Package org.apache.avro.ipc

Examples of org.apache.avro.ipc.ByteBufferOutputStream

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    if(serializationFactory == null) {
      serializationFactory = new SerializationFactory(getOrCreateConf(conf));
    }
    Serializer<T> serializer = serializationFactory.getSerializer(objClass);

    ByteBufferOutputStream os = new ByteBufferOutputStream();
    try {
      serializer.open(os);
      serializer.serialize(obj);

      int length = 0;
      List<ByteBuffer> buffers = os.getBufferList();
      for(ByteBuffer buffer : buffers) {
        length += buffer.limit() - buffer.arrayOffset();
      }

      WritableUtils.writeVInt(out, length);
      for(ByteBuffer buffer : buffers) {
        byte[] arr = buffer.array();
        out.write(arr, buffer.arrayOffset(), buffer.limit());
      }

    }finally {
      if(serializer != null)
        serializer.close();
      if(os != null)
        os.close();
    }
  }
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    if(serializationFactory == null) {
      serializationFactory = new SerializationFactory(getOrCreateConf(conf));
    }
    Serializer<T> serializer = serializationFactory.getSerializer(objClass);

    ByteBufferOutputStream os = new ByteBufferOutputStream();
    try {
      serializer.open(os);
      serializer.serialize(obj);

      int length = 0;
      List<ByteBuffer> buffers = os.getBufferList();
      for(ByteBuffer buffer : buffers) {
        length += buffer.limit() - buffer.arrayOffset();
      }

      WritableUtils.writeVInt(out, length);
      for(ByteBuffer buffer : buffers) {
        byte[] arr = buffer.array();
        out.write(arr, buffer.arrayOffset(), buffer.limit());
      }

    }finally {
      if(serializer != null)
        serializer.close();
      if(os != null)
        os.close();
    }
  }
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    }
  }
 
  @SuppressWarnings("unchecked")
  public static <T> void testSerializeDeserialize(T... objects) throws Exception {
    ByteBufferOutputStream os = new ByteBufferOutputStream();
    DataOutputStream dos = new DataOutputStream(os);
    ByteBufferInputStream is = null;
    DataInputStream dis = null;
   
    GoraMapReduceUtils.setIOSerializations(conf, true);
   
    try {
      for(T before : objects) {
        IOUtils.serialize(conf, dos , before, (Class<T>)before.getClass());
        dos.flush();
      }
      
      is = new ByteBufferInputStream(os.getBufferList());
      dis = new DataInputStream(is);
     
      for(T before : objects) {
        T after = IOUtils.deserialize(conf, dis, null, (Class<T>)before.getClass());
       
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    switch(type) {
      case BLOB          : blob = connection.createBlob();
                           os = blob.setBinaryStream(1); break;
      case BINARY        :
      case VARBINARY     :
      case LONGVARBINARY : os = new ByteBufferOutputStream(); break;
    }

    IOUtils.serialize(os, datumWriter, schema, object);
    os.close();
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    }
  }
 
  @SuppressWarnings("unchecked")
  public static <T> void testSerializeDeserialize(T... objects) throws Exception {
    ByteBufferOutputStream os = new ByteBufferOutputStream();
    DataOutputStream dos = new DataOutputStream(os);
    ByteBufferInputStream is = null;
    DataInputStream dis = null;
   
    GoraMapReduceUtils.setIOSerializations(conf, true);
   
    try {
      for(T before : objects) {
        IOUtils.serialize(conf, dos , before, (Class<T>)before.getClass());
        dos.flush();
      }
      
      is = new ByteBufferInputStream(os.getBufferList());
      dis = new DataInputStream(is);
     
      for(T before : objects) {
        T after = IOUtils.deserialize(conf, dis, null, (Class<T>)before.getClass());
       
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    if(serializationFactory == null) {
      serializationFactory = new SerializationFactory(getOrCreateConf(conf));
    }
    Serializer<T> serializer = serializationFactory.getSerializer(objClass);

    ByteBufferOutputStream os = new ByteBufferOutputStream();
    try {
      serializer.open(os);
      serializer.serialize(obj);

      int length = 0;
      List<ByteBuffer> buffers = os.getBufferList();
      for(ByteBuffer buffer : buffers) {
        length += buffer.limit() - buffer.arrayOffset();
      }

      WritableUtils.writeVInt(out, length);
      for(ByteBuffer buffer : buffers) {
        byte[] arr = buffer.array();
        out.write(arr, buffer.arrayOffset(), buffer.limit());
      }

    }finally {
      if(serializer != null)
        serializer.close();
      if(os != null)
        os.close();
    }
  }
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Related Classes of org.apache.avro.ipc.ByteBufferOutputStream

  • org.apache.gora.sql.store.SqlStore
  • org.apache.gora.util.IOUtils
  • org.apache.gora.util.TestIOUtils
  • java.nio.ByteBuffer
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