Package org.jgrapht.event
Class GraphEdgeChangeEvent<V,E>
- java.lang.Object
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- java.util.EventObject
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- org.jgrapht.event.GraphChangeEvent
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- org.jgrapht.event.GraphEdgeChangeEvent<V,E>
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- Type Parameters:
V
- the graph vertex typeE
- the graph edge type
- All Implemented Interfaces:
java.io.Serializable
- Direct Known Subclasses:
DefaultListenableGraph.FlyweightEdgeEvent
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 theGraphChangeEvent.getType()
method.- Since:
- Aug 10, 2003
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description static int
BEFORE_EDGE_ADDED
Before edge added event.static int
BEFORE_EDGE_REMOVED
Before edge removed event.protected E
edge
The edge that this event is related to.static int
EDGE_ADDED
Edge added event.static int
EDGE_REMOVED
Edge removed 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.private static long
serialVersionUID
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Fields inherited from class org.jgrapht.event.GraphChangeEvent
type
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Constructor Summary
Constructors Constructor Description GraphEdgeChangeEvent(java.lang.Object eventSource, int type, E edge, V edgeSource, V edgeTarget)
Constructor for GraphEdgeChangeEvent.
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Method Summary
All Methods Instance Methods Concrete Methods 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.-
Methods inherited from class org.jgrapht.event.GraphChangeEvent
getType
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Field Detail
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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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
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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
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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
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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
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edge
protected E edge
The edge that this event is related to.
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edgeSource
protected V edgeSource
The source vertex of the edge that this event is related to.
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edgeTarget
protected V edgeTarget
The target vertex of the edge that this event is related to.
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Constructor Detail
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GraphEdgeChangeEvent
public GraphEdgeChangeEvent(java.lang.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 vertexedgeTarget
- edge target vertex
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Method Detail
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getEdge
public E getEdge()
Returns the edge that this event is related to.- Returns:
- event edge
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getEdgeSource
public V getEdgeSource()
Returns the source vertex that this event is related to.- Returns:
- event source vertex
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getEdgeTarget
public V getEdgeTarget()
Returns the target vertex that this event is related to.- Returns:
- event target vertex
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