unipg.gila.common.coordinatewritables

Class MiniCoordinateWritable

java.lang.Object

unipg.gila.common.coordinatewritables.MiniCoordinateWritable

All Implemented Interfaces:

org.apache.hadoop.io.Writable

Direct Known Subclasses:

CoordinateWritable

public class MiniCoordinateWritable
extends java.lang.Object
implements org.apache.hadoop.io.Writable

This class models the core of the vertex value.

Author:

Alessio Arleo

Field Summary

Fields

Modifier and Type	Field and Description
protected int	component The connected component index the vertex belongs to.
protected LongWritableSet	oneEdges A set containing the ids of its one degree neighbors.
protected float	x The vertex X coordinate.
protected float	y The vertex Y coordinate.

Constructor Summary

Constructors

Constructor and Description
MiniCoordinateWritable()
MiniCoordinateWritable(float x, float y, int component)
MiniCoordinateWritable(float x, float y, org.json.JSONArray oEs, int component)

Method Summary

Methods

Modifier and Type	Method and Description
int	getComponent()
float[]	getCoordinates()
java.util.Iterator<org.apache.hadoop.io.LongWritable>	getOneDegreeVertices() Returns an iterator on the one degree neighbors ids of the vertex.
int	getOneDegreeVerticesQuantity()
void	readFields(java.io.DataInput in)
void	setCoordinates(float x, float y)
void	write(java.io.DataOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

component

protected int component

The connected component index the vertex belongs to.

oneEdges

protected LongWritableSet oneEdges

A set containing the ids of its one degree neighbors.

x

protected float x

The vertex X coordinate.

y

protected float y

The vertex Y coordinate.

Constructor Detail

MiniCoordinateWritable

public MiniCoordinateWritable()

MiniCoordinateWritable

public MiniCoordinateWritable(float x,
                      float y,
                      int component)

MiniCoordinateWritable

public MiniCoordinateWritable(float x,
                      float y,
                      org.json.JSONArray oEs,
                      int component)
                       throws org.json.JSONException

Throws:

org.json.JSONException

Method Detail

getComponent

public int getComponent()

getCoordinates

public float[] getCoordinates()

getOneDegreeVertices

public java.util.Iterator<org.apache.hadoop.io.LongWritable> getOneDegreeVertices()

Returns an iterator on the one degree neighbors ids of the vertex.

Returns:

Iterator on the one degree neighbors ids.

getOneDegreeVerticesQuantity

public int getOneDegreeVerticesQuantity()

readFields

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

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

java.io.IOException

setCoordinates

public void setCoordinates(float x,
                  float y)

write

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

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

java.io.IOException