Package org.apache.hadoop.hbase.regionserver.storefiletracker

Class StoreFileTrackerFactory

java.lang.Object

org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTrackerFactory

@Private
public final class StoreFileTrackerFactory
extends Object

Factory method for creating store file tracker.

The current implementations are:

• default: DefaultStoreFileTracker, see DefaultStoreFileTracker.
• file:FileBasedStoreFileTracker, see FileBasedStoreFileTracker.
• migration:MigrationStoreFileTracker, see MigrationStoreFileTracker.

See Also:

• DefaultStoreFileTracker
• FileBasedStoreFileTracker
• MigrationStoreFileTracker

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	StoreFileTrackerFactory.Trackers	Maps between configuration names for trackers and implementation classes.

Field Summary

Fields

Modifier and Type	Field	Description
private static final Map<Class<? extends StoreFileTracker>,StoreFileTrackerFactory.Trackers>	CLASS_TO_ENUM
private static final org.slf4j.Logger	LOG
static final String	TRACKER_IMPL

Constructor Summary

Constructors

Modifier	Constructor	Description
private	StoreFileTrackerFactory()

Method Summary

Modifier and Type	Method	Description
static StoreFileTracker	create(org.apache.hadoop.conf.Configuration conf, boolean isPrimaryReplica, StoreContext ctx)
static StoreFileTracker	create(org.apache.hadoop.conf.Configuration conf, TableDescriptor td, ColumnFamilyDescriptor cfd, HRegionFileSystem regionFs)	Used at master side when splitting/merging regions, as we do not have a Store, thus no StoreContext at master side.
(package private) static StoreFileTrackerBase	createForMigration(org.apache.hadoop.conf.Configuration conf, String configName, boolean isPrimaryReplica, StoreContext ctx)	Create store file tracker to be used as source or destination for MigrationStoreFileTracker.
(package private) static Class<? extends StoreFileTrackerBase>	getStoreFileTrackerClassForMigration(org.apache.hadoop.conf.Configuration conf, String configName)
static String	getStoreFileTrackerName(Class<? extends StoreFileTracker> clazz)
static String	getStoreFileTrackerName(org.apache.hadoop.conf.Configuration conf)
static Class<? extends StoreFileTracker>	getTrackerClass(String trackerNameOrClass)
static Class<? extends StoreFileTracker>	getTrackerClass(org.apache.hadoop.conf.Configuration conf)
static boolean	isMigration(Class<?> clazz)
private static org.apache.hadoop.conf.Configuration	mergeConfigurations(org.apache.hadoop.conf.Configuration global, TableDescriptor table, ColumnFamilyDescriptor family)
private static Map<Class<? extends StoreFileTracker>,StoreFileTrackerFactory.Trackers>	reverse()
static TableDescriptor	updateWithTrackerConfigs(org.apache.hadoop.conf.Configuration conf, TableDescriptor descriptor)

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.slf4j.Logger LOG

TRACKER_IMPL

public static final String TRACKER_IMPL

See Also:

• Constant Field Values

CLASS_TO_ENUM

private static final Map<Class<? extends StoreFileTracker>,StoreFileTrackerFactory.Trackers> CLASS_TO_ENUM

Constructor Details

StoreFileTrackerFactory

private StoreFileTrackerFactory()

Method Details

reverse

private static Map<Class<? extends StoreFileTracker>,StoreFileTrackerFactory.Trackers> reverse()

getStoreFileTrackerName

public static String getStoreFileTrackerName(org.apache.hadoop.conf.Configuration conf)

getStoreFileTrackerName

public static String getStoreFileTrackerName(Class<? extends StoreFileTracker> clazz)

getTrackerClass

public static Class<? extends StoreFileTracker> getTrackerClass(org.apache.hadoop.conf.Configuration conf)

getTrackerClass

public static Class<? extends StoreFileTracker> getTrackerClass(String trackerNameOrClass)

create

public static StoreFileTracker create(org.apache.hadoop.conf.Configuration conf,
 boolean isPrimaryReplica,
 StoreContext ctx)

create

public static StoreFileTracker create(org.apache.hadoop.conf.Configuration conf,
 TableDescriptor td,
 ColumnFamilyDescriptor cfd,
 HRegionFileSystem regionFs)

Used at master side when splitting/merging regions, as we do not have a Store, thus no StoreContext at master side.

mergeConfigurations

private static org.apache.hadoop.conf.Configuration mergeConfigurations(org.apache.hadoop.conf.Configuration global,
 TableDescriptor table,
 ColumnFamilyDescriptor family)

getStoreFileTrackerClassForMigration

static Class<? extends StoreFileTrackerBase> getStoreFileTrackerClassForMigration(org.apache.hadoop.conf.Configuration conf,
 String configName)

createForMigration

static StoreFileTrackerBase createForMigration(org.apache.hadoop.conf.Configuration conf,
 String configName,
 boolean isPrimaryReplica,
 StoreContext ctx)

Create store file tracker to be used as source or destination for MigrationStoreFileTracker.

updateWithTrackerConfigs

public static TableDescriptor updateWithTrackerConfigs(org.apache.hadoop.conf.Configuration conf,
 TableDescriptor descriptor)

isMigration

public static boolean isMigration(Class<?> clazz)