edu.umn.cs.spatialHadoop.operations

Class RangeFilter

java.lang.Object

edu.umn.cs.spatialHadoop.mapred.DefaultBlockFilter

edu.umn.cs.spatialHadoop.operations.RangeFilter

All Implemented Interfaces:

BlockFilter

public class RangeFilter
extends DefaultBlockFilter

A filter function that selects partitions overlapping with a query range.

Author:

Ahmed Eldawy

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	QueryRange Configuration parameter for setting a search query range

Constructor Summary

Constructors

Constructor and Description
RangeFilter()
RangeFilter(Shape shape)

Method Summary

Methods

Modifier and Type	Method and Description
void	configure(Configuration job) Configure the block filter the first time it is created.
void	selectCells(GlobalIndex<Partition> gIndex, ResultCollector<Partition> output) Selects the blocks that need to be processed b a MapReduce job.

Methods inherited from class edu.umn.cs.spatialHadoop.mapred.DefaultBlockFilter

selectCellPairs

Methods inherited from class java.lang.Object

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

Field Detail

QueryRange

public static final java.lang.String QueryRange

Configuration parameter for setting a search query range

See Also:

Constant Field Values

Constructor Detail

RangeFilter

public RangeFilter()

RangeFilter

public RangeFilter(Shape shape)

Method Detail

configure

public void configure(Configuration job)

Description copied from interface: BlockFilter

Configure the block filter the first time it is created.

Specified by:

configure in interface BlockFilter

Overrides:

configure in class DefaultBlockFilter

selectCells

public void selectCells(GlobalIndex<Partition> gIndex,
               ResultCollector<Partition> output)

Description copied from interface: BlockFilter

Selects the blocks that need to be processed b a MapReduce job.

Specified by:

selectCells in interface BlockFilter

Overrides:

selectCells in class DefaultBlockFilter