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This class describes the interface of alterable directed graphs. It extends BaseDigraphComponent with the alteration notifier interface. It implements an observer-notifier pattern for each digraph item. More obsevers can be registered into the notifier and whenever an alteration occured in the digraph all the observers will be notified about it.
#include <lemon/concepts/graph_components.h>
Public Types | |
typedef AlterationNotifier< AlterableDigraphComponent, Node > | NodeNotifier |
Node alteration notifier class. | |
typedef AlterationNotifier< AlterableDigraphComponent, Arc > | ArcNotifier |
Arc alteration notifier class. | |
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typedef GraphItem< 'n'> | Node |
Node class of the digraph. More... | |
typedef GraphItem< 'a'> | Arc |
Arc class of the digraph. More... | |
Public Member Functions | |
NodeNotifier & | notifier (Node) const |
Return the node alteration notifier. More... | |
ArcNotifier & | notifier (Arc) const |
Return the arc alteration notifier. More... | |
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Node | source (const Arc &) const |
Return the source node of an arc. More... | |
Node | target (const Arc &) const |
Return the target node of an arc. More... | |
Node | oppositeNode (const Node &, const Arc &) const |
Return the opposite node on the given arc. More... | |
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inline |
This function gives back the node alteration notifier.
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inline |
This function gives back the arc alteration notifier.