edu.umn.cs.spatialHadoop.core

Class CellInfo

java.lang.Object

edu.umn.cs.spatialHadoop.core.Rectangle

edu.umn.cs.spatialHadoop.core.CellInfo

All Implemented Interfaces:

Shape, TextSerializable, java.lang.Cloneable

Direct Known Subclasses:

Partition

public class CellInfo
extends Rectangle

Information about a specific cell in a grid. Note: Whenever you change the instance variables that need to be stored in disk, you have to manually fix the implementation of class BlockListAsLongs

Author:

aseldawy

Field Summary

Fields

Modifier and Type	Field and Description
int	cellId A unique ID for this cell in a file.

Fields inherited from class edu.umn.cs.spatialHadoop.core.Rectangle

x1, x2, y1, y2

Constructor Summary

Constructors

Constructor and Description
CellInfo()
CellInfo(CellInfo c)
CellInfo(java.io.DataInput in) Loads a cell serialized to the given stream
CellInfo(int id, double x1, double y1, double x2, double y2)
CellInfo(int id, Rectangle cellInfo)
CellInfo(java.lang.String in)

Method Summary

Methods

Modifier and Type	Method and Description
CellInfo	clone() Returns a clone of this shape
int	compareTo(Shape s) Comparison is done by lexicographic ordering of attributes < x1, y1, x2, y2>
boolean	equals(java.lang.Object obj)
void	fromText(Text text) Retrieve information from the given text.
int	hashCode()
void	readFields(java.io.DataInput in)
void	set(CellInfo c)
java.lang.String	toString()
Text	toText(Text text) Store current object as string in the given text appending text already there.
void	write(java.io.DataOutput out)

Methods inherited from class edu.umn.cs.spatialHadoop.core.Rectangle

buffer, compareTo, contains, contains, contains, contains, distanceTo, draw, draw, expand, getCenterPoint, getHeight, getIntersection, getMaxDistance, getMaxDistanceTo, getMBR, getMinDistance, getMinDistanceTo, getWidth, invalidate, isIntersected, isValid, set, set, translate, union

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

cellId

public int cellId

A unique ID for this cell in a file. This must be set initially when cells for a file are created. It cannot be guessed from cell dimensions.

Constructor Detail

CellInfo

public CellInfo(java.io.DataInput in)
         throws java.io.IOException

Loads a cell serialized to the given stream

Parameters:

in -

Throws:

java.io.IOException

CellInfo

public CellInfo(java.lang.String in)

CellInfo

public CellInfo()

CellInfo

public CellInfo(int id,
        double x1,
        double y1,
        double x2,
        double y2)

CellInfo

public CellInfo(int id,
        Rectangle cellInfo)

CellInfo

public CellInfo(CellInfo c)

Method Detail

set

public void set(CellInfo c)

toString

public java.lang.String toString()

Overrides:

toString in class Rectangle

clone

public CellInfo clone()

Description copied from interface: Shape

Returns a clone of this shape

Specified by:

clone in interface Shape

Overrides:

clone in class Rectangle

Returns:

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class Rectangle

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

compareTo

public int compareTo(Shape s)

Description copied from class: Rectangle

Comparison is done by lexicographic ordering of attributes < x1, y1, x2, y2>

Overrides:

compareTo in class Rectangle

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Overrides:

write in class Rectangle

Throws:

java.io.IOException

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException

Overrides:

readFields in class Rectangle

Throws:

java.io.IOException

toText

public Text toText(Text text)

Description copied from interface: TextSerializable

Store current object as string in the given text appending text already there.

Specified by:

toText in interface TextSerializable

Overrides:

toText in class Rectangle

fromText

public void fromText(Text text)

Description copied from interface: TextSerializable

Retrieve information from the given text.

Specified by:

fromText in interface TextSerializable

Overrides:

fromText in class Rectangle