Package org.apache.hadoop.io.serializer

Examples of org.apache.hadoop.io.serializer.Deserializer.open()

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        try {
            Class splitClass = conf.getClassByName(splitClassName);
            SerializationFactory sf = new SerializationFactory(conf);
            // The correct call sequence for Deserializer is, we shall open, then deserialize, but we shall not close
            Deserializer d = sf.getDeserializer(splitClass);
            d.open((InputStream) is);
            wrappedSplits = new InputSplit[splitLen];
            for (int i = 0; i < splitLen; i++)
            {
                wrappedSplits[i] = (InputSplit)ReflectionUtils.newInstance(splitClass, conf);
                d.deserialize(wrappedSplits[i]);
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    if (inputSplit instanceof Writable) {
      ((Writable) inputSplit).readFields(in);
    } else {
      SerializationFactory factory = new SerializationFactory(conf);
      Deserializer deserializer = factory.getDeserializer(inputSplitClass);
      deserializer.open((DataInputStream) in);
      inputSplit = (InputSplit) deserializer.deserialize(inputSplit);
      deserializer.close();
    }
  }
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            Class splitClass = conf.getClassByName(splitClassName);
            wrappedSplit = (InputSplit)ReflectionUtils.newInstance(splitClass, conf);
            SerializationFactory sf = new SerializationFactory(conf);
            // The correct call sequence for Deserializer is, we shall open, then deserialize, but we shall not close
            Deserializer d = sf.getDeserializer(splitClass);
            d.open((InputStream) is);
            d.deserialize(wrappedSplit);
        } catch (ClassNotFoundException e) {
            throw new IOException(e);
        }
       
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    Serializer s = serializationFactory.getSerializer(klazz);
    Deserializer ds = serializationFactory.getDeserializer(klazz);

    try {
      s.open(outBuffer);
      ds.open(inBuffer);

      outBuffer.reset();
      s.serialize(obj);

      byte [] data = outBuffer.getData();
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    bundle.configure(conf); // yay bootstrap!
    Class<? extends InputSplit> inputSplitClass = (Class<? extends InputSplit>) readClass(in);
    inputSplit = (InputSplit) ReflectionUtils.newInstance(inputSplitClass, conf);
    SerializationFactory factory = new SerializationFactory(conf);
    Deserializer deserializer = factory.getDeserializer(inputSplitClass);
    deserializer.open((DataInputStream) in);
    inputSplit = (InputSplit) deserializer.deserialize(inputSplit);
  }

  public void write(DataOutput out) throws IOException {
    out.writeInt(nodeIndex);
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    if (inputSplit instanceof Writable) {
      ((Writable) inputSplit).readFields(in);
    } else {
      SerializationFactory factory = new SerializationFactory(conf);
      Deserializer deserializer = factory.getDeserializer(inputSplitClass);
      deserializer.open((DataInputStream) in);
      inputSplit = (InputSplit) deserializer.deserialize(inputSplit);
      deserializer.close();
    }
  }
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                int index = is.readInt();
                //get the split class name
                String splitClassName = distinctSplitClassName[index];
                Class splitClass = conf.getClassByName(splitClassName);
                Deserializer d = sf.getDeserializer(splitClass);
                d.open((InputStream) is);
                wrappedSplits[i] = (InputSplit)ReflectionUtils.newInstance(splitClass, conf);
                d.deserialize(wrappedSplits[i]);
            }
        } catch (ClassNotFoundException e) {
            throw new IOException(e);
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    if (inputSplit instanceof Writable) {
      ((Writable) inputSplit).readFields(in);
    } else {
      SerializationFactory factory = new SerializationFactory(conf);
      Deserializer deserializer = factory.getDeserializer(inputSplitClass);
      deserializer.open((DataInputStream) in);
      inputSplit = (InputSplit) deserializer.deserialize(inputSplit);
      deserializer.close();
    }
  }
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        try {
            Class splitClass = conf.getClassByName(splitClassName);
            SerializationFactory sf = new SerializationFactory(conf);
            // The correct call sequence for Deserializer is, we shall open, then deserialize, but we shall not close
            Deserializer d = sf.getDeserializer(splitClass);
            d.open((InputStream) is);
            wrappedSplits = new InputSplit[splitLen];
            for (int i = 0; i < splitLen; i++)
            {
                wrappedSplits[i] = (InputSplit)ReflectionUtils.newInstance(splitClass, conf);
                d.deserialize(wrappedSplits[i]);
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    bundle.configure(conf); // yay bootstrap!
    Class<? extends InputSplit> inputSplitClass = readClass(in);
    inputSplit = ReflectionUtils.newInstance(inputSplitClass, conf);
    SerializationFactory factory = new SerializationFactory(conf);
    Deserializer deserializer = factory.getDeserializer(inputSplitClass);
    deserializer.open((DataInputStream) in);
    inputSplit = (InputSplit) deserializer.deserialize(inputSplit);
  }

  public void write(DataOutput out) throws IOException {
    out.writeInt(nodeIndex);
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