org.apache.lucene.index

Class ForceMergePolicy

java.lang.Object

org.apache.lucene.index.MergePolicy

org.apache.lucene.index.FilterMergePolicy

org.apache.lucene.index.ForceMergePolicy

public final class ForceMergePolicy
extends FilterMergePolicy

A MergePolicy that only returns forced merges.

NOTE: Use this policy if you wish to disallow background merges but wish to run optimize/forceMerge segment merges.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.index.MergePolicy

MergePolicy.MergeAbortedException, MergePolicy.MergeContext, MergePolicy.MergeException, MergePolicy.MergeSpecification, MergePolicy.OneMerge, MergePolicy.OneMergeProgress

Field Summary

Fields inherited from class org.apache.lucene.index.FilterMergePolicy

in

Fields inherited from class org.apache.lucene.index.MergePolicy

DEFAULT_MAX_CFS_SEGMENT_SIZE, DEFAULT_NO_CFS_RATIO, maxCFSSegmentSize, noCFSRatio

Constructor Summary

Constructors

Constructor and Description
ForceMergePolicy(MergePolicy in) Create a new ForceMergePolicy around the given MergePolicy

Method Summary

Modifier and Type	Method and Description
MergePolicy.MergeSpecification	findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)

Methods inherited from class org.apache.lucene.index.FilterMergePolicy

findForcedDeletesMerges, findForcedMerges, findFullFlushMerges, getMaxCFSSegmentSizeMB, getNoCFSRatio, keepFullyDeletedSegment, numDeletesToMerge, setMaxCFSSegmentSizeMB, setNoCFSRatio, size, toString, useCompoundFile

Methods inherited from class org.apache.lucene.index.MergePolicy

assertDelCount, isMerged, message, segString, verbose

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ForceMergePolicy

public ForceMergePolicy(MergePolicy in)

Create a new ForceMergePolicy around the given MergePolicy

Method Detail

findMerges

public MergePolicy.MergeSpecification findMerges(MergeTrigger mergeTrigger,
                                                 SegmentInfos segmentInfos,
                                                 MergePolicy.MergeContext mergeContext)
                                          throws IOException

Overrides:

findMerges in class FilterMergePolicy

Throws:

IOException