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import tfm.arcs.Arc;
import tfm.arcs.data.ArcData;
import tfm.nodes.Vertex;
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import java.util.Comparator;
import java.util.stream.Collectors;
/**
* A graphlibGraph without cost and data in arcs
* */
public abstract class Graph<NodeType extends Vertex> extends edg.graphlib.Graph<String, ArcData> {
public final static class VertexId {
private static int nextVertexId = 0;
private int id;
private VertexId(int id) {
this.id = id;
}
static synchronized VertexId getVertexId() {
return new VertexId(nextVertexId++);
}
public int getId() {
return id;
}
@Override
public String toString() {
return String.valueOf(id);
}
}
public Graph() {
super();
}
@SuppressWarnings("unchecked")
@Override
public NodeType getRootVertex() {
return (NodeType) super.getRootVertex();
}
public abstract NodeType addVertex(String instruction);
public String toString() {
return getVerticies().stream()
.map(edg.graphlib.Vertex::toString)
.collect(Collectors.joining(System.lineSeparator()));
}
public String toGraphvizRepresentation() {
String arrows =
getArrows().stream()
.sorted(Comparator.comparingInt(arrow -> ((Vertex) arrow.getFrom()).getId()))
.map(arrow -> ((Arc) arrow).toGraphvizRepresentation())
.collect(Collectors.joining(System.lineSeparator()));
String lineSep = System.lineSeparator();
return "digraph g{" + lineSep +
arrows + lineSep +
"}";
}
}