Package org.apache.hadoop.hbase.codec

Examples of org.apache.hadoop.hbase.codec.Codec$Encoder

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  {
    CommandMessage commandMessage = new CommandMessage();
    commandMessage.setOperation( CommandMessage.LOGIN_OPERATION );

    String credString = username + ":" + password;
    Encoder encoder = new Encoder( credString.length() );
    encoder.encode( credString.getBytes() );

    commandMessage.setBody( encoder.drain() );
    commandMessage.setDestination( DESTINATION );
    return commandMessage;
  }
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    private CommandMessage createLoginCommandMessage() {
        CommandMessage commandMessage = new CommandMessage();
        commandMessage.setOperation(CommandMessage.LOGIN_OPERATION);

        String credString = username + ":" + password;
        Encoder encoder = new Encoder(credString.length());
        encoder.encode(credString.getBytes());

        commandMessage.setBody(encoder.drain());
        commandMessage.setDestination(DESTINATION);
        return commandMessage;
    }
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  @Test
  public void testEmptyWorks() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    assertEquals(0, offset);
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertFalse(decoder.advance());
    dis.close();
    assertEquals(0, cis.getCount());
  }
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  @Test
  public void testOne() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    final KeyValue kv =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
    encoder.write(kv);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertTrue(decoder.advance()); // First read should pull in the KV
    // Second read should trip over the end-of-stream marker and return false
    assertFalse(decoder.advance());
    dis.close();
    assertEquals(offset, cis.getCount());
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  @Test
  public void testThree() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    final KeyValue kv1 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), Bytes.toBytes("1"));
    final KeyValue kv2 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"), Bytes.toBytes("2"));
    final KeyValue kv3 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"), Bytes.toBytes("3"));
    encoder.write(kv1);
    encoder.write(kv2);
    encoder.write(kv3);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertTrue(decoder.advance());
    Cell c = decoder.current();
    assertTrue(CellComparator.equals(c, kv1));
    assertTrue(decoder.advance());
    c = decoder.current();
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  @Test
  public void testEmptyWorks() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    assertEquals(0, offset);
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertFalse(decoder.advance());
    dis.close();
    assertEquals(0, cis.getCount());
  }
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  @Test
  public void testOne() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    final KeyValue kv =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
    kv.setSequenceId(Long.MAX_VALUE);
    encoder.write(kv);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertTrue(decoder.advance()); // First read should pull in the KV
    // Second read should trip over the end-of-stream marker and return false
    assertFalse(decoder.advance());
    dis.close();
    assertEquals(offset, cis.getCount());
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  @Test
  public void testThree() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    final KeyValue kv1 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), Bytes.toBytes("1"));
    final KeyValue kv2 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"), Bytes.toBytes("2"));
    final KeyValue kv3 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"), Bytes.toBytes("3"));
    encoder.write(kv1);
    encoder.write(kv2);
    encoder.write(kv3);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertTrue(decoder.advance());
    Cell c = decoder.current();
    assertTrue(CellComparator.equals(c, kv1));
    assertTrue(decoder.advance());
    c = decoder.current();
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  @Test
  public void testEmptyWorks() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    assertEquals(0, offset);
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertFalse(decoder.advance());
    dis.close();
    assertEquals(0, cis.getCount());
  }
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  @Test
  public void testOne() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    final KeyValue kv =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
    kv.setMvccVersion(Long.MAX_VALUE);
    encoder.write(kv);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertTrue(decoder.advance()); // First read should pull in the KV
    // Second read should trip over the end-of-stream marker and return false
    assertFalse(decoder.advance());
    dis.close();
    assertEquals(offset, cis.getCount());
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