org.apache.hadoop.hbase.util
Class ModifyRegionUtils

java.lang.Object
  extended by 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 .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 .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


Copyright © 2014 The Apache Software Foundation. All Rights Reserved.