edu.umn.cs.spatialHadoop.mapred

Class RTreeRecordReader<S extends Shape>

java.lang.Object

edu.umn.cs.spatialHadoop.mapred.SpatialRecordReader<Rectangle,RTree<S>>

edu.umn.cs.spatialHadoop.mapred.RTreeRecordReader<S>

public class RTreeRecordReader<S extends Shape>
extends SpatialRecordReader<Rectangle,RTree<S>>

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
RTreeRecordReader(CombineFileSplit split, Configuration conf, Reporter reporter, java.lang.Integer index)
RTreeRecordReader(Configuration job, FileSplit split)
RTreeRecordReader(java.io.InputStream is, long offset, long endOffset)

Method Summary

Methods

Modifier and Type	Method and Description
Rectangle	createKey()
RTree<S>	createValue()
boolean	next(Rectangle key, RTree<S> rtree)

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

RTreeRecordReader

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

Throws:

java.io.IOException

RTreeRecordReader

public RTreeRecordReader(Configuration job,
                 FileSplit split)
                  throws java.io.IOException

Throws:

java.io.IOException

RTreeRecordReader

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

Throws:

java.io.IOException

Method Detail

next

public boolean next(Rectangle key,
           RTree<S> rtree)
             throws java.io.IOException

Throws:

java.io.IOException

createKey

public Rectangle createKey()

createValue

public RTree<S> createValue()