Module org.jgrapht.core

Package org.jgrapht.event

Class GraphEdgeChangeEvent<V,E>

java.lang.Object

java.util.EventObject

org.jgrapht.event.GraphChangeEvent

org.jgrapht.event.GraphEdgeChangeEvent<V,E>

Type Parameters:

V - the graph vertex type

E - the graph edge type

All Implemented Interfaces:

Serializable

public class GraphEdgeChangeEvent<V,E>
extends GraphChangeEvent

An event which indicates that a graph edge has changed, or is about to change. The event can be used either as an indication after the edge 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_EDGE_ADDED	Before edge added event.
static final int	BEFORE_EDGE_REMOVED	Before edge removed event.
protected E	edge	The edge that this event is related to.
static final int	EDGE_ADDED	Edge added event.
static final int	EDGE_REMOVED	Edge removed event.
static final int	EDGE_WEIGHT_UPDATED	Edge weight updated event.
protected V	edgeSource	The source vertex of the edge that this event is related to.
protected V	edgeTarget	The target vertex of the edge that this event is related to.
protected double	edgeWeight	The weight of the edge that this event is related to.

Fields inherited from class org.jgrapht.event.GraphChangeEvent

type

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
GraphEdgeChangeEvent(Object eventSource, int type, E edge, V edgeSource, V edgeTarget)	Constructor for GraphEdgeChangeEvent.
GraphEdgeChangeEvent(Object eventSource, int type, E edge, V edgeSource, V edgeTarget, double edgeWeight)	Constructor for GraphEdgeChangeEvent.

Method Summary

Modifier and Type	Method	Description
E	getEdge()	Returns the edge that this event is related to.
V	getEdgeSource()	Returns the source vertex that this event is related to.
V	getEdgeTarget()	Returns the target vertex that this event is related to.
double	getEdgeWeight()	Returns the weight of the edge 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_EDGE_ADDED

public static final int BEFORE_EDGE_ADDED

Before edge added event. This event is fired before an edge is added to a graph.

See Also:

• Constant Field Values

BEFORE_EDGE_REMOVED

public static final int BEFORE_EDGE_REMOVED

Before edge removed event. This event is fired before an edge is removed from a graph.

See Also:

• Constant Field Values

EDGE_ADDED

public static final int EDGE_ADDED

Edge added event. This event is fired after an edge is added to a graph.

See Also:

• Constant Field Values

EDGE_REMOVED

public static final int EDGE_REMOVED

Edge removed event. This event is fired after an edge is removed from a graph.

See Also:

• Constant Field Values

EDGE_WEIGHT_UPDATED

public static final int EDGE_WEIGHT_UPDATED

Edge weight updated event. This event is fired after an edge weight is updated in a graph.

See Also:

• Constant Field Values

edge

protected E edge

The edge that this event is related to.

edgeSource

protected V edgeSource

The source vertex of the edge that this event is related to.

edgeTarget

protected V edgeTarget

The target vertex of the edge that this event is related to.

edgeWeight

protected double edgeWeight

The weight of the edge that this event is related to.

Constructor Details

GraphEdgeChangeEvent

public GraphEdgeChangeEvent(Object eventSource,
 int type,
 E edge,
 V edgeSource,
 V edgeTarget)

Constructor for GraphEdgeChangeEvent.

Parameters:

eventSource - the source of this event.

type - the event type of this event.

edge - the edge that this event is related to.

edgeSource - edge source vertex

edgeTarget - edge target vertex

GraphEdgeChangeEvent

public GraphEdgeChangeEvent(Object eventSource,
 int type,
 E edge,
 V edgeSource,
 V edgeTarget,
 double edgeWeight)

Constructor for GraphEdgeChangeEvent.

Parameters:

eventSource - the source of this event.

type - the event type of this event.

edge - the edge that this event is related to.

edgeSource - edge source vertex

edgeTarget - edge target vertex

edgeWeight - edge weight

Method Details

getEdge

public E getEdge()

Returns the edge that this event is related to.

Returns:

event edge

getEdgeSource

public V getEdgeSource()

Returns the source vertex that this event is related to.

Returns:

event source vertex

getEdgeTarget

public V getEdgeTarget()

Returns the target vertex that this event is related to.

Returns:

event target vertex

getEdgeWeight

public double getEdgeWeight()

Returns the weight of the edge that this event is related to.

Returns:

event edge weight