Package org.apache.solr.update

Class IndexFingerprint

java.lang.Object

org.apache.solr.update.IndexFingerprint

All Implemented Interfaces:

org.apache.solr.common.MapWriter, org.apache.solr.common.NavigableObject, org.noggit.JSONWriter.Writable

public class IndexFingerprint
extends Object
implements org.apache.solr.common.MapWriter

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

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.solr.common.MapWriter

org.apache.solr.common.MapWriter.EntryWriter

Constructor Summary

Constructors

Constructor	Description
IndexFingerprint()
IndexFingerprint(long maxVersionSpecified)

Method Summary

Modifier and Type	Method	Description
static int	compare(IndexFingerprint f1, IndexFingerprint f2)	returns 0 for equal, negative if f1 is less recent than f2, positive if more recent
boolean	equals(Object o)
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, org.apache.lucene.index.LeafReaderContext ctx, Long maxVersion)
long	getMaxDoc()
long	getMaxInHash()
long	getMaxVersionEncountered()
long	getMaxVersionSpecified()
long	getNumDocs()
long	getNumVersions()
long	getVersionsHash()
int	hashCode()
static IndexFingerprint	reduce(IndexFingerprint acc, IndexFingerprint f2)
String	toString()
void	writeMap(org.apache.solr.common.MapWriter.EntryWriter ew)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.solr.common.MapWriter

jsonStr, write

Methods inherited from interface org.apache.solr.common.NavigableObject

_forEachEntry, _forEachEntry, _get, _get, _getStr, _getStr, _size

Constructor Details

IndexFingerprint

public IndexFingerprint()

IndexFingerprint

public IndexFingerprint(long maxVersionSpecified)

Method Details

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,
 org.apache.lucene.index.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

writeMap

public void writeMap(org.apache.solr.common.MapWriter.EntryWriter ew)
              throws IOException

Specified by:

writeMap in interface org.apache.solr.common.MapWriter

Throws:

IOException

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

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object