Package org.apache.hadoop.yarn.server.timelineservice.storage.common

Class LongKeyConverter

java.lang.Object

org.apache.hadoop.yarn.server.timelineservice.storage.common.LongKeyConverter

All Implemented Interfaces:

KeyConverter<Long>

public final class LongKeyConverter
extends Object
implements KeyConverter<Long>

Encodes and decodes column names / row keys which are long.

Constructor Summary

Constructors

Constructor	Description
LongKeyConverter()

Method Summary

Modifier and Type	Method	Description
Long	decode(byte[] bytes)	Decodes a byte array and returns a key of type T.
byte[]	encode(Long key)	Encodes a key as a byte array.

Methods inherited from class java.lang.Object

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

Constructor Details

LongKeyConverter

public LongKeyConverter()

Method Details

encode

public byte[] encode(Long key)

Description copied from interface: KeyConverter

Encodes a key as a byte array.

Specified by:

encode in interface KeyConverter<Long>

Parameters:

key - key to be encoded.

Returns:

a byte array.

decode

public Long decode(byte[] bytes)

Description copied from interface: KeyConverter

Decodes a byte array and returns a key of type T.

Specified by:

decode in interface KeyConverter<Long>

Parameters:

bytes - byte representation

Returns:

an object(key) of type T which has been constructed after decoding the bytes.