org.apache.omid

Class HBaseShims

java.lang.Object

org.apache.omid.HBaseShims

public class HBaseShims
extends Object

Constructor Summary

Constructors

Constructor and Description
HBaseShims()

Method Summary

Modifier and Type	Method and Description
static void	addFamilyToHTableDescriptor(org.apache.hadoop.hbase.HTableDescriptor tableDesc, org.apache.hadoop.hbase.HColumnDescriptor columnDesc)
static org.apache.hadoop.hbase.CellComparator	cellComparatorInstance()
static void	flushAllOnlineRegions(org.apache.hadoop.hbase.regionserver.HRegionServer regionServer, org.apache.hadoop.hbase.TableName tableName)
static int	getNoRetriesNumber() For HBase 1.x, an HConstants.HBASE_CLIENT_RETRIES_NUMBER value of 0 means no retries, while for 2.x a value of 1 means no retries.
static org.apache.hadoop.hbase.regionserver.Region	getRegionCoprocessorRegion(org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment env)
static org.apache.hadoop.hbase.client.Connection	newServerConnection(org.apache.hadoop.conf.Configuration config, org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment env) Create an HBase Connection from the region server
static boolean	OmidCompactionEnabled(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> env, org.apache.hadoop.hbase.regionserver.Store store, String cfFlagValue)
static void	setCompaction(org.apache.hadoop.hbase.client.Connection conn, org.apache.hadoop.hbase.TableName table, byte[] columnFamily, String key, String value)
static void	setKeyValueSequenceId(org.apache.hadoop.hbase.KeyValue kv, int sequenceId)

Methods inherited from class java.lang.Object

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

Constructor Detail

HBaseShims

public HBaseShims()

Method Detail

setKeyValueSequenceId

public static void setKeyValueSequenceId(org.apache.hadoop.hbase.KeyValue kv,
                                         int sequenceId)

getRegionCoprocessorRegion

public static org.apache.hadoop.hbase.regionserver.Region getRegionCoprocessorRegion(org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment env)

flushAllOnlineRegions

public static void flushAllOnlineRegions(org.apache.hadoop.hbase.regionserver.HRegionServer regionServer,
                                         org.apache.hadoop.hbase.TableName tableName)
                                  throws IOException

Throws:

IOException

addFamilyToHTableDescriptor

public static void addFamilyToHTableDescriptor(org.apache.hadoop.hbase.HTableDescriptor tableDesc,
                                               org.apache.hadoop.hbase.HColumnDescriptor columnDesc)

cellComparatorInstance

public static org.apache.hadoop.hbase.CellComparator cellComparatorInstance()

OmidCompactionEnabled

public static boolean OmidCompactionEnabled(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> env,
                                            org.apache.hadoop.hbase.regionserver.Store store,
                                            String cfFlagValue)

setCompaction

public static void setCompaction(org.apache.hadoop.hbase.client.Connection conn,
                                 org.apache.hadoop.hbase.TableName table,
                                 byte[] columnFamily,
                                 String key,
                                 String value)
                          throws IOException

Throws:

IOException

getNoRetriesNumber

public static int getNoRetriesNumber()

For HBase 1.x, an HConstants.HBASE_CLIENT_RETRIES_NUMBER value of 0 means no retries, while for 2.x a value of 1 means no retries.

Returns:

newServerConnection

public static org.apache.hadoop.hbase.client.Connection newServerConnection(org.apache.hadoop.conf.Configuration config,
                                                                            org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment env)
                                                                     throws IOException

Create an HBase Connection from the region server

Throws:

IOException