edu.umn.cs.spatialHadoop.nasa

Class SpatioTemporalAggregateQuery

java.lang.Object

edu.umn.cs.spatialHadoop.nasa.SpatioTemporalAggregateQuery

public class SpatioTemporalAggregateQuery
extends java.lang.Object

Author:

Ahmed Eldawy

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SpatioTemporalAggregateQuery.TimeRange

Field Summary

Fields

Modifier and Type	Field and Description
static int	numOfTemporalPartitionsInLastQuery Keeps track of number of temporal partitions matched by last query as stats
static int	numOfTreesTouchesInLastRequest Keeps track of total number of trees queries in last query as stats

Constructor Summary

Constructors

Constructor and Description
SpatioTemporalAggregateQuery()

Method Summary

Methods

Modifier and Type	Method and Description
static AggregateQuadTree.Node	aggregateQuery(Path inFile, OperationsParams params) Performs a spatio-temporal aggregate query on an indexed directory
static void	main(java.lang.String[] args)
static void	printUsage() Prints the usage of this operation.

Methods inherited from class java.lang.Object

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

Field Detail

numOfTreesTouchesInLastRequest

public static int numOfTreesTouchesInLastRequest

Keeps track of total number of trees queries in last query as stats

numOfTemporalPartitionsInLastQuery

public static int numOfTemporalPartitionsInLastQuery

Keeps track of number of temporal partitions matched by last query as stats

Constructor Detail

SpatioTemporalAggregateQuery

public SpatioTemporalAggregateQuery()

Method Detail

aggregateQuery

public static AggregateQuadTree.Node aggregateQuery(Path inFile,
                                    OperationsParams params)
                                             throws java.text.ParseException,
                                                    java.io.IOException

Performs a spatio-temporal aggregate query on an indexed directory

Parameters:

inFile -

params -

Throws:

java.text.ParseException

java.io.IOException

printUsage

public static void printUsage()

Prints the usage of this operation.

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Parameters:

args -

Throws:

java.lang.Exception