TIBCO Adapter SDK C++ Reference
MInstance::isNullData
MInstance
Checks whether the value of the named attribute is null.
Parameters
Parameters Description
const MString& rsAttributeName Name of the attribute in this instance for which you want to check whether it has been explicitly set to NULL.
Return Value
This method returns FALSE if no value has been explicitly set, or if MInstance::unset() has been called. It only returns true if the NULL value has been set explicitly.
Exceptions
MExceptin is thrown if the named attribute does not exist in this instance.
Declaration
virtual Mboolean isNullData(const MString& rsAttributeName) const throw(MException);
Links
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