org.apache.solr.update

Class IndexFingerprint

java.lang.Object

org.apache.solr.update.IndexFingerprint

All Implemented Interfaces:

MapSerializable

public class IndexFingerprint
extends Object
implements MapSerializable

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Constructor Summary

Constructors

Constructor and Description
IndexFingerprint()
IndexFingerprint(long maxVersionSpecified)

Method Summary

Modifier and Type	Method and Description
static int	compare(IndexFingerprint f1, IndexFingerprint f2) returns 0 for equal, negative if f1 is less recent than f2, positive if more recent
static IndexFingerprint	fromObject(Object o) Create an IndexFingerprint object from a deserialized generic object (Map or NamedList)
static IndexFingerprint	getFingerprint(SolrCore core, long maxVersion) Opens a new realtime searcher and returns it's (possibly cached) fingerprint
static IndexFingerprint	getFingerprint(SolrIndexSearcher searcher, LeafReaderContext ctx, Long maxVersion)
long	getMaxDoc()
long	getMaxInHash()
long	getMaxVersionEncountered()
long	getMaxVersionSpecified()
long	getNumDocs()
long	getNumVersions()
long	getVersionsHash()
static IndexFingerprint	reduce(IndexFingerprint acc, IndexFingerprint f2)
Map<String,Object>	toMap(Map<String,Object> map)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexFingerprint

public IndexFingerprint()

IndexFingerprint

public IndexFingerprint(long maxVersionSpecified)

Method Detail

getMaxVersionSpecified

public long getMaxVersionSpecified()

getMaxVersionEncountered

public long getMaxVersionEncountered()

getMaxInHash

public long getMaxInHash()

getVersionsHash

public long getVersionsHash()

getNumVersions

public long getNumVersions()

getNumDocs

public long getNumDocs()

getMaxDoc

public long getMaxDoc()

getFingerprint

public static IndexFingerprint getFingerprint(SolrCore core,
                                              long maxVersion)
                                       throws IOException

Opens a new realtime searcher and returns it's (possibly cached) fingerprint

Throws:

IOException

getFingerprint

public static IndexFingerprint getFingerprint(SolrIndexSearcher searcher,
                                              LeafReaderContext ctx,
                                              Long maxVersion)
                                       throws IOException

Throws:

IOException

reduce

public static IndexFingerprint reduce(IndexFingerprint acc,
                                      IndexFingerprint f2)

compare

public static int compare(IndexFingerprint f1,
                          IndexFingerprint f2)

returns 0 for equal, negative if f1 is less recent than f2, positive if more recent

toMap

public Map<String,Object> toMap(Map<String,Object> map)

Specified by:

toMap in interface MapSerializable

fromObject

public static IndexFingerprint fromObject(Object o)

Create an IndexFingerprint object from a deserialized generic object (Map or NamedList)

toString

public String toString()

Overrides:

toString in class Object