Examples of org.apache.thrift.protocol.TCompactProtocol

org.apache.thrift.protocol.TCompactProtocol
TCompactProtocol2 is the Java implementation of the compact protocol specified in THRIFT-110. The fundamental approach to reducing the overhead of structures is a) use variable-length integers all over the place and b) make use of unused bits wherever possible. Your savings will obviously vary based on the specific makeup of your structs, but in general, the more fields, nested structures, short strings and collections, and low-value i32 and i64 fields you have, the more benefit you'll see.


    sock.open();
    try {
      TProtocol prot;
      if (specifyCompact) {
        prot = new TCompactProtocol(transport);
      } else {
        prot = new TBinaryProtocol(transport);
      }
      Hbase.Client client = new Hbase.Client(prot);
      if (!tableCreated){

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        ThriftCatalog writeCatalog = writeCodecManager.getCatalog();
        ThriftStructMetadata<T> writeMetadata = writeCatalog.getThriftStructMetadata(structClass);
        assertNotNull(writeMetadata);


        TMemoryBuffer transport = new TMemoryBuffer(10 * 1024);
        TCompactProtocol protocol = new TCompactProtocol(transport);
        writeCodec.write(structInstance, protocol);


        T copy = readCodec.read(protocol);
        assertNotNull(copy);
        assertEquals(copy, structInstance);

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    private <T> void testRoundTripSerialize(T value)
            throws Exception
    {
        // write value
        TMemoryBuffer transport = new TMemoryBuffer(10 * 1024);
        TCompactProtocol protocol = new TCompactProtocol(transport);
        codecManager.write((Class<T>) value.getClass(), value, protocol);


        // read value back
        T copy = codecManager.read((Class<T>) value.getClass(), protocol);
        assertNotNull(copy);

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    private <T> void testRoundTripSerialize(ThriftType type, T value)
            throws Exception
    {
        // write value
        TMemoryBuffer transport = new TMemoryBuffer(10 * 1024);
        TCompactProtocol protocol = new TCompactProtocol(transport);
        codecManager.write(type, value, protocol);


        // read value back
        T copy = (T) codecManager.read(type, protocol);
        assertNotNull(copy);

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    private final int hashCode;


    public ClientWrapper() throws Exception{
      transport = new TFastFramedTransport(new TSocket(hostname, port));
      transport.open();
      client = new ThriftSourceProtocol.Client(new TCompactProtocol
        (transport));
      // Not a great hash code, but since this class is immutable and there
      // is at most one instance of the components of this class,
      // this works fine [If the objects are equal, hash code is the same]
      hashCode = random.nextInt();

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    sock.open();
    try {
      TProtocol prot;
      if (specifyCompact) {
        prot = new TCompactProtocol(transport);
      } else {
        prot = new TBinaryProtocol(transport);
      }
      Hbase.Client client = new Hbase.Client(prot);
      if (!tableCreated){

View Full Code Here


    sock.open();
    try {
      TProtocol prot;
      if (specifyCompact) {
        prot = new TCompactProtocol(transport);
      } else {
        prot = new TBinaryProtocol(transport);
      }
      Hbase.Client client = new Hbase.Client(prot);
      if (!tableCreated){

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        ChannelBuffer frame = null;
        while (null != (frame = (ChannelBuffer) super.decode(ctx, channel, 
                                                             buffer))) {
            if (ms == null) ms = new ArrayList<SyncMessage>();
            ChannelBufferInputStream is = new ChannelBufferInputStream(frame);
            TCompactProtocol thriftProtocol =
                    new TCompactProtocol(new TIOStreamTransport(is));
            SyncMessage bsm = new SyncMessage();
            bsm.read(thriftProtocol);
            ms.add(bsm);
        }
        return ms;

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    protected Object encode(ChannelHandlerContext ctx, Channel channel,
                            Object message) throws Exception {
        if (message instanceof SyncMessage) {
            ChannelBuffer buf = new DynamicChannelBuffer(512);
            ChannelBufferOutputStream os = new ChannelBufferOutputStream(buf);
            TCompactProtocol thriftProtocol =
                    new TCompactProtocol(new TIOStreamTransport(os));
            ((SyncMessage) message).write(thriftProtocol);


            ChannelBuffer len = ChannelBuffers.buffer(4);
            len.writeInt(buf.readableBytes());
            return ChannelBuffers.wrappedBuffer(len, buf);

View Full Code Here


    sock.open();
    try {
      TProtocol prot;
      if (specifyCompact) {
        prot = new TCompactProtocol(transport);
      } else {
        prot = new TBinaryProtocol(transport);
      }
      Hbase.Client client = new Hbase.Client(prot);
      if (!tableCreated){

View Full Code Here

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