org.apache.giraph.utils

Class ConfigurationObjectUtils

java.lang.Object

org.apache.giraph.utils.ConfigurationObjectUtils

public class ConfigurationObjectUtils
extends Object

Utility methods for dealing with Hadoop configuration

Method Summary

Modifier and Type	Method and Description
static byte[]	decodeBytes(String str) Decode bytes from a hex String
static String	encodeBytes(byte[] bytes) Encode bytes to a hex String
static byte[]	getByteArray(String confOption, org.apache.hadoop.conf.Configuration conf) Get byte array from a conf option
static <T> T	getObjectKryo(String confOption, org.apache.hadoop.conf.Configuration conf) Get object from a conf option using kryo
static void	setByteArray(byte[] data, String confOption, org.apache.hadoop.conf.Configuration conf) Set byte array to a conf option
static <T> void	setObjectKryo(T object, String confOption, org.apache.hadoop.conf.Configuration conf) Set object in a conf option using kryo

Methods inherited from class java.lang.Object

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

Method Detail

encodeBytes

public static String encodeBytes(byte[] bytes)

Encode bytes to a hex String

Parameters:

bytes - byte[]

Returns:

encoded String

decodeBytes

public static byte[] decodeBytes(String str)

Decode bytes from a hex String

Parameters:

str - String to decode

Returns:

decoded byte[]

setByteArray

public static void setByteArray(byte[] data,
                                String confOption,
                                org.apache.hadoop.conf.Configuration conf)

Set byte array to a conf option

Parameters:

data - Byte array

confOption - Conf option

conf - Configuration

getByteArray

public static byte[] getByteArray(String confOption,
                                  org.apache.hadoop.conf.Configuration conf)

Get byte array from a conf option

Parameters:

confOption - Conf option

conf - Configuration

Returns:

Byte array

setObjectKryo

public static <T> void setObjectKryo(T object,
                                     String confOption,
                                     org.apache.hadoop.conf.Configuration conf)

Set object in a conf option using kryo

Type Parameters:

T - Type of the object

Parameters:

object - Object to set

confOption - Conf option

conf - Configuration

getObjectKryo

public static <T> T getObjectKryo(String confOption,
                                  org.apache.hadoop.conf.Configuration conf)

Get object from a conf option using kryo

Type Parameters:

T - Type of the object

Parameters:

confOption - Conf option

conf - Configuration

Returns:

Object from conf