https://bz.apache.org/bugzilla/show_bug.cgi?id=59734
Bug ID: 59734
Summary: Named range creation & lookup are linear in the number
of ranges
Product: POI
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: XSSF
Assignee: [email protected]
Reporter: [email protected]
XSSFName.setNameName and XSSFWorkbook.getName both involve a linear iteration
through all names already in the workbook. This is a major performance
bottleneck for an application creating lots of named ranges.
I'll shortly attach a suggested patch which does the obvious thing and adds a
map to do fast lookup.
I'll also propose deprecating the methods on Workbook which operate in an
index-based manner and replacing them with ones based on names.
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