org.apache.hadoop.hbase.regionserver.storefiletracker

Class MigrationStoreFileTracker

java.lang.Object

org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTrackerBase

org.apache.hadoop.hbase.regionserver.storefiletracker.MigrationStoreFileTracker

All Implemented Interfaces:

StoreFileTracker

@InterfaceAudience.Private
class MigrationStoreFileTracker
extends StoreFileTrackerBase

A store file tracker used for migrating between store file tracker implementations.

Field Summary

Fields

Modifier and Type	Field and Description
private StoreFileTrackerBase	dst
static String	DST_IMPL
private StoreFileTrackerBase	src
static String	SRC_IMPL

Fields inherited from class org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTrackerBase

conf, ctx, isPrimaryReplica

Constructor Summary

Constructors

Constructor and Description
MigrationStoreFileTracker(org.apache.hadoop.conf.Configuration conf, boolean isPrimaryReplica, StoreContext ctx)

Method Summary

Modifier and Type	Method and Description
protected void	doAddCompactionResults(Collection<StoreFileInfo> compactedFiles, Collection<StoreFileInfo> newFiles)
protected void	doAddNewStoreFiles(Collection<StoreFileInfo> newFiles)
(package private) static Class<? extends StoreFileTracker>	getDstTrackerClass(org.apache.hadoop.conf.Configuration conf)
(package private) static Class<? extends StoreFileTracker>	getSrcTrackerClass(org.apache.hadoop.conf.Configuration conf)
List<StoreFileInfo>	load() Load the store files list when opening a region.
boolean	requireWritingToTmpDirFirst() Whether the implementation of this tracker requires you to write to temp directory first, i.e, does not allow broken store files under the actual data directory.
void	set(List<StoreFileInfo> files) Set the store files.

Methods inherited from class org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTrackerBase

add, createWriter, getTrackerName, replace, updateWithTrackerConfigs

Methods inherited from class java.lang.Object

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

Field Detail

SRC_IMPL

public static final String SRC_IMPL

See Also:

Constant Field Values

DST_IMPL

public static final String DST_IMPL

See Also:

Constant Field Values

src

private final StoreFileTrackerBase src

dst

private final StoreFileTrackerBase dst

Constructor Detail

MigrationStoreFileTracker

public MigrationStoreFileTracker(org.apache.hadoop.conf.Configuration conf,
                                 boolean isPrimaryReplica,
                                 StoreContext ctx)

Method Detail

load

public List<StoreFileInfo> load()
                         throws IOException

Description copied from interface: StoreFileTracker

Load the store files list when opening a region.

Throws:

IOException

requireWritingToTmpDirFirst

public boolean requireWritingToTmpDirFirst()

Description copied from interface: StoreFileTracker

Whether the implementation of this tracker requires you to write to temp directory first, i.e, does not allow broken store files under the actual data directory.

doAddNewStoreFiles

protected void doAddNewStoreFiles(Collection<StoreFileInfo> newFiles)
                           throws IOException

Specified by:

doAddNewStoreFiles in class StoreFileTrackerBase

Throws:

IOException

doAddCompactionResults

protected void doAddCompactionResults(Collection<StoreFileInfo> compactedFiles,
                                      Collection<StoreFileInfo> newFiles)
                               throws IOException

Specified by:

doAddCompactionResults in class StoreFileTrackerBase

Throws:

IOException

set

public void set(List<StoreFileInfo> files)

Description copied from interface: StoreFileTracker

Set the store files.

getSrcTrackerClass

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

getDstTrackerClass

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