github.com/gopherd/gonum@v0.0.4/graph/formats/rdf/graph_export_test.go (about)

     1  // Copyright ©2022 The Gonum Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package rdf
     6  
     7  import "github.com/gopherd/gonum/graph"
     8  
     9  var (
    10  	g *Graph
    11  
    12  	_ graph.Graph              = g
    13  	_ graph.Directed           = g
    14  	_ graph.Multigraph         = g
    15  	_ graph.DirectedMultigraph = g
    16  	_ graph.NodeAdder          = g
    17  	_ graph.NodeRemover        = g
    18  	_ graph.LineAdder          = g
    19  	_ graph.LineRemover        = g
    20  )
    21  
    22  // AddNode adds n to the graph. It panics if the added node ID matches an existing node ID.
    23  func (g *Graph) AddNode(n graph.Node) {
    24  	g.addNode(n)
    25  }
    26  
    27  // NewLine returns a new Line from the source to the destination node.
    28  // The returned Line will have a graph-unique ID.
    29  // The Line's ID does not become valid in g until the Line is added to g.
    30  func (g *Graph) NewLine(from, to graph.Node) graph.Line {
    31  	return g.newLine(from, to)
    32  }
    33  
    34  // NewNode returns a new unique Node to be added to g. The Node's ID does
    35  // not become valid in g until the Node is added to g.
    36  func (g *Graph) NewNode() graph.Node {
    37  	return g.newNode()
    38  }
    39  
    40  // RemoveLine removes the line with the given end point and line IDs from the graph, leaving
    41  // the terminal nodes. If the line does not exist it is a no-op.
    42  func (g *Graph) RemoveLine(fid, tid, id int64) {
    43  	g.removeLine(fid, tid, id)
    44  }
    45  
    46  // RemoveNode removes the node with the given ID from the graph, as well as any edges attached
    47  // to it. If the node is not in the graph it is a no-op.
    48  func (g *Graph) RemoveNode(id int64) {
    49  	g.removeNode(id)
    50  }
    51  
    52  // SetLine adds l, a line from one node to another. If the nodes do not exist, they are added
    53  // and are set to the nodes of the line otherwise.
    54  func (g *Graph) SetLine(l graph.Line) {
    55  	g.setLine(l)
    56  }