org.apache.ignite.internal.processors.query.h2.maintenance

Class RebuildIndexAction

java.lang.Object

org.apache.ignite.internal.processors.query.h2.maintenance.RebuildIndexAction

All Implemented Interfaces:

MaintenanceAction<Boolean>

public class RebuildIndexAction
extends Object
implements MaintenanceAction<Boolean>

Maintenance action that handles index rebuilding. TODO: GG-34742 Rebuild multiple indexes of a cache at once.

Constructor Summary

Constructors

Constructor and Description
RebuildIndexAction(List<MaintenanceRebuildIndexTarget> indexesToRebuild, IgniteH2Indexing indexing, IgniteLogger log) Constructor.

Method Summary

Modifier and Type	Method and Description
static String	createCacheTablesInfo(String cacheName, SchemaManager schemaMgr) Creates information about the cache tables.
@Nullable String	description()
Boolean	execute()
static @Nullable H2TreeIndex	findIndex(String cacheName, String idxName, SchemaManager schemaMgr) Finds index for the cache by the name.
String	name()

Methods inherited from class java.lang.Object

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

Constructor Detail

RebuildIndexAction

public RebuildIndexAction(List<MaintenanceRebuildIndexTarget> indexesToRebuild,
                          IgniteH2Indexing indexing,
                          IgniteLogger log)

Constructor.

Parameters:

indexesToRebuild - Indexes to rebuild.

indexing - Indexing.

log - Logger.

Method Detail

execute

public Boolean execute()

Specified by:

execute in interface MaintenanceAction<Boolean>

findIndex

@Nullable
public static @Nullable H2TreeIndex findIndex(String cacheName,
                                                        String idxName,
                                                        SchemaManager schemaMgr)

Finds index for the cache by the name.

Parameters:

cacheName - Cache name.

idxName - Index name.

schemaMgr - Schema manager.

Returns:

Index or null if index was not found.

createCacheTablesInfo

public static String createCacheTablesInfo(String cacheName,
                                           SchemaManager schemaMgr)

Creates information about the cache tables.

Parameters:

cacheName - Cache name.

schemaMgr - Schema manager.

Returns:

String in format: cacheName=foo, tables=[[name=user, rebuild=false, indexes=[IDX_1, IDX_2]].

name

public String name()

Specified by:

name in interface MaintenanceAction<Boolean>

description

@Nullable
public @Nullable String description()

Specified by:

description in interface MaintenanceAction<Boolean>