com.google.cloud.bigtable.hbase.adapters

Class CellDeduplicationHelper

java.lang.Object

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

@InternalApi(value="For internal usage only")
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.

For internal use only - public for technical reasons.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	CellDeduplicationHelper.QualifierOnlyKey

Constructor Summary

Constructors

Constructor and Description
CellDeduplicationHelper()

Method Summary

Modifier and Type	Method and 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.