Package org.jgrapht.event

Class GraphVertexChangeEvent<V>

  • Type Parameters:
    V - the graph vertex type
    All Implemented Interfaces:
    java.io.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

    • Constructor Summary

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

    • Method Summary

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

      • 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_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 Detail

      • GraphVertexChangeEvent

        public GraphVertexChangeEvent​(java.lang.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 Detail

      • getVertex

        public V getVertex()
        Returns the vertex that this event is related to.
        Returns:
        the vertex that this event is related to.