edu.umd.cloud9.example.pagerank
Class PageRankNode

java.lang.Object
  edu.umd.cloud9.example.pagerank.PageRankNode

All Implemented Interfaces:

Writable

public class PageRankNode
extends Object
implements Writable

Representation of a graph node for PageRank.

Author:

Jimmy Lin, Michael Schatz

Nested Class Summary

static class

PageRankNode.Type

Constructor Summary

PageRankNode()

Method Summary

static PageRankNode	create(byte[] bytes) Creates object from a byte array.
static PageRankNode	create(DataInput in) Creates object from a DataInput.
ArrayListOfIntsWritable	getAdjacenyList()
int	getNodeId()
float	getPageRank()
PageRankNode.Type	getType()
void	readFields(DataInput in) Deserializes this object.
byte[]	serialize() Returns the serialized representation of this object as a byte array.
void	setAdjacencyList(ArrayListOfIntsWritable list)
void	setNodeId(int n)
void	setPageRank(float p)
void	setType(PageRankNode.Type type)
String	toString()
void	write(DataOutput out) Serializes this object.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PageRankNode

public PageRankNode()

Method Detail

getPageRank

public float getPageRank()

setPageRank

public void setPageRank(float p)

getNodeId

public int getNodeId()

setNodeId

public void setNodeId(int n)

getAdjacenyList

public ArrayListOfIntsWritable getAdjacenyList()

setAdjacencyList

public void setAdjacencyList(ArrayListOfIntsWritable list)

getType

public PageRankNode.Type getType()

setType

public void setType(PageRankNode.Type type)

readFields

public void readFields(DataInput in)
                throws IOException

Deserializes this object.

Specified by:

readFields in interface Writable

Parameters:

in - source for raw byte representation

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Serializes this object.

Specified by:

write in interface Writable

Parameters:

out - where to write the raw byte representation

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

serialize

public byte[] serialize()
                 throws IOException

Returns the serialized representation of this object as a byte array.

Returns:

byte array representing the serialized representation of this object

Throws:

IOException

create

public static PageRankNode create(DataInput in)
                           throws IOException

Creates object from a DataInput.

Parameters:

in - source for reading the serialized representation

Returns:

newly-created object

Throws:

IOException

create

public static PageRankNode create(byte[] bytes)
                           throws IOException

Creates object from a byte array.

Parameters:

bytes - raw serialized representation

Returns:

newly-created object

Throws:

IOException