Package io.github.mfvanek.pg.common.management

Class DatabaseManagementImpl

java.lang.Object

io.github.mfvanek.pg.common.management.DatabaseManagementImpl

All Implemented Interfaces:

DatabaseManagement, ConfigurationAware, StatisticsAware

public class DatabaseManagementImpl
extends Object
implements DatabaseManagement

Implementation of DatabaseManagement.

See Also:

• StatisticsMaintenanceOnHost
• ConfigurationMaintenanceOnHost

Constructor Summary

Constructors

Constructor	Description
DatabaseManagementImpl(HighAvailabilityPgConnection haPgConnection, Function<PgConnection,StatisticsMaintenanceOnHost> statisticsOnHostFactory, Function<PgConnection,ConfigurationMaintenanceOnHost> configurationOnHostFactory)

Method Summary

Modifier and Type	Method	Description
Optional<OffsetDateTime>	getLastStatsResetTimestamp()	Gets time at which database statistics were last reset on the primary host.
Set<PgParam>	getParamsCurrentValues()
Set<PgParam>	getParamsWithDefaultValues(ServerSpecification specification)
boolean	resetStatistics()	Reset all statistics counters on all hosts in the cluster to zero.

Methods inherited from class java.lang.Object

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

Constructor Details

DatabaseManagementImpl

public DatabaseManagementImpl(@Nonnull
 HighAvailabilityPgConnection haPgConnection,
 @Nonnull
 Function<PgConnection,StatisticsMaintenanceOnHost> statisticsOnHostFactory,
 @Nonnull
 Function<PgConnection,ConfigurationMaintenanceOnHost> configurationOnHostFactory)

Method Details

resetStatistics

public boolean resetStatistics()

Reset all statistics counters on all hosts in the cluster to zero.

It is safe running this method on your database. It just reset counters without any impact on performance.

Specified by:

resetStatistics in interface DatabaseManagement

Specified by:

resetStatistics in interface StatisticsAware

Returns:

true if the operation is successful

See Also:

• StatisticsMaintenanceOnHost

getLastStatsResetTimestamp

@Nonnull
public Optional<OffsetDateTime> getLastStatsResetTimestamp()

Gets time at which database statistics were last reset on the primary host.

Specified by:

getLastStatsResetTimestamp in interface DatabaseManagement

Specified by:

getLastStatsResetTimestamp in interface StatisticsAware

Returns:

Optional of null or time at which database statistics were last reset.

getParamsWithDefaultValues

@Nonnull
public Set<PgParam> getParamsWithDefaultValues(@Nonnull
 ServerSpecification specification)

Specified by:

getParamsWithDefaultValues in interface ConfigurationAware

getParamsCurrentValues

@Nonnull
public Set<PgParam> getParamsCurrentValues()

Specified by:

getParamsCurrentValues in interface ConfigurationAware