com.github.rinde.rinsim.geom.Graph.getConnection()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
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本文整理了Java中com.github.rinde.rinsim.geom.Graph.getConnection()方法的一些代码示例，展示了Graph.getConnection()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Graph.getConnection()方法的具体详情如下：
包路径：com.github.rinde.rinsim.geom.Graph
类名称：Graph
方法名：getConnection

Graph.getConnection介绍

[英]Returns a Connection between from and to.
[中]返回from和to之间的连接。

代码示例

代码示例来源：origin: com.github.rinde/rinsim-geom

@Override
public Connection<E> getConnection(Point from, Point to) {
 return delegate.getConnection(from, to);
}

代码示例来源：origin: rinde/RinSim

assertTrue(graph.hasConnection(n3, n2));
assertEquals(1.4, graph.getConnection(n0, n1).data().get().getLength()
 .get().doubleValue(), 0);
assertEquals(.8, graph.getConnection(n0, n19663).data().get().getLength()
 .get().doubleValue(), 0);
assertEquals(1.0, graph.getConnection(n0, n16767).data().get().getLength()
 .get().doubleValue(), 0);
assertEquals(1.4, graph.getConnection(n1, n0).data().get().getLength()
 .get().doubleValue(), 0);
assertEquals(1.6, graph.getConnection(n1, n2).data().get().getLength()
 .get().doubleValue(), 0);
assertEquals(1.6, graph.getConnection(n2, n1).data().get().getLength()
 .get().doubleValue(), 0);
assertEquals(1.1, graph.getConnection(n2, n3).data().get().getLength()
 .get().doubleValue(), 0);
assertEquals(1.1, graph.getConnection(n3, n2).data().get().getLength()
 .get().doubleValue(), 0);

代码示例来源：origin: rinde/RinSim

@Override
public Connection<E> getConnection(Point from, Point to) {
 return delegate.getConnection(from, to);
}

代码示例来源：origin: com.github.rinde/rinsim-geom

@Nullable
MultiAttributeData getData(Graph<?> graph, Point from, Point to) {
 if (graph.hasConnection(from, to)) {
  final Connection<?> conn = graph.getConnection(from, to);
  safeToCast = lastGraph == graph && safeToCast;
  lastGraph = graph;
  if (conn.data().isPresent()
   && (safeToCast || conn.data().get() instanceof MultiAttributeData)) {
   safeToCast = true;
   return (MultiAttributeData) conn.data().get();
  }
 }
 return null;
}

代码示例来源：origin: rinde/RinSim

@Nullable
MultiAttributeData getData(Graph<?> graph, Point from, Point to) {
 if (graph.hasConnection(from, to)) {
  final Connection<?> conn = graph.getConnection(from, to);
  safeToCast = lastGraph == graph && safeToCast;
  lastGraph = graph;
  if (conn.data().isPresent()
   && (safeToCast || conn.data().get() instanceof MultiAttributeData)) {
   safeToCast = true;
   return (MultiAttributeData) conn.data().get();
  }
 }
 return null;
}

代码示例来源：origin: rinde/RinSim

@Override
public void removeConnection(Point from, Point to) {
 final Connection<?> conn = delegate.getConnection(from, to);
 delegate.removeConnection(from, to);
 eventDispatcher
  .dispatchEvent(new GraphEvent(
   EventTypes.REMOVE_CONNECTION, this, conn));
}

代码示例来源：origin: com.github.rinde/rinsim-geom

@Override
public void removeNode(Point node) {
 // collect data of removed connections but only if there is a listener
 final List<Connection<?>> removedConnections = newArrayList();
 if (eventDispatcher.hasListenerFor(EventTypes.REMOVE_CONNECTION)) {
  for (final Point p : delegate.getIncomingConnections(node)) {
   removedConnections.add(delegate.getConnection(p, node));
  }
  for (final Point p : delegate.getOutgoingConnections(node)) {
   removedConnections.add(delegate.getConnection(node, p));
  }
 }
 delegate.removeNode(node);
 // notify listeners
 for (final Connection<?> c : removedConnections) {
  eventDispatcher.dispatchEvent(new GraphEvent(
   EventTypes.REMOVE_CONNECTION, this, c));
 }
}

代码示例来源：origin: rinde/RinSim

@Override
public void removeNode(Point node) {
 // collect data of removed connections but only if there is a listener
 final List<Connection<?>> removedConnections = newArrayList();
 if (eventDispatcher.hasListenerFor(EventTypes.REMOVE_CONNECTION)) {
  for (final Point p : delegate.getIncomingConnections(node)) {
   removedConnections.add(delegate.getConnection(p, node));
  }
  for (final Point p : delegate.getOutgoingConnections(node)) {
   removedConnections.add(delegate.getConnection(node, p));
  }
 }
 delegate.removeNode(node);
 // notify listeners
 for (final Connection<?> c : removedConnections) {
  eventDispatcher.dispatchEvent(new GraphEvent(
   EventTypes.REMOVE_CONNECTION, this, c));
 }
}

代码示例来源：origin: com.github.rinde/rinsim-geom

@Override
public void removeConnection(Point from, Point to) {
 final Connection<?> conn = delegate.getConnection(from, to);
 delegate.removeConnection(from, to);
 eventDispatcher
  .dispatchEvent(new GraphEvent(
   EventTypes.REMOVE_CONNECTION, this, conn));
}

代码示例来源：origin: rinde/RinSim

/**
 * Returns all {@link RoadUser}s that are on the connection between
 * <code>from</code> and <code>to</code> (inclusive).
 * @param from The start point of a connection.
 * @param to The end point of a connection.
 * @return The {@link RoadUser}s that are on the connection, or an empty set
 *         in case {@link #hasRoadUserOn(Point, Point)} returns
 *         <code>false</code>.
 * @throws IllegalArgumentException if no connection exists between
 *           <code>from</code> and <code>to</code>.
 */
@Override
public ImmutableSet<RoadUser> getRoadUsersOn(Point from, Point to) {
 checkConnectionsExists(from, to);
 final Connection<?> conn = graph.getConnection(from, to);
 return ImmutableSet.<RoadUser>builder()
  .addAll(registry().getObjectsOn(conn))
  .addAll(registry().getObjectsOn(from))
  .addAll(registry().getObjectsOn(to))
  .build();
}

代码示例来源：origin: rinde/RinSim

+ "connection in the graph.",
 from, to);
conn = graph.getConnection(from, to);

代码示例来源：origin: rinde/RinSim

@SuppressWarnings("unchecked")
final Connection<T> conn =
 (Connection<T>) roadModel.getGraph().getConnection(prev, cur);

代码示例来源：origin: rinde/RinSim

@Override
 public double calculateTravelTime(Graph<?> graph, Point from, Point to,
   Unit<Length> distanceUnit,
   Measure<Double, Velocity> speed, Unit<Duration> outputTimeUnit) {
  final Measure<Double, Length> distance = Measure
   .valueOf(graph.getConnection(from, to).getLength(), distanceUnit);
  return Measure.valueOf(distance.doubleValue(SI.METER)
   // divided by m/s
   / speed.doubleValue(SI.METERS_PER_SECOND),
   // gives seconds
   SI.SECOND)
   // convert to desired unit
   .doubleValue(outputTimeUnit);
 }
}

代码示例来源：origin: rinde/RinSim

graph.get().getConnection(nextFrom, conn.from());
shockwave.offer(new ShockwaveSimulation(shockwave, conn, nextConn,
 nextRelExTimestamp, nextRelReTimestamp, nextActualExTimestamp,

代码示例来源：origin: com.github.rinde/rinsim-geom

@Override
 public double calculateTravelTime(Graph<?> graph, Point from, Point to,
   Unit<Length> distanceUnit,
   Measure<Double, Velocity> speed, Unit<Duration> outputTimeUnit) {
  final Measure<Double, Length> distance = Measure
   .valueOf(graph.getConnection(from, to).getLength(), distanceUnit);
  return Measure.valueOf(distance.doubleValue(SI.METER)
   // divided by m/s
   / speed.doubleValue(SI.METERS_PER_SECOND),
   // gives seconds
   SI.SECOND)
   // convert to desired unit
   .doubleValue(outputTimeUnit);
 }
}

代码示例来源：origin: rinde/RinSim

@Test(expected = IllegalArgumentException.class)
public void nonExistingConnection() {
 graph.getConnection(new Point(1, 2), new Point(2, 3));
}

代码示例来源：origin: rinde/RinSim

/**
 * Checks whether there is a {@link RoadUser} on the connection between
 * <code>from</code> and <code>to</code> (inclusive).
 * @param from The start point of a connection.
 * @param to The end point of a connection.
 * @return <code>true</code> if a {@link RoadUser} occupies either
 *         <code>from</code>, <code>to</code> or the connection between
 *         <code>from</code> and <code>to</code>, <code>false</code>
 *         otherwise.
 * @throws IllegalArgumentException if no connection exists between
 *           <code>from</code> and <code>to</code>.
 */
@Override
public boolean hasRoadUserOn(Point from, Point to) {
 checkConnectionsExists(from, to);
 return registry().hasObjectOn(graph.getConnection(from, to))
  || registry().hasObjectOn(from)
  || registry().hasObjectOn(to);
}

代码示例来源：origin: rinde/RinSim

@Test
public void unmodifiable2() {
 final Point N = new Point(0, 5);
 final Point E = new Point(5, 0);
 final Point S = new Point(0, -5);
 final Point W = new Point(-5, 0);
 Graphs.addBiPath(graph, N, E, S, W, N);
 final Graph<LengthData> unmod = Graphs.unmodifiableGraph(graph);
 graph.addConnection(N, S);
 assertEquals(graph.getConnection(N, S), unmod.getConnection(N, S));
}

代码示例来源：origin: rinde/RinSim

@Override
 public void handleEvent(Event e) {
  GraphEvent ge = (GraphEvent) e;
  if (e.getEventType() == ADD_CONNECTION) {
   assertTrue(ge.getGraph().hasConnection(ge.getConnection()));
   assertEquals(
    ge.getConnection(),
    ge.getGraph().getConnection(ge.getConnection().from(),
     ge.getConnection().to()));
  } else if (e.getEventType() == REMOVE_CONNECTION) {
   assertFalse(ge.getGraph().hasConnection(ge.getConnection().from(),
    ge.getConnection().to()));
  } else if (e.getEventType() == CHANGE_CONNECTION_DATA) {
   assertTrue(ge.getGraph().hasConnection(ge.getConnection().from(),
    ge.getConnection().to()));
   assertEquals(
    ge.getConnection().data(),
    ge.getGraph()
     .getConnection(ge.getConnection().from(),
      ge.getConnection().to())
     .data());
  }
 }
}

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