org.apache.solr.update
Class VersionInfo

java.lang.Object
  org.apache.solr.update.VersionInfo

public class VersionInfo
extends Object

Field Summary

static String

VERSION_FIELD

Constructor Summary

VersionInfo(UpdateLog ulog, int nBuckets)

Method Summary

void	blockUpdates()
VersionBucket	bucket(int hash)
static SchemaField	getAndCheckVersionField(IndexSchema schema) Gets and returns the VERSION_FIELD from the specified schema, after verifying that it is indexed, stored, and single-valued.
long	getNewClock()
long	getOldClock()
SchemaField	getVersionField()
Long	getVersionFromIndex(BytesRef idBytes)
void	lockForUpdate()
Long	lookupVersion(BytesRef idBytes)
void	reload()
void	unblockUpdates()
void	unlockForUpdate()
void	updateClock(long clock)

Methods inherited from class java.lang.Object

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

Field Detail

VERSION_FIELD

public static final String VERSION_FIELD

See Also:

Constant Field Values

Constructor Detail

VersionInfo

public VersionInfo(UpdateLog ulog,
                   int nBuckets)

Method Detail

getAndCheckVersionField

public static SchemaField getAndCheckVersionField(IndexSchema schema)
                                           throws SolrException

Gets and returns the VERSION_FIELD from the specified schema, after verifying that it is indexed, stored, and single-valued. If any of these pre-conditions are not met, it throws a SolrException with a user suitable message indicating the problem.

Throws:

SolrException

reload

public void reload()

getVersionField

public SchemaField getVersionField()

lockForUpdate

public void lockForUpdate()

unlockForUpdate

public void unlockForUpdate()

blockUpdates

public void blockUpdates()

unblockUpdates

public void unblockUpdates()

getNewClock

public long getNewClock()

getOldClock

public long getOldClock()

updateClock

public void updateClock(long clock)

bucket

public VersionBucket bucket(int hash)

lookupVersion

public Long lookupVersion(BytesRef idBytes)

getVersionFromIndex

public Long getVersionFromIndex(BytesRef idBytes)