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

Example 26 with BinaryDecoder

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

the class RecordWithString method testEmptyValue.

// this tests that the datum reader treats empty fields correctly. It reproduces the issue in ENG-2404.
@Test
public void testEmptyValue() throws UnsupportedTypeException, IOException {
    Schema schema = new ReflectionSchemaGenerator().generate(RecordWithString.class);
    TypeRepresentation typeRep = new TypeRepresentation(RecordWithString.class);
    DatumWriter<RecordWithString> datumWriter = new ReflectionDatumWriter<>(schema);
    @SuppressWarnings("unchecked") ReflectionDatumReader<RecordWithString> datumReader = new ReflectionDatumReader<>(schema, (TypeToken<RecordWithString>) TypeToken.of(typeRep.toType()));
    RecordWithString record = new RecordWithString();
    record.setA(42);
    record.setTheString("");
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    BinaryEncoder encoder = new BinaryEncoder(bos);
    datumWriter.encode(record, encoder);
    byte[] bytes = bos.toByteArray();
    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
    BinaryDecoder decoder = new BinaryDecoder(bis);
    RecordWithString rec = datumReader.read(decoder, schema);
    Assert.assertEquals(record.getA(), rec.getA());
    Assert.assertEquals(record.getTheString(), rec.getTheString());
}

Example 27 with BinaryDecoder

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

the class ASMDatumCodecTest method testMap.

@Test
public void testMap() throws IOException, UnsupportedTypeException {
    TypeToken<Map<String, List<String>>> type = new TypeToken<Map<String, List<String>>>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    DatumWriter<Map<String, List<String>>> writer = getWriter(type);
    ImmutableMap<String, List<String>> map = ImmutableMap.<String, List<String>>of("k1", Lists.newArrayList("v1"), "k2", Lists.newArrayList("v2", null));
    writer.encode(map, new BinaryEncoder(os));
    ReflectionDatumReader<Map<String, List<String>>> reader = new ReflectionDatumReader<>(getSchema(type), type);
    Assert.assertEquals(map, reader.read(new BinaryDecoder(is), getSchema(type)));
}

Example 28 with BinaryDecoder

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

the class ASMDatumCodecTest method testDouble.

@Test
public void testDouble() throws UnsupportedTypeException, IOException {
    TypeToken<Double> type = new TypeToken<Double>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    DatumWriter<Double> writer = getWriter(type);
    writer.encode(3.14d, new BinaryEncoder(os));
    ReflectionDatumReader<Double> reader = new ReflectionDatumReader<>(getSchema(type), type);
    double value = reader.read(new BinaryDecoder(is), getSchema(type));
    Assert.assertEquals(3.14d, value, 0.000001d);
}

Example 29 with BinaryDecoder

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

the class ASMDatumCodecTest method testShort.

@Test
public void testShort() throws UnsupportedTypeException, IOException {
    TypeToken<Short> type = new TypeToken<Short>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    DatumWriter<Short> writer = getWriter(type);
    writer.encode((short) 3000, new BinaryEncoder(os));
    ReflectionDatumReader<Short> reader = new ReflectionDatumReader<>(getSchema(type), type);
    short value = reader.read(new BinaryDecoder(is), getSchema(type));
    Assert.assertEquals((short) 3000, value);
}

Example 30 with BinaryDecoder

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

the class ASMDatumCodecTest method testReferenceArray.

@Test
public void testReferenceArray() throws IOException, UnsupportedTypeException {
    TypeToken<String[]> type = new TypeToken<String[]>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    String[] writeValue = new String[] { "1", "2", null, "3" };
    DatumWriter<String[]> writer = getWriter(type);
    writer.encode(writeValue, new BinaryEncoder(os));
    ReflectionDatumReader<String[]> reader = new ReflectionDatumReader<>(getSchema(type), type);
    String[] value = reader.read(new BinaryDecoder(is), getSchema(type));
    Assert.assertArrayEquals(writeValue, value);
}