Type Parameters:: V - the vertex data type; A - the arrow data type

All Superinterfaces:: BareDirectedVertexGraph<V>

All Known Subinterfaces:: BareBidiGraph<V,A>, BidiGraph<V,A>, DirectedGraph<V,A>, MutableBidiGraph<V,A>, MutableDirectedGraph<V,A>

All Known Implementing Classes:: ImmutableAttributed16BitIndexedDirectedGraph, ImmutableAttributed32BitIndexedBidiGraph, ImmutableAttributed32BitIndexedDirectedGraph, IndexedBidiGraphBidiGraphFacade, IndexedDirectedGraphDirectedGraphFacade, SimpleMutableBidiGraph, SimpleMutableDirectedGraph

public interface BareDirectedGraph<V,A> extends BareDirectedVertexGraph<V>

A minimalistic read-only interface to a directed graph.

A directed graph is a tuple G = (V, A) where V is a set of vertices and A is a set or bag of arrows.

This facade supports a data object for each arrow. The type of the arrow data object is provided by the type parameter <A>.

Users of this interface may define <A> as a tuple (v_i, v_j) but are not required to do so, because this interface provides methods for accessing the next vertex of a given vertex without having to deal with the arrow object.

Method Summary

Modifier and Type

Method

Description

@Nullable A

getNextArrow(@NonNull V v, int index)

Returns the arrow data associated with the specified vertex and outgoing arrow index.

Methods inherited from interface org.jhotdraw8.graph.BareDirectedVertexGraph
getNext, getNextCount, getVertices

Method Details
- getNextArrow
  
  @Nullable A getNextArrow(@NonNull V v, int index)
  
  Returns the arrow data associated with the specified vertex and outgoing arrow index.
  Parameters:
  
  v - a vertex
  
  index - index of outgoing arrow
  
  Returns:
  
  the next arrow data
  
  See Also:
  
  BareDirectedVertexGraph.getNextCount(V)

Interface BareDirectedGraph<V,A>

Method Summary

Methods inherited from interface org.jhotdraw8.graph.BareDirectedVertexGraph

Method Details

getNextArrow