output_thread.h 2.8 KB

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  1. /*
  2. * nvbio
  3. * Copyright (c) 2011-2014, NVIDIA CORPORATION. All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the NVIDIA CORPORATION nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  17. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. // output_thread.h
  28. //
  29. #pragma once
  30. #include "utils.h"
  31. #include <nvbio/basic/pipeline_context.h>
  32. #include <nvbio/io/sequence/sequence.h>
  33. #include <zlib/zlib.h>
  34. ///@addtogroup nvLighterModule
  35. ///@{
  36. /// A small class encapsulating the core data needed by all output threads,
  37. /// i.e. the output file and its relevant statistics
  38. ///
  39. struct OutputStageData : public SequenceStats
  40. {
  41. /// constructor
  42. ///
  43. ///\param file input sequence file
  44. ///\param max_strings maximum number of strings per batch
  45. ///\param max_bps maximum number of base pairs per batch
  46. ///
  47. OutputStageData(nvbio::io::SequenceDataOutputStream* file) : m_file( file ) {}
  48. nvbio::io::SequenceDataOutputStream* m_file;
  49. };
  50. ///
  51. /// A small class implementing an nvbio::Pipeline stage reading sequence batches from a file
  52. ///
  53. struct OutputStage
  54. {
  55. typedef nvbio::io::SequenceDataHost argument_type;
  56. /// empty constructor
  57. ///
  58. OutputStage() : data(NULL) {}
  59. /// constructor
  60. ///
  61. ///\param file input sequence file
  62. ///
  63. OutputStage(OutputStageData* _data) : data(_data) {}
  64. /// fill the next batch
  65. ///
  66. bool process(nvbio::PipelineContext& context);
  67. OutputStageData* data;
  68. };
  69. ///@} // group nvLighterModule