class ALExpressionWatcher

• Methods for ALExpressionWatcher:
  • ALExpressionWatcher::add

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ExpressionObject ALExpressionWatcher::add(const std::string& expression, const int& report_mode)
Adds a condition expression to ALExpressionWatcher engine.

Return an ExpressionObject that embeds some methods and a qi::Signal triggered each time the condition expression is valid with condition expression value.

Parameters: expression – condition expression in ConditionChecker language.

　　　　　　 report_mode – ALExpressionWatcher report mode, available modes:

　　　　　　 { REPORT_CHANGE = 0, REPORT_EDGE = 1, REPORT_EDGE_TRUE = 2 }.

　　　　　　 For further details see: report modes.

Returns: Correspondig ExpressionObject