Underped my generics
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1 changed files with 6 additions and 15 deletions
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@ -10,9 +10,9 @@ import java.util.NoSuchElementException;
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import java.util.SortedSet;
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import java.util.TreeSet;
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public class WeightedDirectedGraph<T, E extends WeightedEdge<T>> implements Iterable<T> {
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public class WeightedDirectedGraph<T> implements Iterable<T> {
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private final Map<T, SortedSet<E>> graph = new HashMap<T, SortedSet<E>>();
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private final Map<T, SortedSet<WeightedEdge<T>>> graph = new HashMap<T, SortedSet<WeightedEdge<T>>>();
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private List<T> orderedNodes = new ArrayList<T>();
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public boolean addNode(T node)
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@ -23,9 +23,9 @@ public class WeightedDirectedGraph<T, E extends WeightedEdge<T>> implements Iter
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}
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orderedNodes.add(node);
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graph.put(node, new TreeSet<E>(new Comparator<E>()
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graph.put(node, new TreeSet<WeightedEdge<T>>(new Comparator<WeightedEdge<T>>()
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{
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public int compare(E o1, E o2) {
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public int compare(WeightedEdge<T> o1, WeightedEdge<T> o2) {
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return orderedNodes.indexOf(o1)-orderedNodes.indexOf(o2);
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}
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}));
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@ -35,15 +35,7 @@ public class WeightedDirectedGraph<T, E extends WeightedEdge<T>> implements Iter
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public void addEdge(T from, T to)
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{
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if (!(graph.containsKey(from) && graph.containsKey(to)))
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{
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throw new NoSuchElementException("Missing nodes from graph");
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}
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@SuppressWarnings("unchecked")
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E edge = (E) new WeightedEdge<T>(1, to);
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graph.get(from).add(edge);
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addEdge(from, to, 1);
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}
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public void addEdge(T from, T to, int weight)
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@ -53,8 +45,7 @@ public class WeightedDirectedGraph<T, E extends WeightedEdge<T>> implements Iter
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throw new NoSuchElementException("Missing nodes from graph");
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}
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@SuppressWarnings("unchecked")
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E edge = (E) new WeightedEdge<T>(weight, to);
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WeightedEdge<T> edge = new WeightedEdge<T>(weight, to);
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graph.get(from).add(edge);
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}
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