org.wso2.extension.siddhi.execution.graph

Class Graph

java.lang.Object

org.wso2.extension.siddhi.execution.graph.Graph

public class Graph
extends Object

This class is used to generate the graph from the stream data

Constructor Summary

Constructors

Constructor and Description
Graph()

Method Summary

Modifier and Type	Method and Description
void	addEdge(String user1, String user2) This is use to create an edge between two vertices
boolean	existsEdge(String user, String vertex) This is to check whether there is an edge between two vertices
int	getDegree(String user) This is used to get the degree of a vertex
HashMap<String,Set<String>>	getGraph() This is used to get the graph
Set<String>	getNeighbors(String user) This is used to get the adjacency list of a vertex
int	size() Get the size of the adjacency list

Methods inherited from class java.lang.Object

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

Constructor Detail

Graph

public Graph()

Method Detail

addEdge

public void addEdge(String user1,
                    String user2)

This is use to create an edge between two vertices

Parameters:

user1 - vertex1

user2 - vertex2

existsEdge

public boolean existsEdge(String user,
                          String vertex)

This is to check whether there is an edge between two vertices

Parameters:

user - vertex1

vertex - vertex2

Returns:

true or false

getDegree

public int getDegree(String user)

This is used to get the degree of a vertex

Parameters:

user - vertex

Returns:

degree of the vertex

getNeighbors

public Set<String> getNeighbors(String user)

This is used to get the adjacency list of a vertex

Parameters:

user - vertex id

Returns:

Set containing adjacent vertices

size

public int size()

Get the size of the adjacency list

Returns:

size of the adjacency list

getGraph

public HashMap<String,Set<String>> getGraph()

This is used to get the graph

Returns:

adjacency list which contain the graph