findMerges
open override fun findMerges(mergeTrigger: MergeTrigger?, segmentInfos: SegmentInfos?, mergeContext: MergePolicy.MergeContext?): MergePolicy.MergeSpecification?
Determine what set of merge operations are now necessary on the index. IndexWriter calls this whenever there is a change to the segments. This call is always synchronized on the IndexWriter instance so only one thread at a time will call this method.
Parameters
mergeTrigger
the event that triggered the merge
segmentInfos
the total set of segments in the index
mergeContext
the IndexWriter to find the merges on