Examples with BinaryDecoder io.cdap.cdap.common.io.BinaryDecoder used on opensource projects

Example 1 with BinaryDecoder

use of io.cdap.cdap.common.io.BinaryDecoder in project cdap by caskdata.

the class ObjectStoreDataset method decode.

private T decode(byte[] bytes) {
    if (bytes == null) {
        return null;
    }
    // decode T using schema
    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
    BinaryDecoder decoder = new BinaryDecoder(bis);
    try {
        return getReflectionDatumReader().read(decoder, this.schema);
    } catch (IOException e) {
        // SHOULD NEVER happen
        throw new DataSetException("Failed to decode read object: " + e.getMessage(), e);
    }
}

Example 2 with BinaryDecoder

use of io.cdap.cdap.common.io.BinaryDecoder in project cdap by caskdata.

the class ASMDatumCodecTest method testRecordContainer.

@Test
public void testRecordContainer() throws IOException, UnsupportedTypeException {
    TypeToken<List<Record>> type = new TypeToken<List<Record>>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    DatumWriter<List<Record>> writer = getWriter(type);
    List<Record> writeValue = ImmutableList.of(new Record(10, "testing", ImmutableList.of("a", "b", "c"), TestEnum.VALUE2));
    writer.encode(writeValue, new BinaryEncoder(os));
    ReflectionDatumReader<List<Record>> reader = new ReflectionDatumReader<>(getSchema(type), type);
    List<Record> value = reader.read(new BinaryDecoder(is), getSchema(type));
    Assert.assertEquals(writeValue, value);
}

Example 3 with BinaryDecoder

use of io.cdap.cdap.common.io.BinaryDecoder in project cdap by caskdata.

the class ASMDatumCodecTest method testUUID.

@Test
public void testUUID() throws UnsupportedTypeException, IOException {
    TypeToken<UUID> type = new TypeToken<UUID>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    DatumWriter<UUID> writer = getWriter(type);
    UUID uuid = UUID.randomUUID();
    writer.encode(uuid, new BinaryEncoder(os));
    ReflectionDatumReader<UUID> reader = new ReflectionDatumReader<>(getSchema(type), type);
    UUID value = reader.read(new BinaryDecoder(is), getSchema(type));
    Assert.assertEquals(uuid, value);
}

Example 4 with BinaryDecoder

use of io.cdap.cdap.common.io.BinaryDecoder in project cdap by caskdata.

the class ASMDatumCodecTest method testString.

@Test
public void testString() throws UnsupportedTypeException, IOException {
    TypeToken<String> type = new TypeToken<String>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    DatumWriter<String> writer = getWriter(type);
    writer.encode("Testing message", new BinaryEncoder(os));
    ReflectionDatumReader<String> reader = new ReflectionDatumReader<>(getSchema(type), type);
    String value = reader.read(new BinaryDecoder(is), getSchema(type));
    Assert.assertEquals("Testing message", value);
}

Example 5 with BinaryDecoder

use of io.cdap.cdap.common.io.BinaryDecoder in project cdap by caskdata.

the class ASMDatumCodecTest method testTree.

@Test
public void testTree() throws IOException, UnsupportedTypeException {
    TypeToken<Node> type = new TypeToken<Node>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    DatumWriter<Node> writer = getWriter(type);
    Node root = new Node((short) 1, new Node((short) 2, null, new Node((short) 3, null, null)), new Node((short) 4, new Node((short) 5, null, null), null));
    writer.encode(root, new BinaryEncoder(os));
    ReflectionDatumReader<Node> reader = new ReflectionDatumReader<>(getSchema(type), type);
    Node value = reader.read(new BinaryDecoder(is), getSchema(type));
    Assert.assertEquals(root, value);
}