com.aliyun.odps.utils

Class CommonUtils

java.lang.Object

com.aliyun.odps.utils.CommonUtils

public class CommonUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static SimpleDateFormat	DATETIME_FORMAT Deprecated.
static SimpleDateFormat	TIMESTAMP_FORMAT Deprecated.

Constructor Summary

Constructors

Constructor and Description
CommonUtils()

Method Summary

Modifier and Type	Method and Description
static void	checkArgument(String name, int value, int lower_bound, int upper_bound)
static String	convertPartSpecMapToString(LinkedHashMap<String,String> partSpecMap)
static LinkedHashMap<String,String>	convertPartSpecToMap(String partSpec)
static String	generateBigGraphTaskName()
static String	generateGraphTaskName()
static String	generateLocalGraphTaskName()
static String	generateLocalMrTaskName()
static String	generateMrTaskName()
static String	getCurrentTime()
static SimpleDateFormat	getDatetimeFormat() Get a date formatter for datetime
static long	getPID()
static SimpleDateFormat	getTimestampFormat() Get a date formatter for timestamp
static void	sleep(long millis)
static String	toDelimitedString(Writable[] fields, char delim, String nullIndicator)

Methods inherited from class java.lang.Object

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

Field Detail

TIMESTAMP_FORMAT

@Deprecated
public static final SimpleDateFormat TIMESTAMP_FORMAT

Deprecated.

Please consider switch to getTimeStampFormat() which is thread safe.

DATETIME_FORMAT

@Deprecated
public static final SimpleDateFormat DATETIME_FORMAT

Deprecated.

Please consider switch to getDatetimeFormat() which is thread safe.

Constructor Detail

CommonUtils

public CommonUtils()

Method Detail

getTimestampFormat

public static SimpleDateFormat getTimestampFormat()

Get a date formatter for timestamp

Returns:

new SimpleDateFormat("yyyyMMddHHmmss_SSS")

getDatetimeFormat

public static SimpleDateFormat getDatetimeFormat()

Get a date formatter for datetime

Returns:

new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")

getPID

public static long getPID()

generateMrTaskName

public static String generateMrTaskName()

generateLocalMrTaskName

public static String generateLocalMrTaskName()

generateGraphTaskName

public static String generateGraphTaskName()

generateBigGraphTaskName

public static String generateBigGraphTaskName()

generateLocalGraphTaskName

public static String generateLocalGraphTaskName()

getCurrentTime

public static String getCurrentTime()

sleep

public static void sleep(long millis)

toDelimitedString

public static String toDelimitedString(Writable[] fields,
                                       char delim,
                                       String nullIndicator)

convertPartSpecToMap

public static LinkedHashMap<String,String> convertPartSpecToMap(String partSpec)

convertPartSpecMapToString

public static String convertPartSpecMapToString(LinkedHashMap<String,String> partSpecMap)

checkArgument

public static void checkArgument(String name,
                                 int value,
                                 int lower_bound,
                                 int upper_bound)