GraphEdgeChangeEvent (JGraphT : a free Java graph library)

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java.lang.Object
- java.util.EventObject
- - org._3pq.jgrapht.event.GraphChangeEvent
  - - org._3pq.jgrapht.event.GraphEdgeChangeEvent

All Implemented Interfaces:

java.io.Serializable
```
public class GraphEdgeChangeEvent
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.

Since:

Aug 10, 2003

Author:

Barak Naveh

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`BEFORE_EDGE_ADDED` Before edge added event.
`static int`	`BEFORE_EDGE_REMOVED` Before edge removed event.
`static int`	`EDGE_ADDED` Edge added event.
`static int`	`EDGE_REMOVED` Edge removed event.
`protected Edge`	`m_edge` The edge that this event is related to.

Fields inherited from class org._3pq.jgrapht.event.GraphChangeEvent
m_type

Fields inherited from class java.util.EventObject
source

Constructor Summary

Constructors
Constructor and Description

GraphEdgeChangeEvent(java.lang.Object eventSource, int type, Edge e)
Constructor for GraphEdgeChangeEvent.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method and Description

Edge getEdge()
Returns the edge that this event is related to.
- Methods inherited from class org._3pq.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 Detail
  - 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
  - m_edge
```
protected Edge m_edge
```
    The edge that this event is related to.
- Constructor Detail
  - GraphEdgeChangeEvent
```
public GraphEdgeChangeEvent(java.lang.Object eventSource,
                            int type,
                            Edge e)
```
    Constructor for GraphEdgeChangeEvent.
    
    Parameters:
    
    eventSource - the source of this event.
    
    type - the event type of this event.
    
    e - the edge that this event is related to.
- Method Detail
  - getEdge
```
public Edge getEdge()
```
    Returns the edge that this event is related to.
    
    Returns:
    
    the edge that this event is related to.

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