org.apache.solr.util

Class RandomMergePolicy

java.lang.Object

org.apache.lucene.index.MergePolicy

org.apache.solr.util.RandomMergePolicy

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.OneMerge

Field Summary

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
RandomMergePolicy()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.lucene.index.MergePolicy.MergeSpecification	findForcedDeletesMerges(org.apache.lucene.index.SegmentInfos segmentInfos, org.apache.lucene.index.IndexWriter writer)
org.apache.lucene.index.MergePolicy.MergeSpecification	findForcedMerges(org.apache.lucene.index.SegmentInfos segmentInfos, int maxSegmentCount, Map<org.apache.lucene.index.SegmentCommitInfo,Boolean> segmentsToMerge, org.apache.lucene.index.IndexWriter writer)
org.apache.lucene.index.MergePolicy.MergeSpecification	findMerges(org.apache.lucene.index.MergeTrigger mergeTrigger, org.apache.lucene.index.SegmentInfos segmentInfos, org.apache.lucene.index.IndexWriter writer)
boolean	useCompoundFile(org.apache.lucene.index.SegmentInfos infos, org.apache.lucene.index.SegmentCommitInfo mergedInfo, org.apache.lucene.index.IndexWriter writer)

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

getMaxCFSSegmentSizeMB, getNoCFSRatio, isMerged, setMaxCFSSegmentSizeMB, setNoCFSRatio, size

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomMergePolicy

public RandomMergePolicy()

Method Detail

findForcedDeletesMerges

public org.apache.lucene.index.MergePolicy.MergeSpecification findForcedDeletesMerges(org.apache.lucene.index.SegmentInfos segmentInfos,
                                                                             org.apache.lucene.index.IndexWriter writer)
                                                                               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.SegmentCommitInfo,Boolean> segmentsToMerge,
                                                                      org.apache.lucene.index.IndexWriter writer)
                                                                        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.MergeTrigger mergeTrigger,
                                                                org.apache.lucene.index.SegmentInfos segmentInfos,
                                                                org.apache.lucene.index.IndexWriter writer)
                                                                  throws IOException

Specified by:

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

Throws:

IOException

useCompoundFile

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

Overrides:

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

Throws:

IOException