Package org.apache.hadoop.resourceestimator.translator.impl

Class LogParserUtil

java.lang.Object

org.apache.hadoop.resourceestimator.translator.impl.LogParserUtil

public class LogParserUtil
extends java.lang.Object

Common utility functions for LogParser.

Constructor Summary

Constructors

Constructor	Description
LogParserUtil()

Method Summary

Modifier and Type	Method	Description
void	parseLog(java.lang.String logFile)	Parse the log file/directory.
void	setDateFormat(java.lang.String datePattern)	Set date format for the LogParser.
void	setLogParser(LogParser logParser)	Set the LogParser to use.
long	stringToUnixTimestamp(java.lang.String date)	Converts String date to unix timestamp.

Methods inherited from class java.lang.Object

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

Constructor Detail

LogParserUtil

public LogParserUtil()

Method Detail

setLogParser

public void setLogParser(LogParser logParser)

Set the LogParser to use.

Parameters:

logParser - the LogParser to use.

setDateFormat

public void setDateFormat(java.lang.String datePattern)

Set date format for the LogParser.

Parameters:

datePattern - the date pattern in the log.

stringToUnixTimestamp

public long stringToUnixTimestamp(java.lang.String date)
                           throws java.text.ParseException

Converts String date to unix timestamp. Note that we assume the time in the logs has the same time zone with the machine which runs the RmSingleLineParser.

Parameters:

date - The String date.

Returns:

Unix time stamp.

Throws:

java.text.ParseException - if data conversion from String to unix timestamp fails.

parseLog

public final void parseLog(java.lang.String logFile)
                    throws SkylineStoreException,
                           java.io.IOException,
                           ResourceEstimatorException

Parse the log file/directory.

Parameters:

logFile - the file/directory of the log.

Throws:

SkylineStoreException - if fails to addHistory to SkylineStore.

java.io.IOException - if fails to parse the log.

ResourceEstimatorException - if the LogParser is not initialized.