ALExpressionWatcher API

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NAOqi Core - Overview | API | ExpressionObject API


Namespace : AL

Method list

class ALExpressionWatcher

Methods

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.

Note : this ExpressionObject should be kept alive as a variable otherwise the expression is not watched anymore. For further details, see: Example .

Parameters:
Returns:

Correspondig ExpressionObject .