org.apache.ignite.internal.processors.query.stat

Class IgniteStatisticsManagerImpl

java.lang.Object

org.apache.ignite.internal.processors.query.stat.IgniteStatisticsManagerImpl

All Implemented Interfaces:

IgniteStatisticsManager

public class IgniteStatisticsManagerImpl
extends Object
implements IgniteStatisticsManager

Statistics manager implementation.

Constructor Summary

Constructors

Constructor and Description
IgniteStatisticsManagerImpl(GridKernalContext ctx, SchemaManager schemaMgr) Constructor.

Method Summary

Modifier and Type	Method and Description
void	collectStatistics(StatisticsObjectConfiguration... targets)
void	dropAll()
void	dropStatistics(StatisticsTarget... targets)
void	ensureActive(String op) Check that cluster is active.
ObjectStatistics	getLocalStatistics(StatisticsKey key)
void	onRowUpdated(String schemaName, String objName, int partId, byte[] keyBytes)
void	processObsolescence() Save dirty obsolescence info to local metastore.
void	refreshStatistics(StatisticsTarget... targets)
IgniteStatisticsConfigurationManager	statisticConfiguration()
IgniteStatisticsRepository	statisticsRepository()
void	stop()
StatisticsUsageState	usageState()
void	usageState(StatisticsUsageState state)

Methods inherited from class java.lang.Object

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

Constructor Detail

IgniteStatisticsManagerImpl

public IgniteStatisticsManagerImpl(GridKernalContext ctx,
                                   SchemaManager schemaMgr)

Constructor.

Parameters:

ctx - Kernal context.

schemaMgr - Schema manager.

Method Detail

statisticsRepository

public IgniteStatisticsRepository statisticsRepository()

Returns:

Statistics repository.

getLocalStatistics

public ObjectStatistics getLocalStatistics(StatisticsKey key)

Specified by:

getLocalStatistics in interface IgniteStatisticsManager

collectStatistics

public void collectStatistics(StatisticsObjectConfiguration... targets)
                       throws IgniteCheckedException

Specified by:

collectStatistics in interface IgniteStatisticsManager

Throws:

IgniteCheckedException

dropStatistics

public void dropStatistics(StatisticsTarget... targets)
                    throws IgniteCheckedException

Specified by:

dropStatistics in interface IgniteStatisticsManager

Throws:

IgniteCheckedException

refreshStatistics

public void refreshStatistics(StatisticsTarget... targets)
                       throws IgniteCheckedException

Specified by:

refreshStatistics in interface IgniteStatisticsManager

Throws:

IgniteCheckedException

dropAll

public void dropAll()

Specified by:

dropAll in interface IgniteStatisticsManager

stop

public void stop()

Specified by:

stop in interface IgniteStatisticsManager

statisticConfiguration

public IgniteStatisticsConfigurationManager statisticConfiguration()

Returns:

Statistics configuration manager.

usageState

public void usageState(StatisticsUsageState state)

Specified by:

usageState in interface IgniteStatisticsManager

usageState

public StatisticsUsageState usageState()

Specified by:

usageState in interface IgniteStatisticsManager

onRowUpdated

public void onRowUpdated(String schemaName,
                         String objName,
                         int partId,
                         byte[] keyBytes)

Specified by:

onRowUpdated in interface IgniteStatisticsManager

processObsolescence

public void processObsolescence()

Save dirty obsolescence info to local metastore. Check if statistics need to be refreshed and schedule it. 1) Get all dirty partition statistics. 2) Make separate tasks for each key to avoid saving obsolescence info for removed partition (race). 3) Check if partition should be recollected and add it to list in its tables task. 4) Submit tasks. Actually obsolescence info will be stored during task processing.

ensureActive

public void ensureActive(String op)

Check that cluster is active.

Parameters:

op - Operation name.