org.apache.solr.update
Class UpdateLog

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

All Implemented Interfaces:

PluginInfoInitialized

public class UpdateLog
extends Object
implements PluginInfoInitialized

WARNING: This API is experimental and might change in incompatible ways in the next release.

Nested Class Summary

class	UpdateLog.DBQ
static class	UpdateLog.LogPtr
class	UpdateLog.RecentUpdates
static class	UpdateLog.RecoveryInfo
static class	UpdateLog.State
static class	UpdateLog.SyncLevel

Field Summary

static int	ADD
static int	COMMIT
boolean	debug
static int	DELETE
static int	DELETE_BY_QUERY
static int	FLAG_GAP
static org.slf4j.Logger	log
static String	LOG_FILENAME_PATTERN
int	numRecordsToKeep
static int	OPERATION_MASK
static Runnable	testing_logReplayFinishHook
static Runnable	testing_logReplayHook
static String	TLOG_NAME
boolean	trace

Constructor Summary

UpdateLog()

Method Summary

void	add(AddUpdateCommand cmd)
void	add(AddUpdateCommand cmd, boolean clearCaches)
Future<UpdateLog.RecoveryInfo>	applyBufferedUpdates() Returns the Future to wait on, or null if no replay was needed
void	bufferUpdates()
void	cancelApplyBufferedUpdates()
void	close(boolean committed)
void	close(boolean committed, boolean deleteOnClose)
void	delete(DeleteUpdateCommand cmd)
void	deleteAll() currently for testing only
void	deleteByQuery(DeleteUpdateCommand cmd)
static void	deleteFile(File file)
boolean	dropBufferedUpdates() Returns true if we were able to drop buffered updates and return to the ACTIVE state
void	finish(UpdateLog.SyncLevel syncLevel)
List<UpdateLog.DBQ>	getDBQNewer(long version)
long	getLastLogId()
File	getLogDir()
static String[]	getLogList(File directory)
UpdateLog.RecentUpdates	getRecentUpdates()
int	getStartingOperation()
List<Long>	getStartingVersions()
UpdateLog.State	getState()
static File	getTlogDir(SolrCore core, PluginInfo info)
VersionInfo	getVersionInfo()
boolean	hasUncommittedChanges()
void	init(PluginInfo info)
void	init(UpdateHandler uhandler, SolrCore core)
Object	lookup(BytesRef indexedId)
Long	lookupVersion(BytesRef indexedId)
void	postCommit(CommitUpdateCommand cmd)
void	postSoftCommit(CommitUpdateCommand cmd)
void	preCommit(CommitUpdateCommand cmd)
void	preSoftCommit(CommitUpdateCommand cmd)
Future<UpdateLog.RecoveryInfo>	recoverFromLog()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

LOG_FILENAME_PATTERN

public static String LOG_FILENAME_PATTERN

TLOG_NAME

public static String TLOG_NAME

log

public static org.slf4j.Logger log

debug

public boolean debug

trace

public boolean trace

ADD

public static final int ADD

See Also:

Constant Field Values

DELETE

public static final int DELETE

See Also:

Constant Field Values

DELETE_BY_QUERY

public static final int DELETE_BY_QUERY

See Also:

Constant Field Values

COMMIT

public static final int COMMIT

See Also:

Constant Field Values

FLAG_GAP

public static final int FLAG_GAP

See Also:

Constant Field Values

OPERATION_MASK

public static final int OPERATION_MASK

See Also:

Constant Field Values

numRecordsToKeep

public final int numRecordsToKeep

See Also:

Constant Field Values

testing_logReplayHook

public static Runnable testing_logReplayHook

testing_logReplayFinishHook

public static Runnable testing_logReplayFinishHook

Constructor Detail

UpdateLog

public UpdateLog()

Method Detail

getVersionInfo

public VersionInfo getVersionInfo()

init

public void init(PluginInfo info)

Specified by:

init in interface PluginInfoInitialized

init

public void init(UpdateHandler uhandler,
                 SolrCore core)

getLogDir

public File getLogDir()

getStartingVersions

public List<Long> getStartingVersions()

getStartingOperation

public int getStartingOperation()

getLogList

public static String[] getLogList(File directory)

getLastLogId

public long getLastLogId()

add

public void add(AddUpdateCommand cmd)

add

public void add(AddUpdateCommand cmd,
                boolean clearCaches)

delete

public void delete(DeleteUpdateCommand cmd)

deleteByQuery

public void deleteByQuery(DeleteUpdateCommand cmd)

deleteAll

public void deleteAll()

currently for testing only

getDBQNewer

public List<UpdateLog.DBQ> getDBQNewer(long version)

hasUncommittedChanges

public boolean hasUncommittedChanges()

preCommit

public void preCommit(CommitUpdateCommand cmd)

postCommit

public void postCommit(CommitUpdateCommand cmd)

preSoftCommit

public void preSoftCommit(CommitUpdateCommand cmd)

postSoftCommit

public void postSoftCommit(CommitUpdateCommand cmd)

lookup

public Object lookup(BytesRef indexedId)

lookupVersion

public Long lookupVersion(BytesRef indexedId)

finish

public void finish(UpdateLog.SyncLevel syncLevel)

recoverFromLog

public Future<UpdateLog.RecoveryInfo> recoverFromLog()

close

public void close(boolean committed)

close

public void close(boolean committed,
                  boolean deleteOnClose)

getRecentUpdates

public UpdateLog.RecentUpdates getRecentUpdates()

bufferUpdates

public void bufferUpdates()

dropBufferedUpdates

public boolean dropBufferedUpdates()

Returns true if we were able to drop buffered updates and return to the ACTIVE state

applyBufferedUpdates

public Future<UpdateLog.RecoveryInfo> applyBufferedUpdates()

Returns the Future to wait on, or null if no replay was needed

getState

public UpdateLog.State getState()

toString

public String toString()

Overrides:

toString in class Object

cancelApplyBufferedUpdates

public void cancelApplyBufferedUpdates()

deleteFile

public static void deleteFile(File file)

getTlogDir

public static File getTlogDir(SolrCore core,
                              PluginInfo info)