介绍

当流程运行到并行网关，会将流程分成多条分支，也能够把多条分支汇聚到一起

并行网关根据流向支持两种情况：

  1. 分支： 从并行网关向后流出，为所有后继顺序流创建分支

  2. 汇聚： 在此等待，直到所有前继顺序流分支都到达以后，流程才会通过该并行网关

演示

并行网关

JSON规范

  1. 1{
  2. 2  nodes: [
  3. 3    {
  4. 4      id: 'startEvent_1',
  5. 5      name: 'Start',
  6. 6      type: 'startEventNone',
  7. 7    },
  8. 8    // 并行网关-分支
  9. 9    {
  10. 10      id: 'gateway_1',
  11. 11      name: 'Gateway Parallel(out)',
  12. 12      type: 'gatewayParallel',
  13. 13    },
  14. 14    {
  15. 15      id: 'activity_1',
  16. 16      name: 'ActivityNone',
  17. 17      type: 'activityNone',
  18. 18    },
  19. 19    {
  20. 20      id: 'activity_2',
  21. 21      name: 'ActivityNone',
  22. 22      type: 'activityNone',
  23. 23    },
  24. 24    // 并行网关-汇聚
  25. 25    {
  26. 26      id: 'gateway_2',
  27. 27      name: 'Gateway Parallel(in)',
  28. 28      type: 'gatewayParallel',
  29. 29    },
  30. 30    {
  31. 31      id: 'endEvent_1',
  32. 32      name: 'End',
  33. 33      type: 'endEventNone',
  34. 34    },
  35. 35  ],
  36. 36  edges: [
  37. 37    {
  38. 38      id: 'edge_1',
  39. 39      name: '',
  40. 40      source: 'startEvent_1',
  41. 41      target: 'gateway_1',
  42. 42    },
  43. 43    // 后继顺序流
  44. 44    {
  45. 45      id: 'edge_2',
  46. 46      name: '',
  47. 47      source: 'gateway_1',
  48. 48      target: 'activity_1',
  49. 49    },
  50. 50    // 后继顺序流
  51. 51    {
  52. 52      id: 'edge_3',
  53. 53      name: '',
  54. 54      source: 'gateway_1',
  55. 55      target: 'activity_2',
  56. 56    },
  57. 57    // 前继顺序流
  58. 58    {
  59. 59      id: 'edge_4',
  60. 60      name: '',
  61. 61      source: 'activity_1',
  62. 62      target: 'gateway_2',
  63. 63    },
  64. 64    // 前继顺序流
  65. 65    {
  66. 66      id: 'edge_5',
  67. 67      name: '',
  68. 68      source: 'activity_2',
  69. 69      target: 'gateway_2',
  70. 70    },
  71. 71    {
  72. 72      id: 'edge_6',
  73. 73      name: '',
  74. 74      source: 'gateway_2',
  75. 75      target: 'endEvent_1',
  76. 76    },
  77. 77  ],
  78. 78},
  • node
名称 说明
id gateway_1，节点Id
name Gateway Parallel(out)，节点名称
type gatewayParallel，表示该节点类型为并行网关