Hi Claude and all,
The method:
org.apache.commons.collections4.bloomfilter.BloomFilterExtractor.flatten()
is documented as always returning a BloomFilter:
/**
* Create a standard (non-layered) Bloom filter by merging all of the
layers. If
* the filter is empty this method will return an empty Bloom filter.
*
* @return the merged bloom filter.
*/
But that's not how it's coded, it can return null, the simplest reproducer is:
BloomFilterExtractor.fromBloomFilterArray(new BloomFilter[0]).flatten() -> null
Should we:
- Change the Javadoc
- Change the code
-- How should this code be changed?
-- Should the method be moved to BloomFilter and use "this" as the default
filter?
TY,
Gary
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