\hypertarget{classkdb_1_1ValueObserver}{\section{kdb\+:\+:Value\+Observer Class Reference}
\label{classkdb_1_1ValueObserver}\index{kdb\+::\+Value\+Observer@{kdb\+::\+Value\+Observer}}
}


Base class for values to be observed.  




{\ttfamily \#include $<$kdbvalue.\+hpp$>$}



Inherited by kdb\+::\+Value$<$ T, Policy\+Setter1, Policy\+Setter2, Policy\+Setter3, Policy\+Setter4, Policy\+Setter5, Policy\+Setter6 $>$.



\subsection{Detailed Description}
Base class for values to be observed. 

update\+Context() is called whenever a context tells a value that it should reevaluate its name and update its cache. 

The documentation for this class was generated from the following file\+:\begin{DoxyCompactItemize}
\item 
\hyperlink{kdbvalue_8hpp}{kdbvalue.\+hpp}\end{DoxyCompactItemize}
