Examples of com.google.appengine.tools.mapreduce.outputs.LevelDbOutputWriter$Record

Package com.google.appengine.tools.mapreduce.outputs

Examples of com.google.appengine.tools.mapreduce.outputs.LevelDbOutputWriter$Record

com.google.appengine.tools.mapreduce.outputs.LevelDbOutputWriter
A class that holds information needed to write a physical record.

    }


  }


  public void writeData(GcsFilename filename, ByteBufferGenerator gen) throws IOException {
    LevelDbOutputWriter writer = new GoogleCloudStorageLevelDbOutputWriter(
        new GoogleCloudStorageFileOutputWriter(filename, "TestData"));
    writer.beginShard();
    writer.beginSlice();
    while (gen.hasNext()) {
      writer.write(gen.next());
    }
    writer.endSlice();
    writer.endShard();
  }

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      Marshaller<ByteBuffer> identity = Marshallers.getByteBufferMarshaller();
      // Uses LevelDbOutputWriter wrapping GoogleCloudStorageFileOutputWriter rather than
      // GoogleCloudStorageLevelDbOutputWriter because the padding at the end of the slice is
      // unneeded as the file is being finalized.
      return new MarshallingOutputWriter<>(
          new LevelDbOutputWriter(new GoogleCloudStorageFileOutputWriter(
              new GcsFilename(bucket, fileName), MapReduceConstants.REDUCE_INPUT_MIME_TYPE)),
          Marshallers.getKeyValuesMarshaller(identity, identity));
    }

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