edu.umn.cs.spatialHadoop.mapred

Class ShapeIterRecordReader

java.lang.Object

edu.umn.cs.spatialHadoop.mapred.SpatialRecordReader<Rectangle,SpatialRecordReader.ShapeIterator>

edu.umn.cs.spatialHadoop.mapred.ShapeIterRecordReader

public class ShapeIterRecordReader
extends SpatialRecordReader<Rectangle,SpatialRecordReader.ShapeIterator>

Reads a file as a list of RTrees

Author:

Ahmed Eldawy

Nested Class Summary

Nested classes/interfaces inherited from class edu.umn.cs.spatialHadoop.mapred.SpatialRecordReader

SpatialRecordReader.ShapeIterator

Field Summary

Fields

Modifier and Type	Field and Description
static Log	LOG

Fields inherited from class edu.umn.cs.spatialHadoop.mapred.SpatialRecordReader

blockSize, blockType, buffer, cellMbr, end, lineReader, pos, start, tempLine

Constructor Summary

Constructors

Constructor and Description
ShapeIterRecordReader(CombineFileSplit split, Configuration conf, Reporter reporter, java.lang.Integer index)
ShapeIterRecordReader(Configuration conf, FileSplit split)
ShapeIterRecordReader(java.io.InputStream is, long offset, long endOffset)

Method Summary

Methods

Modifier and Type	Method and Description
Rectangle	createKey()
SpatialRecordReader.ShapeIterator	createValue()
boolean	next(Rectangle key, SpatialRecordReader.ShapeIterator shapeIter)
void	setShape(Shape shape)

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

close, getPos, getProgress, initializeReader, nextLine, nextRTree, nextShape, nextShapeIter, nextShapes

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final Log LOG

Constructor Detail

ShapeIterRecordReader

public ShapeIterRecordReader(CombineFileSplit split,
                     Configuration conf,
                     Reporter reporter,
                     java.lang.Integer index)
                      throws java.io.IOException

Throws:

java.io.IOException

ShapeIterRecordReader

public ShapeIterRecordReader(Configuration conf,
                     FileSplit split)
                      throws java.io.IOException

Throws:

java.io.IOException

ShapeIterRecordReader

public ShapeIterRecordReader(java.io.InputStream is,
                     long offset,
                     long endOffset)
                      throws java.io.IOException

Throws:

java.io.IOException

Method Detail

setShape

public void setShape(Shape shape)

next

public boolean next(Rectangle key,
           SpatialRecordReader.ShapeIterator shapeIter)
             throws java.io.IOException

Throws:

java.io.IOException

createKey

public Rectangle createKey()

createValue

public SpatialRecordReader.ShapeIterator createValue()