Package org.apache.hadoop.yarn.server.timeline.util

Class LeveldbUtils.KeyBuilder

java.lang.Object

org.apache.hadoop.yarn.server.timeline.util.LeveldbUtils.KeyBuilder

Enclosing class:

LeveldbUtils

public static class LeveldbUtils.KeyBuilder
extends java.lang.Object

A string builder utility for building timeline server leveldb keys.

Constructor Summary

Constructors

Constructor	Description
KeyBuilder(int size)

Method Summary

Modifier and Type	Method	Description
LeveldbUtils.KeyBuilder	add(byte[] t)
LeveldbUtils.KeyBuilder	add(byte[] t, boolean sep)
LeveldbUtils.KeyBuilder	add(java.lang.String s)
byte[]	getBytes()	Builds a byte array without the final string delimiter.
byte[]	getBytesForLookup()	Builds a byte array including the final string delimiter.
static LeveldbUtils.KeyBuilder	newInstance()
static LeveldbUtils.KeyBuilder	newInstance(int size)	Instantiate a new key build with the given maximum subkes.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyBuilder

public KeyBuilder(int size)

Method Detail

newInstance

public static LeveldbUtils.KeyBuilder newInstance()

newInstance

public static LeveldbUtils.KeyBuilder newInstance(int size)

Instantiate a new key build with the given maximum subkes.

Parameters:

size - maximum subkeys that can be added to this key builder

Returns:

a newly constructed key builder

add

public LeveldbUtils.KeyBuilder add(java.lang.String s)

add

public LeveldbUtils.KeyBuilder add(byte[] t)

add

public LeveldbUtils.KeyBuilder add(byte[] t,
                                   boolean sep)

getBytes

public byte[] getBytes()

Builds a byte array without the final string delimiter.

getBytesForLookup

public byte[] getBytesForLookup()

Builds a byte array including the final string delimiter.