org.apache.hadoop.hbase.util
Class ModifyRegionUtils

java.lang.Object
  org.apache.hadoop.hbase.util.ModifyRegionUtils

@InterfaceAudience.Private
public abstract class ModifyRegionUtils
extends Object

Utility methods for interacting with the regions.

Nested Class Summary

static interface

ModifyRegionUtils.RegionFillTask

Method Summary

static List<HRegionInfo>	createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions) Create new set of regions on the specified file-system.
static List<HRegionInfo>	createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.

Methods inherited from class java.lang.Object

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

Method Detail

createRegions

public static List<HRegionInfo> createRegions(org.apache.hadoop.conf.Configuration conf,
                                              org.apache.hadoop.fs.Path rootDir,
                                              HTableDescriptor hTableDescriptor,
                                              HRegionInfo[] newRegions)
                                       throws IOException

Create new set of regions on the specified file-system. NOTE: that you should add the regions to hbase:meta after this operation.

Parameters:

conf - Configuration

rootDir - Root directory for HBase instance

hTableDescriptor - description of the table

newRegions - HRegionInfo that describes the regions to create

Throws:

IOException

createRegions

public static List<HRegionInfo> createRegions(org.apache.hadoop.conf.Configuration conf,
                                              org.apache.hadoop.fs.Path rootDir,
                                              HTableDescriptor hTableDescriptor,
                                              HRegionInfo[] newRegions,
                                              ModifyRegionUtils.RegionFillTask task)
                                       throws IOException

Create new set of regions on the specified file-system. NOTE: that you should add the regions to hbase:meta after this operation.

Parameters:

conf - Configuration

rootDir - Root directory for HBase instance

hTableDescriptor - description of the table

newRegions - HRegionInfo that describes the regions to create

task - ModifyRegionUtils.RegionFillTask custom code to populate region after creation

Throws:

IOException