org.apache.solr.util
Class RandomMergePolicy

java.lang.Object
  org.apache.lucene.index.MergePolicy
      org.apache.solr.util.RandomMergePolicy

All Implemented Interfaces:

Closeable, Cloneable

public final class RandomMergePolicy
extends org.apache.lucene.index.MergePolicy

A MergePolicy with a no-arg constructor that proxies to a wrapped instance retrieved from LuceneTestCase.newMergePolicy(java.util.Random). Solr tests utilizing the Lucene randomized test framework can refer to this class in solrconfig.xml to get a fully randomized merge policy.

Nested Class Summary

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

org.apache.lucene.index.MergePolicy.DocMap, org.apache.lucene.index.MergePolicy.MergeAbortedException, org.apache.lucene.index.MergePolicy.MergeException, org.apache.lucene.index.MergePolicy.MergeSpecification, org.apache.lucene.index.MergePolicy.MergeTrigger, org.apache.lucene.index.MergePolicy.OneMerge

Field Summary

static org.slf4j.Logger

log

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

DEFAULT_MAX_CFS_SEGMENT_SIZE, DEFAULT_NO_CFS_RATIO, maxCFSSegmentSize, noCFSRatio, writer

Constructor Summary

RandomMergePolicy()

Method Summary

RandomMergePolicy	clone()
void	close()
org.apache.lucene.index.MergePolicy.MergeSpecification	findForcedDeletesMerges(org.apache.lucene.index.SegmentInfos segmentInfos)
org.apache.lucene.index.MergePolicy.MergeSpecification	findForcedMerges(org.apache.lucene.index.SegmentInfos segmentInfos, int maxSegmentCount, Map<org.apache.lucene.index.SegmentInfoPerCommit,Boolean> segmentsToMerge)
org.apache.lucene.index.MergePolicy.MergeSpecification	findMerges(org.apache.lucene.index.MergePolicy.MergeTrigger mergeTrigger, org.apache.lucene.index.SegmentInfos segmentInfos)
void	setIndexWriter(org.apache.lucene.index.IndexWriter writer)
boolean	useCompoundFile(org.apache.lucene.index.SegmentInfos infos, org.apache.lucene.index.SegmentInfoPerCommit mergedInfo)

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

getMaxCFSSegmentSizeMB, getNoCFSRatio, isMerged, setMaxCFSSegmentSizeMB, setNoCFSRatio, size

Methods inherited from class java.lang.Object

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

Field Detail

log

public static org.slf4j.Logger log

Constructor Detail

RandomMergePolicy

public RandomMergePolicy()

Method Detail

clone

public RandomMergePolicy clone()

Overrides:

clone in class org.apache.lucene.index.MergePolicy

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in class org.apache.lucene.index.MergePolicy

findForcedDeletesMerges

public org.apache.lucene.index.MergePolicy.MergeSpecification findForcedDeletesMerges(org.apache.lucene.index.SegmentInfos segmentInfos)
                                                                               throws IOException

Specified by:

findForcedDeletesMerges in class org.apache.lucene.index.MergePolicy

Throws:

IOException

findForcedMerges

public org.apache.lucene.index.MergePolicy.MergeSpecification findForcedMerges(org.apache.lucene.index.SegmentInfos segmentInfos,
                                                                               int maxSegmentCount,
                                                                               Map<org.apache.lucene.index.SegmentInfoPerCommit,Boolean> segmentsToMerge)
                                                                        throws IOException

Specified by:

findForcedMerges in class org.apache.lucene.index.MergePolicy

Throws:

IOException

findMerges

public org.apache.lucene.index.MergePolicy.MergeSpecification findMerges(org.apache.lucene.index.MergePolicy.MergeTrigger mergeTrigger,
                                                                         org.apache.lucene.index.SegmentInfos segmentInfos)
                                                                  throws IOException

Specified by:

findMerges in class org.apache.lucene.index.MergePolicy

Throws:

IOException

setIndexWriter

public void setIndexWriter(org.apache.lucene.index.IndexWriter writer)

Overrides:

setIndexWriter in class org.apache.lucene.index.MergePolicy

useCompoundFile

public boolean useCompoundFile(org.apache.lucene.index.SegmentInfos infos,
                               org.apache.lucene.index.SegmentInfoPerCommit mergedInfo)
                        throws IOException

Overrides:

useCompoundFile in class org.apache.lucene.index.MergePolicy

Throws:

IOException