Module org.jgrapht.core

Package org.jgrapht.event

Class GraphVertexChangeEvent<V>

java.lang.Object

java.util.EventObject

org.jgrapht.event.GraphChangeEvent

org.jgrapht.event.GraphVertexChangeEvent<V>

Type Parameters:

V - the graph vertex type

All Implemented Interfaces:

Serializable

public class GraphVertexChangeEvent<V>
extends GraphChangeEvent

An event which indicates that a graph vertex has changed, or is about to change. The event can be used either as an indication after the vertex has been added or removed, or before it is added. The type of the event can be tested using the GraphChangeEvent.getType() method.

Author:

Barak Naveh

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	BEFORE_VERTEX_ADDED	Before vertex added event.
static final int	BEFORE_VERTEX_REMOVED	Before vertex removed event.
protected V	vertex	The vertex that this event is related to.
static final int	VERTEX_ADDED	Vertex added event.
static final int	VERTEX_REMOVED	Vertex removed event.

Fields inherited from class org.jgrapht.event.GraphChangeEvent

type

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
GraphVertexChangeEvent(Object eventSource, int type, V vertex)	Creates a new GraphVertexChangeEvent object.

Method Summary

Modifier and Type	Method	Description
V	getVertex()	Returns the vertex that this event is related to.

Methods inherited from class org.jgrapht.event.GraphChangeEvent

getType

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Field Details

BEFORE_VERTEX_ADDED

public static final int BEFORE_VERTEX_ADDED

Before vertex added event. This event is fired before a vertex is added to a graph.

See Also:

• Constant Field Values

BEFORE_VERTEX_REMOVED

public static final int BEFORE_VERTEX_REMOVED

Before vertex removed event. This event is fired before a vertex is removed from a graph.

See Also:

• Constant Field Values

VERTEX_ADDED

public static final int VERTEX_ADDED

Vertex added event. This event is fired after a vertex is added to a graph.

See Also:

• Constant Field Values

VERTEX_REMOVED

public static final int VERTEX_REMOVED

Vertex removed event. This event is fired after a vertex is removed from a graph.

See Also:

• Constant Field Values

vertex

protected V vertex

The vertex that this event is related to.

Constructor Details

GraphVertexChangeEvent

public GraphVertexChangeEvent(Object eventSource,
 int type,
 V vertex)

Creates a new GraphVertexChangeEvent object.

Parameters:

eventSource - the source of the event.

type - the type of the event.

vertex - the vertex that the event is related to.

Method Details

getVertex

public V getVertex()

Returns the vertex that this event is related to.

Returns:

the vertex that this event is related to.