partition.hpp 2.3 KB

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  1. /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
  2. *
  3. * Gearmand client and server library.
  4. *
  5. * Copyright (C) 2011 Data Differential, http://datadifferential.com/
  6. * All rights reserved.
  7. *
  8. * Redistribution and use in source and binary forms, with or without
  9. * modification, are permitted provided that the following conditions are
  10. * met:
  11. *
  12. * * Redistributions of source code must retain the above copyright
  13. * notice, this list of conditions and the following disclaimer.
  14. *
  15. * * Redistributions in binary form must reproduce the above
  16. * copyright notice, this list of conditions and the following disclaimer
  17. * in the documentation and/or other materials provided with the
  18. * distribution.
  19. *
  20. * * The names of its contributors may not be used to endorse or
  21. * promote products derived from this software without specific prior
  22. * written permission.
  23. *
  24. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35. *
  36. */
  37. #pragma once
  38. /*
  39. Partition function
  40. */
  41. class Partition: public _worker_function_st
  42. {
  43. gearman_function_fn *_partition_fn;
  44. gearman_aggregator_fn *aggregator_fn;
  45. public:
  46. Partition(const gearman_function_t &function_,
  47. gearman_function_fn *partition_fn_arg, gearman_aggregator_fn *aggregator_fn_arg,
  48. void *context_arg) :
  49. _worker_function_st(function_, context_arg),
  50. _partition_fn(partition_fn_arg),
  51. aggregator_fn(aggregator_fn_arg)
  52. { }
  53. bool has_callback() const
  54. {
  55. return bool(_partition_fn);
  56. }
  57. gearman_function_error_t callback(gearman_job_st* job, void *context_arg);
  58. };