Java Code Examples for org.apache.hadoop.hbase.codec.Codec

The following examples show how to use org.apache.hadoop.hbase.codec.Codec. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: hbase   Source File: CodecPerformance.java    License: Apache License 2.0 6 votes vote down vote up
static void doCodec(final Codec codec, final Cell [] cells, final int cycles, final int count,
    final int initialBufferSize)
throws IOException {
  byte [] bytes = null;
  Cell [] cellsDecoded = null;
  for (int i = 0; i < cycles; i++) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(initialBufferSize);
    Codec.Encoder encoder = codec.getEncoder(baos);
    bytes = runEncoderTest(i, initialBufferSize, baos, encoder, cells);
  }
  for (int i = 0; i < cycles; i++) {
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    Codec.Decoder decoder = codec.getDecoder(bais);
    cellsDecoded = CodecPerformance.runDecoderTest(i, count, decoder);
  }
  verifyCells(cells, cellsDecoded);
}
 
Example 2
Source Project: hbase   Source File: CellBlockBuilder.java    License: Apache License 2.0 6 votes vote down vote up
private boolean buildCellBlock(final Codec codec, final CompressionCodec compressor,
    final CellScanner cellScanner, OutputStreamSupplier supplier) throws IOException {
  if (cellScanner == null) {
    return false;
  }
  if (codec == null) {
    throw new CellScannerButNoCodecException();
  }
  int bufferSize = cellBlockBuildingInitialBufferSize;
  encodeCellsTo(supplier.get(bufferSize), cellScanner, codec, compressor);
  if (LOG.isTraceEnabled() && bufferSize < supplier.size()) {
    LOG.trace("Buffer grew from initial bufferSize=" + bufferSize + " to " + supplier.size()
        + "; up hbase.ipc.cellblock.building.initial.buffersize?");
  }
  return true;
}
 
Example 3
Source Project: hbase   Source File: CellBlockBuilder.java    License: Apache License 2.0 6 votes vote down vote up
private void encodeCellsTo(OutputStream os, CellScanner cellScanner, Codec codec,
    CompressionCodec compressor) throws IOException {
  Compressor poolCompressor = null;
  try {
    if (compressor != null) {
      if (compressor instanceof Configurable) {
        ((Configurable) compressor).setConf(this.conf);
      }
      poolCompressor = CodecPool.getCompressor(compressor);
      os = compressor.createOutputStream(os, poolCompressor);
    }
    Codec.Encoder encoder = codec.getEncoder(os);
    while (cellScanner.advance()) {
      encoder.write(cellScanner.current());
    }
    encoder.flush();
  } catch (BufferOverflowException | IndexOutOfBoundsException e) {
    throw new DoNotRetryIOException(e);
  } finally {
    os.close();
    if (poolCompressor != null) {
      CodecPool.returnCompressor(poolCompressor);
    }
  }
}
 
Example 4
Source Project: hbase   Source File: CellBlockBuilder.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Puts CellScanner Cells into a cell block using passed in <code>codec</code> and/or
 * <code>compressor</code>.
 * @param codec to use for encoding
 * @param compressor to use for encoding
 * @param cellScanner to encode
 * @param allocator to allocate the {@link ByteBuff}.
 * @return Null or byte buffer filled with a cellblock filled with passed-in Cells encoded using
 *         passed in <code>codec</code> and/or <code>compressor</code>; the returned buffer has
 *         been flipped and is ready for reading. Use limit to find total size. If
 *         <code>pool</code> was not null, then this returned ByteBuffer came from there and
 *         should be returned to the pool when done.
 * @throws IOException if encoding the cells fail
 */
public ByteBufferListOutputStream buildCellBlockStream(Codec codec, CompressionCodec compressor,
    CellScanner cellScanner, ByteBuffAllocator allocator) throws IOException {
  if (cellScanner == null) {
    return null;
  }
  if (codec == null) {
    throw new CellScannerButNoCodecException();
  }
  ByteBufferListOutputStream bbos = new ByteBufferListOutputStream(allocator);
  encodeCellsTo(bbos, cellScanner, codec, compressor);
  if (bbos.size() == 0) {
    bbos.releaseResources();
    return null;
  }
  return bbos;
}
 
Example 5
Source Project: hbase   Source File: TestCellBlockBuilder.java    License: Apache License 2.0 6 votes vote down vote up
private static void timerTests(final CellBlockBuilder builder, final int count, final int size,
    final Codec codec, final CompressionCodec compressor) throws IOException {
  final int cycles = 1000;
  StopWatch timer = new StopWatch();
  timer.start();
  for (int i = 0; i < cycles; i++) {
    timerTest(builder, timer, count, size, codec, compressor, false);
  }
  timer.stop();
  LOG.info("Codec=" + codec + ", compression=" + compressor + ", sized=" + false + ", count="
      + count + ", size=" + size + ", + took=" + timer.getTime() + "ms");
  timer.reset();
  timer.start();
  for (int i = 0; i < cycles; i++) {
    timerTest(builder, timer, count, size, codec, compressor, true);
  }
  timer.stop();
  LOG.info("Codec=" + codec + ", compression=" + compressor + ", sized=" + true + ", count="
      + count + ", size=" + size + ", + took=" + timer.getTime() + "ms");
}
 
Example 6
Source Project: phoenix   Source File: ReadWriteKeyValuesWithCodecIT.java    License: Apache License 2.0 5 votes vote down vote up
private void writeWALEdit(WALCellCodec codec, List<Cell> kvs, FSDataOutputStream out) throws IOException {
  out.writeInt(kvs.size());
  Codec.Encoder cellEncoder = codec.getEncoder(out);
  // We interleave the two lists for code simplicity
  for (Cell kv : kvs) {
      cellEncoder.write(kv);
  }
}
 
Example 7
Source Project: hbase   Source File: WALEdit.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Reads WALEdit from cells.
 * @param cellDecoder Cell decoder.
 * @param expectedCount Expected cell count.
 * @return Number of KVs read.
 */
public int readFromCells(Codec.Decoder cellDecoder, int expectedCount) throws IOException {
  cells.clear();
  cells.ensureCapacity(expectedCount);
  while (cells.size() < expectedCount && cellDecoder.advance()) {
    add(cellDecoder.current());
  }
  return cells.size();
}
 
Example 8
Source Project: hbase   Source File: TestNettyIPC.java    License: Apache License 2.0 5 votes vote down vote up
@Override
protected NettyRpcClient createRpcClientNoCodec(Configuration conf) {
  setConf(conf);
  return new NettyRpcClient(conf) {

    @Override
    Codec getCodec() {
      return null;
    }

  };
}
 
Example 9
Source Project: hbase   Source File: TestBlockingIPC.java    License: Apache License 2.0 5 votes vote down vote up
@Override
protected BlockingRpcClient createRpcClientNoCodec(Configuration conf) {
  return new BlockingRpcClient(conf) {
    @Override
    Codec getCodec() {
      return null;
    }
  };
}
 
Example 10
Source Project: hbase   Source File: IntegrationTestRpcClient.java    License: Apache License 2.0 5 votes vote down vote up
protected AbstractRpcClient<?> createRpcClient(Configuration conf, boolean isSyncClient) {
  return isSyncClient ? new BlockingRpcClient(conf) : new NettyRpcClient(conf) {
    @Override
    Codec getCodec() {
      return null;
    }
  };
}
 
Example 11
Source Project: hbase   Source File: NettyRpcDuplexHandler.java    License: Apache License 2.0 5 votes vote down vote up
public NettyRpcDuplexHandler(NettyRpcConnection conn, CellBlockBuilder cellBlockBuilder,
    Codec codec, CompressionCodec compressor) {
  this.conn = conn;
  this.cellBlockBuilder = cellBlockBuilder;
  this.codec = codec;
  this.compressor = compressor;

}
 
Example 12
Source Project: hbase   Source File: AbstractRpcClient.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Encapsulate the ugly casting and RuntimeException conversion in private method.
 * @return Codec to use on this client.
 */
Codec getCodec() {
  // For NO CODEC, "hbase.client.rpc.codec" must be configured with empty string AND
  // "hbase.client.default.rpc.codec" also -- because default is to do cell block encoding.
  String className = conf.get(HConstants.RPC_CODEC_CONF_KEY, getDefaultCodec(this.conf));
  if (className == null || className.length() == 0) {
    return null;
  }
  try {
    return (Codec) Class.forName(className).getDeclaredConstructor().newInstance();
  } catch (Exception e) {
    throw new RuntimeException("Failed getting codec " + className, e);
  }
}
 
Example 13
Source Project: hbase   Source File: CellBlockBuilder.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Puts CellScanner Cells into a cell block using passed in <code>codec</code> and/or
 * <code>compressor</code>.
 * @param codec
 * @param compressor
 * @param cellScanner
 * @return Null or byte buffer filled with a cellblock filled with passed-in Cells encoded using
 *         passed in <code>codec</code> and/or <code>compressor</code>; the returned buffer has
 *         been flipped and is ready for reading. Use limit to find total size.
 * @throws IOException
 */
public ByteBuffer buildCellBlock(final Codec codec, final CompressionCodec compressor,
    final CellScanner cellScanner) throws IOException {
  ByteBufferOutputStreamSupplier supplier = new ByteBufferOutputStreamSupplier();
  if (buildCellBlock(codec, compressor, cellScanner, supplier)) {
    ByteBuffer bb = supplier.baos.getByteBuffer();
    // If no cells, don't mess around. Just return null (could be a bunch of existence checking
    // gets or something -- stuff that does not return a cell).
    return bb.hasRemaining() ? bb : null;
  } else {
    return null;
  }
}
 
Example 14
Source Project: hbase   Source File: CellBlockBuilder.java    License: Apache License 2.0 5 votes vote down vote up
public ByteBuf buildCellBlock(Codec codec, CompressionCodec compressor, CellScanner cellScanner,
    ByteBufAllocator alloc) throws IOException {
  ByteBufOutputStreamSupplier supplier = new ByteBufOutputStreamSupplier(alloc);
  if (buildCellBlock(codec, compressor, cellScanner, supplier)) {
    return supplier.buf;
  } else {
    return null;
  }
}
 
Example 15
Source Project: hbase   Source File: CellBlockBuilder.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * @param codec to use for cellblock
 * @param cellBlock to encode
 * @return CellScanner to work against the content of <code>cellBlock</code>
 * @throws IOException if encoding fails
 */
public CellScanner createCellScanner(final Codec codec, final CompressionCodec compressor,
    final byte[] cellBlock) throws IOException {
  // Use this method from Client side to create the CellScanner
  if (compressor != null) {
    ByteBuffer cellBlockBuf = decompress(compressor, cellBlock);
    return codec.getDecoder(new ByteBufferInputStream(cellBlockBuf));
  }
  // Not making the Decoder over the ByteBuffer purposefully. The Decoder over the BB will
  // make Cells directly over the passed BB. This method is called at client side and we don't
  // want the Cells to share the same byte[] where the RPC response is being read. Caching of any
  // of the Cells at user's app level will make it not possible to GC the response byte[]
  return codec.getDecoder(new ByteArrayInputStream(cellBlock));
}
 
Example 16
Source Project: hbase   Source File: CellBlockBuilder.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * @param codec to use for cellblock
 * @param cellBlock ByteBuffer containing the cells written by the Codec. The buffer should be
 *          position()'ed at the start of the cell block and limit()'ed at the end.
 * @return CellScanner to work against the content of <code>cellBlock</code>. All cells created
 *         out of the CellScanner will share the same ByteBuffer being passed.
 * @throws IOException if cell encoding fails
 */
public CellScanner createCellScannerReusingBuffers(final Codec codec,
    final CompressionCodec compressor, ByteBuff cellBlock) throws IOException {
  // Use this method from HRS to create the CellScanner
  // If compressed, decompress it first before passing it on else we will leak compression
  // resources if the stream is not closed properly after we let it out.
  if (compressor != null) {
    cellBlock = decompress(compressor, cellBlock);
  }
  return codec.getDecoder(cellBlock);
}
 
Example 17
Source Project: hbase   Source File: TestCellBlockBuilder.java    License: Apache License 2.0 5 votes vote down vote up
static void doBuildCellBlockUndoCellBlock(final CellBlockBuilder builder, final Codec codec,
    final CompressionCodec compressor, final int count, final int size, final boolean sized)
    throws IOException {
  Cell[] cells = getCells(count, size);
  CellScanner cellScanner = sized ? getSizedCellScanner(cells)
      : CellUtil.createCellScanner(Arrays.asList(cells).iterator());
  ByteBuffer bb = builder.buildCellBlock(codec, compressor, cellScanner);
  cellScanner = builder.createCellScannerReusingBuffers(codec, compressor,
      new SingleByteBuff(bb));
  int i = 0;
  while (cellScanner.advance()) {
    i++;
  }
  assertEquals(count, i);
}
 
Example 18
Source Project: phoenix   Source File: ReadWriteKeyValuesWithCodecTest.java    License: Apache License 2.0 5 votes vote down vote up
private void writeWALEdit(WALCellCodec codec, List<Cell> kvs, FSDataOutputStream out) throws IOException {
  out.writeInt(kvs.size());
  Codec.Encoder cellEncoder = codec.getEncoder(out);
  // We interleave the two lists for code simplicity
  for (Cell kv : kvs) {
      cellEncoder.write(kv);
  }
}
 
Example 19
Source Project: hbase   Source File: RpcConnection.java    License: Apache License 2.0 4 votes vote down vote up
protected RpcConnection(Configuration conf, HashedWheelTimer timeoutTimer, ConnectionId remoteId,
    String clusterId, boolean isSecurityEnabled, Codec codec, CompressionCodec compressor)
    throws IOException {
  if (remoteId.getAddress().isUnresolved()) {
    throw new UnknownHostException("unknown host: " + remoteId.getAddress().getHostName());
  }
  this.serverAddress = remoteId.getAddress().getAddress();
  this.timeoutTimer = timeoutTimer;
  this.codec = codec;
  this.compressor = compressor;
  this.conf = conf;

  User ticket = remoteId.getTicket();
  this.securityInfo = SecurityInfo.getInfo(remoteId.getServiceName());
  this.useSasl = isSecurityEnabled;

  // Choose the correct Token and AuthenticationProvider for this client to use
  SaslClientAuthenticationProviders providers =
      SaslClientAuthenticationProviders.getInstance(conf);
  Pair<SaslClientAuthenticationProvider, Token<? extends TokenIdentifier>> pair;
  if (useSasl && securityInfo != null) {
    pair = providers.selectProvider(clusterId, ticket);
    if (pair == null) {
      if (LOG.isTraceEnabled()) {
        LOG.trace("Found no valid authentication method from providers={} with tokens={}",
            providers.toString(), ticket.getTokens());
      }
      throw new RuntimeException("Found no valid authentication method from options");
    }
  } else if (!useSasl) {
    // Hack, while SIMPLE doesn't go via SASL.
    pair = providers.getSimpleProvider();
  } else {
    throw new RuntimeException("Could not compute valid client authentication provider");
  }

  this.provider = pair.getFirst();
  this.token = pair.getSecond();

  LOG.debug("Using {} authentication for service={}, sasl={}",
      provider.getSaslAuthMethod().getName(), remoteId.serviceName, useSasl);
  reloginMaxBackoff = conf.getInt("hbase.security.relogin.maxbackoff", 5000);
  this.remoteId = remoteId;
}
 
Example 20
Source Project: hbase   Source File: TestCellBlockBuilder.java    License: Apache License 2.0 4 votes vote down vote up
static void doBuildCellBlockUndoCellBlock(final CellBlockBuilder builder, final Codec codec,
    final CompressionCodec compressor) throws IOException {
  doBuildCellBlockUndoCellBlock(builder, codec, compressor, 10, 1, false);
}
 
Example 21
Source Project: hbase   Source File: TestCellBlockBuilder.java    License: Apache License 2.0 4 votes vote down vote up
private static void timerTest(final CellBlockBuilder builder, final StopWatch timer,
    final int count, final int size, final Codec codec, final CompressionCodec compressor,
    final boolean sized) throws IOException {
  doBuildCellBlockUndoCellBlock(builder, codec, compressor, count, size, sized);
}