org.jgrapht.io

Class EmptyComponentAttributeProvider<T>

java.lang.Object

org.jgrapht.io.EmptyComponentAttributeProvider<T>

Type Parameters:

T - the component type

All Implemented Interfaces:

ComponentAttributeProvider<T>

public class EmptyComponentAttributeProvider<T>
extends Object
implements ComponentAttributeProvider<T>

A component attribute provider which always returns an empty collection.

Author:

Dimitrios Michail

Constructor Summary

Constructors

Constructor and Description
EmptyComponentAttributeProvider()

Method Summary

Modifier and Type	Method and Description
Map<String,Attribute>	getComponentAttributes(T component) Returns a set of attribute key/value pairs for a vertex or edge.

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyComponentAttributeProvider

public EmptyComponentAttributeProvider()

Method Detail

getComponentAttributes

public Map<String,Attribute> getComponentAttributes(T component)

Description copied from interface: ComponentAttributeProvider

Returns a set of attribute key/value pairs for a vertex or edge. If order is important in the output, be sure to use an order-deterministic map implementation.

Specified by:

getComponentAttributes in interface ComponentAttributeProvider<T>

Parameters:

component - vertex or edge for which attributes are to be obtained

Returns:

key/value pairs, or null if no attributes should be supplied