Package com.google.cloud.bigtable.hbase.adapters

Class CellDeduplicationHelper

java.lang.Object

com.google.cloud.bigtable.hbase.adapters.CellDeduplicationHelper

public class CellDeduplicationHelper
extends Object

Helper class to deduplicate Cells in a mutation. This is used primarily to apply client-side Increment and Append deduplication logic.

Version:

$Id: $Id

Author:

sduskis

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	CellDeduplicationHelper.QualifierOnlyKey

Constructor Summary

Constructors

Constructor	Description
CellDeduplicationHelper()

Method Summary

Modifier and Type	Method	Description
static List<org.apache.hadoop.hbase.Cell>	deduplicateFamily(org.apache.hadoop.hbase.client.Mutation mutation, byte[] family)	Given a Mutation and a family with potentially duplicate cell family:qualifier combinations, remove all entries except for the last for that family:qualifier pair.

Methods inherited from class java.lang.Object

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

Constructor Detail

CellDeduplicationHelper

public CellDeduplicationHelper()

Method Detail

deduplicateFamily

public static List<org.apache.hadoop.hbase.Cell> deduplicateFamily(org.apache.hadoop.hbase.client.Mutation mutation,
                                                                   byte[] family)

Given a Mutation and a family with potentially duplicate cell family:qualifier combinations, remove all entries except for the last for that family:qualifier pair.

Parameters:

mutation - a Mutation object.

family - an array of byte.

Returns:

a List object.