encoder = new Ref<>(encoderSupplier.get());
    int blockSize = 4096;
    List<String> inputs = WordDataset.scanWords(getClass().getSimpleName() + "-testValueBlockV1").list();
    List<byte[]> blocks = Scanner.of(inputs).map(str -> str.getBytes(StandardCharsets.UTF_8)).map(value -> new SnapshotEntry(EmptyArray.BYTE, EmptyArray.BYTE, new byte[][] { value })).concat(value -> {
        encoder.get().add(value, 0);
        if (encoder.get().numBytes() >= blockSize) {
            byte[] block = encoder.get().encode().concat();
            encoder.set(encoderSupplier.get());
            return Scanner.of(block);
        }
        return Scanner.empty();
    }).list();
    if (encoder.get().numRecords() > 0) {
        blocks.add(encoder.get().encode().concat());
    }
    logger.warn("encoded {} value blocks", blocks.size());
    List<String> outputs = Scanner.of(blocks).map(ValueBlockV1::new).concat(ValueBlock::valueCopies).map(bytes -> new String(bytes, StandardCharsets.UTF_8)).list();
    Require.equals(outputs.size(), inputs.size());
    for (int i = 0; i < inputs.size(); ++i) {
        if (ObjectTool.notEquals(outputs.get(i), inputs.get(i))) {
            logger.warn("actual=[{}] expected=[{}]", outputs.get(i), inputs.get(i));
            String message = String.format("actual=[%s] does not equal expected=[%s]", CsvIntByteStringCodec.INSTANCE.encode(outputs.get(i).getBytes(StandardCharsets.UTF_8)), CsvIntByteStringCodec.INSTANCE.encode(inputs.get(i).getBytes(StandardCharsets.UTF_8)));
            throw new IllegalArgumentException(message);
        }
    }
}

Example 2 with Ref

use of io.datarouter.scanner.Ref in project datarouter by hotpads.

the class WordTests method testLeafBlockV1.

@Test
public void testLeafBlockV1() {
    Supplier<LeafBlockV1Encoder> encoderSupplier = () -> new LeafBlockV1Encoder(32 * 1024);
    Ref<LeafBlockV1Encoder> encoder = new Ref<>(encoderSupplier.get());
    int blockSize = 4096;
    String valuePrefix = "val_";
    List<SnapshotEntry> inputs = WordDataset.scanWords(getClass().getSimpleName() + "-testLeafBlockV1").map(word -> {
        byte[] keyBytes = word.getBytes(StandardCharsets.UTF_8);
        byte[] valueBytes = ByteTool.concat(valuePrefix.getBytes(StandardCharsets.UTF_8), keyBytes);
        return new SnapshotEntry(keyBytes, valueBytes, ByteTool.EMPTY_ARRAY_2);
    }).list();
    var keyId = new AtomicLong();
    List<byte[]> blocks = Scanner.of(inputs).concat(entry -> {
        // TODO use real value block references
        encoder.get().add(0, keyId.getAndIncrement(), entry, new int[] { 0 }, new int[] { 0 });
        if (encoder.get().numBytes() >= blockSize) {
            var fileIdsAndEndings = new FileIdsAndEndings[] { new FileIdsAndEndings(new int[] { 0 }, new int[] { 0 }) };
            byte[] block = encoder.get().encode(fileIdsAndEndings).concat();
            encoder.set(encoderSupplier.get());
            return Scanner.of(block);
        }
        return Scanner.empty();
    }).list();
    if (encoder.get().numRecords() > 0) {
        var fileIdsAndEndings = new FileIdsAndEndings[] { new FileIdsAndEndings(new int[] { 0 }, new int[] { 0 }) };
        blocks.add(encoder.get().encode(fileIdsAndEndings).concat());
    }
    logger.warn("encoded {} key blocks", blocks.size());
    List<SnapshotLeafRecord> outputs = Scanner.of(blocks).map(LeafBlockV1::new).concat(LeafBlock::leafRecords).list();
    Require.equals(outputs.size(), inputs.size());
    for (int i = 0; i < outputs.size(); ++i) {
        if (!Arrays.equals(outputs.get(i).key, inputs.get(i).key())) {
            logger.warn("actual=[{}] expected=[{}]", outputs.get(i), inputs.get(i));
            String message = String.format("key: actual=[%s] does not equal expected=[%s]", CsvIntByteStringCodec.INSTANCE.encode(outputs.get(i).key), CsvIntByteStringCodec.INSTANCE.encode(inputs.get(i).key()));
            throw new IllegalArgumentException(message);
        }
        if (!Arrays.equals(outputs.get(i).value, inputs.get(i).value())) {
            logger.warn("actual=[{}] expected=[{}]", outputs.get(i), inputs.get(i));
            String message = String.format("value: actual=[%s] does not equal expected=[%s]", CsvIntByteStringCodec.INSTANCE.encode(outputs.get(i).value), CsvIntByteStringCodec.INSTANCE.encode(inputs.get(i).value()));
            throw new IllegalArgumentException(message);
        }
    }
}