edu.umn.cs.spatialHadoop.util

Class TemporalIndexManager

java.lang.Object

edu.umn.cs.spatialHadoop.util.TemporalIndexManager

public class TemporalIndexManager
extends java.lang.Object

Temporal index manager that can determine which files need to be indexed/reindexed on the daily, monthly, and yearly levels.

Author:

ibrahimsabek

Constructor Summary

Constructors

Constructor and Description
TemporalIndexManager(Path datasetPath, Path indexesPath)

Method Summary

Methods

Modifier and Type	Method and Description
Path	getDailyIndexesHomePath()
Path	getMonthlyIndexesHomePath()
Path[]	getNeededDailyIndexes()
Path[]	getNeededMontlyIndexes()
Path[]	getNeededYearlyIndexes()
Path	getYearlyIndexesHomePath()
static void	main(java.lang.String[] args)
void	prepareNeededIndexes(java.lang.String timeRange) Based on a certain time range, this method filters all directories and determines which files need to be indexed on daily, monthly and yearly levels.

Methods inherited from class java.lang.Object

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

Constructor Detail

TemporalIndexManager

public TemporalIndexManager(Path datasetPath,
                    Path indexesPath)
                     throws java.text.ParseException

Throws:

java.text.ParseException

Method Detail

prepareNeededIndexes

public void prepareNeededIndexes(java.lang.String timeRange)
                          throws java.io.IOException,
                                 java.text.ParseException

Based on a certain time range, this method filters all directories and determines which files need to be indexed on daily, monthly and yearly levels. After calling this method, you need to call the daily, monthly and yearly getters to return paths required to be indexed.

Parameters:

timeRange -

Throws:

java.io.IOException

java.text.ParseException

getNeededDailyIndexes

public Path[] getNeededDailyIndexes()

getNeededMontlyIndexes

public Path[] getNeededMontlyIndexes()

getNeededYearlyIndexes

public Path[] getNeededYearlyIndexes()

getDailyIndexesHomePath

public Path getDailyIndexesHomePath()

getMonthlyIndexesHomePath

public Path getMonthlyIndexesHomePath()

getYearlyIndexesHomePath

public Path getYearlyIndexesHomePath()

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException,
                        java.text.ParseException

Throws:

java.io.IOException

java.text.ParseException