HMessageQueue.h 5.2 KB

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  1. /***********************************************************
  2. * File generated by the HALCON-Compiler hcomp version 20.11
  3. * Usage: Interface to C++
  4. *
  5. * Software by: MVTec Software GmbH, www.mvtec.com
  6. ***********************************************************/
  7. #ifndef HCPP_HMESSAGEQUEUE
  8. #define HCPP_HMESSAGEQUEUE
  9. namespace HalconCpp
  10. {
  11. // Represents an instance of a message queue for inter-thread communication.
  12. class LIntExport HMessageQueue : public HHandle
  13. {
  14. public:
  15. // Copy constructor
  16. HMessageQueue(const HMessageQueue& source) : HHandle(source) {}
  17. // Copy constructor
  18. HMessageQueue(const HHandle& handle);
  19. // Create HMessageQueue from handle, taking ownership
  20. explicit HMessageQueue(Hlong handle);
  21. bool operator==(const HHandle& obj) const
  22. {
  23. return HHandleBase::operator==(obj);
  24. }
  25. bool operator!=(const HHandle& obj) const
  26. {
  27. return HHandleBase::operator!=(obj);
  28. }
  29. protected:
  30. // Verify matching semantic type ('message_queue')!
  31. virtual void AssertType(Hphandle handle) const;
  32. public:
  33. /*****************************************************************************
  34. * Operator-based class constructors
  35. *****************************************************************************/
  36. // create_message_queue: Create a new empty message queue.
  37. explicit HMessageQueue();
  38. /***************************************************************************
  39. * Operators *
  40. ***************************************************************************/
  41. // Query message queue parameters or information about the queue.
  42. HTuple GetMessageQueueParam(const HTuple& GenParamName) const;
  43. // Query message queue parameters or information about the queue.
  44. HTuple GetMessageQueueParam(const HString& GenParamName) const;
  45. // Query message queue parameters or information about the queue.
  46. HTuple GetMessageQueueParam(const char* GenParamName) const;
  47. #ifdef _WIN32
  48. // Query message queue parameters or information about the queue.
  49. HTuple GetMessageQueueParam(const wchar_t* GenParamName) const;
  50. #endif
  51. // Set message queue parameters or invoke commands on the queue.
  52. void SetMessageQueueParam(const HTuple& GenParamName, const HTuple& GenParamValue) const;
  53. // Set message queue parameters or invoke commands on the queue.
  54. void SetMessageQueueParam(const HString& GenParamName, const HTuple& GenParamValue) const;
  55. // Set message queue parameters or invoke commands on the queue.
  56. void SetMessageQueueParam(const char* GenParamName, const HTuple& GenParamValue) const;
  57. #ifdef _WIN32
  58. // Set message queue parameters or invoke commands on the queue.
  59. void SetMessageQueueParam(const wchar_t* GenParamName, const HTuple& GenParamValue) const;
  60. #endif
  61. // Receive one or more messages from the message queue.
  62. HMessageArray DequeueMessage(const HTuple& GenParamName, const HTuple& GenParamValue) const;
  63. // Receive one or more messages from the message queue.
  64. HMessage DequeueMessage(const HString& GenParamName, const HTuple& GenParamValue) const;
  65. // Receive one or more messages from the message queue.
  66. HMessage DequeueMessage(const char* GenParamName, const HTuple& GenParamValue) const;
  67. #ifdef _WIN32
  68. // Receive one or more messages from the message queue.
  69. HMessage DequeueMessage(const wchar_t* GenParamName, const HTuple& GenParamValue) const;
  70. #endif
  71. // Enqueue one or more messages to the message queue.
  72. void EnqueueMessage(const HMessageArray& MessageHandle, const HTuple& GenParamName, const HTuple& GenParamValue) const;
  73. // Enqueue one or more messages to the message queue.
  74. void EnqueueMessage(const HMessage& MessageHandle, const HTuple& GenParamName, const HTuple& GenParamValue) const;
  75. // Close a message queue handle and release all associated resources.
  76. static void ClearMessageQueue(const HMessageQueueArray& QueueHandle);
  77. // Close a message queue handle and release all associated resources.
  78. void ClearMessageQueue() const;
  79. // Create a new empty message queue.
  80. void CreateMessageQueue();
  81. };
  82. // forward declarations and types for internal array implementation
  83. template<class T> class HSmartPtr;
  84. template<class T> class HHandleBaseArrayRef;
  85. typedef HHandleBaseArrayRef<HMessageQueue> HMessageQueueArrayRef;
  86. typedef HSmartPtr< HMessageQueueArrayRef > HMessageQueueArrayPtr;
  87. // Represents multiple tool instances
  88. class LIntExport HMessageQueueArray : public HHandleBaseArray
  89. {
  90. public:
  91. // Create empty array
  92. HMessageQueueArray();
  93. // Create array from native array of tool instances
  94. HMessageQueueArray(HMessageQueue* classes, Hlong length);
  95. // Copy constructor
  96. HMessageQueueArray(const HMessageQueueArray &tool_array);
  97. // Destructor
  98. virtual ~HMessageQueueArray();
  99. // Assignment operator
  100. HMessageQueueArray &operator=(const HMessageQueueArray &tool_array);
  101. // Clears array and all tool instances
  102. virtual void Clear();
  103. // Get array of native tool instances
  104. const HMessageQueue* Tools() const;
  105. // Get number of tools
  106. virtual Hlong Length() const;
  107. // Create tool array from tuple of handles
  108. virtual void SetFromTuple(const HTuple& handles);
  109. // Get tuple of handles for tool array
  110. virtual HTuple ConvertToTuple() const;
  111. protected:
  112. // Smart pointer to internal data container
  113. HMessageQueueArrayPtr *mArrayPtr;
  114. };
  115. }
  116. #endif