https://issues.apache.org/bugzilla/show_bug.cgi?id=55195
Bug ID: 55195
Summary: MultiOperandNumericFunction.collectValue() currently
uses concrete final classes but should use interfaces
instead
Product: POI
Version: 3.9
Hardware: PC
OS: Mac OS X 10.4
Status: NEW
Severity: normal
Priority: P2
Component: XSSF
Assignee: [email protected]
Reporter: [email protected]
Currently:
if (ve instanceof NumberEval) {
NumberEval ne = (NumberEval) ve;
temp.add(ne.getNumberValue());
return;
}
Instead, it should be:
if (ve instanceof NumericValueEval) {
NumericValueEval ne = (NumericValueEval) ve;
temp.add(ne.getNumberValue());
return;
}
Same is true for StringEval vs. StringValueEval.
While the current approach technically works, it provides no ability to provide
custom implementations of return values from user defined functions.
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