org.apache.hadoop.hbase.wal

类 NamespaceGroupingStrategy

java.lang.Object

org.apache.hadoop.hbase.wal.NamespaceGroupingStrategy

所有已实现的接口:

RegionGroupingProvider.RegionGroupingStrategy

@InterfaceAudience.Private
public class NamespaceGroupingStrategy
extends Object
implements RegionGroupingProvider.RegionGroupingStrategy

A WAL grouping strategy based on namespace. Notice: the wal-group mapping might change if we support dynamic namespace updating later, and special attention needed if we support feature like group-based replication.

字段概要

从接口继承的字段 org.apache.hadoop.hbase.wal.RegionGroupingProvider.RegionGroupingStrategy

GROUP_NAME_DELIMITER

构造器概要

构造器

构造器和说明
NamespaceGroupingStrategy()

方法概要

限定符和类型	方法和说明
String	group(byte[] identifier, byte[] namespace) Given an identifier and a namespace, pick a group.
void	init(org.apache.hadoop.conf.Configuration config, String providerId)

从类继承的方法 java.lang.Object

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

构造器详细资料

NamespaceGroupingStrategy

public NamespaceGroupingStrategy()

方法详细资料

group

public String group(byte[] identifier,
                    byte[] namespace)

从接口复制的说明: RegionGroupingProvider.RegionGroupingStrategy

Given an identifier and a namespace, pick a group.

指定者:

group 在接口中 RegionGroupingProvider.RegionGroupingStrategy

init

public void init(org.apache.hadoop.conf.Configuration config,
                 String providerId)

指定者:

init 在接口中 RegionGroupingProvider.RegionGroupingStrategy