Package io.github.mfvanek.pg.checks.cluster

Class UnusedIndexesCheckOnCluster

java.lang.Object

io.github.mfvanek.pg.checks.cluster.UnusedIndexesCheckOnCluster

All Implemented Interfaces:

DatabaseCheckOnCluster<UnusedIndex>, DiagnosticAware, RawTypeAware<UnusedIndex>

public class UnusedIndexesCheckOnCluster
extends Object

Check for unused indexes on all hosts in the cluster.

Since:

0.6.0

Constructor Summary

Constructors

Constructor	Description
UnusedIndexesCheckOnCluster(HighAvailabilityPgConnection haPgConnection)

Method Summary

Modifier and Type	Method	Description
final List<UnusedIndex>	check(PgContext pgContext, Predicate<? super UnusedIndex> exclusionsFilter)	Executes the check in the specified schema.
protected void	doBeforeExecuteOnHost(PgConnection connectionToHost)
final Diagnostic	getDiagnostic()	Gets the diagnostic - a rule related to the check.
Class<UnusedIndex>	getType()	Gets original java type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.github.mfvanek.pg.common.maintenance.DatabaseCheckOnCluster

check, check, check

Constructor Details

UnusedIndexesCheckOnCluster

public UnusedIndexesCheckOnCluster(@Nonnull
 HighAvailabilityPgConnection haPgConnection)

Method Details

doBeforeExecuteOnHost

protected void doBeforeExecuteOnHost(@Nonnull
 PgConnection connectionToHost)

getType

@Nonnull
public Class<UnusedIndex> getType()

Gets original java type.

Specified by:

getType in interface RawTypeAware<T extends TableNameAware>

Returns:

java type representing database object

getDiagnostic

@Nonnull
public final Diagnostic getDiagnostic()

Gets the diagnostic - a rule related to the check.

Specified by:

getDiagnostic in interface DiagnosticAware

Returns:

diagnostic

See Also:

• Diagnostic

check

@Nonnull
public final List<UnusedIndex> check(@Nonnull
 PgContext pgContext,
 @Nonnull
 Predicate<? super UnusedIndex> exclusionsFilter)

Executes the check in the specified schema.

Specified by:

check in interface DatabaseCheckOnCluster<T extends TableNameAware>

Parameters:

pgContext - check's context with the specified schema

exclusionsFilter - predicate to filter out unnecessary results

Returns:

list of deviations from the specified rule

See Also:

• PgContext