Package org.apache.tinkerpop.gremlin.algorithm.generator

Class CommunityGenerator

java.lang.Object

org.apache.tinkerpop.gremlin.algorithm.generator.AbstractGenerator

org.apache.tinkerpop.gremlin.algorithm.generator.CommunityGenerator

All Implemented Interfaces:

Generator

public class CommunityGenerator
extends AbstractGenerator

Generates a synthetic network with a community structure, that is, several densely connected sub-networks that are loosely connected with one another.

Author:

Matthias Broecheler (me@matthiasb.com), Stephen Mallette (http://stephen.genoprime.com)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	CommunityGenerator.Builder

Nested classes/interfaces inherited from class org.apache.tinkerpop.gremlin.algorithm.generator.AbstractGenerator

AbstractGenerator.AbstractGeneratorBuilder<T extends AbstractGenerator.AbstractGeneratorBuilder>

Field Summary

Fields

Modifier and Type	Field	Description
static final double	DEFAULT_CROSS_COMMUNITY_PERCENTAGE
static final int	DEFAULT_NUMBER_OF_COMMUNITIES

Fields inherited from class org.apache.tinkerpop.gremlin.algorithm.generator.AbstractGenerator

g, seedSupplier

Method Summary

Modifier and Type	Method	Description
static CommunityGenerator.Builder	build(Graph g)
int	generate()	Generates a synthetic network for provided vertices in the given graph such that the provided expected number of communities are generated with the specified expected number of edges.

Methods inherited from class org.apache.tinkerpop.gremlin.algorithm.generator.AbstractGenerator

addEdge, processVertex

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_CROSS_COMMUNITY_PERCENTAGE

public static final double DEFAULT_CROSS_COMMUNITY_PERCENTAGE

See Also:

• Constant Field Values

DEFAULT_NUMBER_OF_COMMUNITIES

public static final int DEFAULT_NUMBER_OF_COMMUNITIES

See Also:

• Constant Field Values

Method Details

generate

public int generate()

Generates a synthetic network for provided vertices in the given graph such that the provided expected number of communities are generated with the specified expected number of edges.

Returns:

The actual number of edges generated. May be different from the expected number.

build

public static CommunityGenerator.Builder build(Graph g)