本文整理了Java中org.springframework.data.geo.Distance类的一些代码示例，展示了Distance类的具体用法。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。Distance类的具体详情如下：
包路径：org.springframework.data.geo.Distance
类名称：Distance

Distance介绍

[英]Value object to represent distances in a given metric.
[中]

代码示例

代码示例来源：origin: spring-projects/spring-data-redis

@Override
public GeoResults<GeoLocation<byte[]>> geoRadiusByMember(byte[] key, byte[] member, Distance radius) {
  Assert.notNull(key, "Key must not be null!");
  Assert.notNull(member, "Member must not be null!");
  Assert.notNull(radius, "Radius must not be null!");
  GeoUnit geoUnit = JedisConverters.toGeoUnit(radius.getMetric());
  try {
    return JedisConverters.geoRadiusResponseToGeoResultsConverter(radius.getMetric())
        .convert(connection.getCluster().georadiusByMember(key, member, radius.getValue(), geoUnit));
  } catch (Exception ex) {
    throw convertJedisAccessException(ex);
  }
}

代码示例来源：origin: spring-projects/spring-data-mongodb

/**
 * Sets the maximum distance supplied in a given metric. Will normalize the distance but not reconfigure the query's
 * result {@link Metric} if one was configured before.
 *
 * @param maxDistance
 * @param metric must not be {@literal null}.
 * @return
 */
public NearQuery maxDistance(double maxDistance, Metric metric) {
  Assert.notNull(metric, "Metric must not be null!");
  return maxDistance(new Distance(maxDistance, metric));
}

代码示例来源：origin: spring-projects/spring-data-mongodb

@Override
  public Document convert(Circle source) {
    if (source == null) {
      return null;
    }
    Document result = new Document();
    result.put("center", PointToDocumentConverter.INSTANCE.convert(source.getCenter()));
    result.put("radius", source.getRadius().getNormalizedValue());
    result.put("metric", source.getRadius().getMetric().toString());
    return result;
  }
}

代码示例来源：origin: redisson/redisson

@Override
public GeoResults<GeoLocation<byte[]>> geoRadiusByMember(byte[] key, byte[] member, Distance radius) {
  return read(key, ByteArrayCodec.INSTANCE, GEORADIUSBYMEMBER, key, member, radius.getValue(), radius.getMetric().getAbbreviation());
}

代码示例来源：origin: redisson/redisson

@Override
public GeoResults<GeoLocation<byte[]>> geoRadius(byte[] key, Circle within) {
  RedisCommand<GeoResults<GeoLocation<byte[]>>> command = new RedisCommand<GeoResults<GeoLocation<byte[]>>>("GEORADIUS", new GeoResultsDecoder());
  return read(key, ByteArrayCodec.INSTANCE, command, key, 
          convert(within.getCenter().getX()), convert(within.getCenter().getY()), 
          within.getRadius().getValue(), within.getRadius().getMetric().getAbbreviation());
}

代码示例来源：origin: spring-projects/spring-data-redis

@Override
public GeoResults<GeoLocation<byte[]>> geoRadius(byte[] key, Circle within) {
  Assert.notNull(key, "Key must not be null!");
  Assert.notNull(within, "Within must not be null!");
  try {
    return JedisConverters.geoRadiusResponseToGeoResultsConverter(within.getRadius().getMetric())
        .convert(connection.getCluster().georadius(key, within.getCenter().getX(), within.getCenter().getY(),
            within.getRadius().getValue(), JedisConverters.toGeoUnit(within.getRadius().getMetric())));
  } catch (Exception ex) {
    throw convertJedisAccessException(ex);
  }
}

代码示例来源：origin: spring-projects/spring-data-mongodb

/**
 * Creates a Sphere around the given center {@link Point} with the given radius.
 *
 * @param center must not be {@literal null}.
 * @param radius must not be {@literal null}.
 */
@PersistenceConstructor
public Sphere(Point center, Distance radius) {
  Assert.notNull(center, "Center point must not be null!");
  Assert.notNull(radius, "Radius must not be null!");
  Assert.isTrue(radius.getValue() >= 0, "Radius must not be negative!");
  this.center = center;
  this.radius = radius;
}

代码示例来源：origin: apache/servicemix-bundles

/**
 * Adds the given distance to the current one. The resulting {@link Distance} will be in the same metric as the
 * current one.
 *
 * @param other must not be {@literal null}.
 * @return
 */
public Distance add(Distance other) {
  Assert.notNull(other, "Distance to add must not be null!");
  double newNormalizedValue = getNormalizedValue() + other.getNormalizedValue();
  return new Distance(newNormalizedValue * metric.getMultiplier(), metric);
}

代码示例来源：origin: spring-projects/spring-data-mongodb

@Override
  public Circle convert(Document source) {
    if (source == null) {
      return null;
    }
    Document center = (Document) source.get("center");
    Number radius = (Number) source.get("radius");
    Assert.notNull(center, "Center must not be null!");
    Assert.notNull(radius, "Radius must not be null!");
    Distance distance = new Distance(toPrimitiveDoubleValue(radius));
    if (source.containsKey("metric")) {
      String metricString = (String) source.get("metric");
      Assert.notNull(metricString, "Metric must not be null!");
      distance = distance.in(Metrics.valueOf(metricString));
    }
    return new Circle(DocumentToPointConverter.INSTANCE.convert(center), distance);
  }
}

代码示例来源：origin: spring-projects/spring-data-mongodb

/**
 * Sets the maximum distance to the given {@link Distance}. Will set the returned {@link Metric} to be the one of the
 * given {@link Distance} if {@link Metric} was {@link Metrics#NEUTRAL} before.
 *
 * @param distance must not be {@literal null}.
 * @return
 */
public NearQuery maxDistance(Distance distance) {
  Assert.notNull(distance, "Distance must not be null!");
  if (distance.getMetric() != Metrics.NEUTRAL) {
    this.spherical(true);
  }
  if (ObjectUtils.nullSafeEquals(Metrics.NEUTRAL, this.metric)) {
    in(distance.getMetric());
  }
  this.maxDistance = distance;
  return this;
}

代码示例来源：origin: spring-projects/spring-data-mongodb

@Override
  public Sphere convert(Document source) {
    if (source == null) {
      return null;
    }
    Document center = (Document) source.get("center");
    Number radius = (Number) source.get("radius");
    Assert.notNull(center, "Center must not be null!");
    Assert.notNull(radius, "Radius must not be null!");
    Distance distance = new Distance(toPrimitiveDoubleValue(radius));
    if (source.containsKey("metric")) {
      String metricString = (String) source.get("metric");
      Assert.notNull(metricString, "Metric must not be null!");
      distance = distance.in(Metrics.valueOf(metricString));
    }
    return new Sphere(DocumentToPointConverter.INSTANCE.convert(center), distance);
  }
}

代码示例来源：origin: spring-projects/spring-data-redis

@Override
public Flux<CommandResponse<GeoRadiusCommand, Flux<GeoResult<GeoLocation<ByteBuffer>>>>> geoRadius(
    Publisher<GeoRadiusCommand> commands) {
  return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
    Assert.notNull(command.getKey(), "Key must not be null!");
    Assert.notNull(command.getPoint(), "Point must not be null!");
    Assert.notNull(command.getDistance(), "Distance must not be null!");
    GeoArgs geoArgs = command.getArgs().isPresent() ? LettuceConverters.toGeoArgs(command.getArgs().get())
        : new GeoArgs();
    Flux<GeoResult<GeoLocation<ByteBuffer>>> result = cmd
        .georadius(command.getKey(), command.getPoint().getX(), command.getPoint().getY(),
            command.getDistance().getValue(), LettuceConverters.toGeoArgsUnit(command.getDistance().getMetric()),
            geoArgs) //
        .map(converter(command.getDistance().getMetric())::convert);
    return Mono.just(new CommandResponse<>(command, result));
  }));
}

代码示例来源：origin: spring-projects/spring-data-redis

@Override
public Flux<CommandResponse<GeoRadiusByMemberCommand, Flux<GeoResult<GeoLocation<ByteBuffer>>>>> geoRadiusByMember(
    Publisher<GeoRadiusByMemberCommand> commands) {
  return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
    Assert.notNull(command.getKey(), "Key must not be null!");
    Assert.notNull(command.getMember(), "Member must not be null!");
    Assert.notNull(command.getDistance(), "Distance must not be null!");
    GeoArgs geoArgs = command.getArgs().isPresent() ? LettuceConverters.toGeoArgs(command.getArgs().get())
        : new GeoArgs();
    Flux<GeoResult<GeoLocation<ByteBuffer>>> result = cmd
        .georadiusbymember(command.getKey(), command.getMember(), command.getDistance().getValue(),
            LettuceConverters.toGeoArgsUnit(command.getDistance().getMetric()), geoArgs)
        .map(converter(command.getDistance().getMetric())::convert);
    return Mono.just(new CommandResponse<>(command, result));
  }));
}

代码示例来源：origin: spring-projects/spring-data-redis

@Override
  public GeoResult<GeoLocation<byte[]>> convert(redis.clients.jedis.GeoRadiusResponse source) {
    Point point = GEO_COORDINATE_TO_POINT_CONVERTER.convert(source.getCoordinate());
    return new GeoResult<>(new GeoLocation<>(source.getMember(), point),
        new Distance(source.getDistance(), metric));
  }
}

代码示例来源：origin: org.springframework.data/spring-data-couchbase

@Override
public boolean pointInCircle(Point p, Circle c) {
 Point2D center = new Point2D.Double(c.getCenter().getX(), c.getCenter().getY());
 return pointNear(p, center, c.getRadius().getNormalizedValue());
}

代码示例来源：origin: spring-projects/spring-data-mongodb

document.put("maxDistance", maxDistance.getNormalizedValue());
  document.put("minDistance", minDistance.getNormalizedValue());
document.put("near", Arrays.asList(point.getX(), point.getY()));

代码示例来源：origin: spring-projects/spring-data-mongodb

/**
 * Returns the {@link Shape} as a list of usually {@link Double} or {@link List}s of {@link Double}s. Wildcard bound
 * to allow implementations to return a more concrete element type.
 *
 * @return
 */
public List<? extends Object> asList() {
  return Arrays.asList(Arrays.asList(center.getX(), center.getY()), this.radius.getValue());
}

代码示例来源：origin: redisson/redisson

@Override
public Distance convert(Object obj) {
  return new Distance((Double)obj, metric);
}

代码示例来源：origin: spring-projects/spring-data-redis

point = ((Circle) o).getCenter();
  distance = ((Circle) o).getRadius();
} else if (o instanceof Point) {
    distance = (Distance) distObject;
  } else if (distObject instanceof Number) {
    distance = new Distance(((Number) distObject).doubleValue(), Metrics.KILOMETERS);
  } else {
    throw new InvalidDataAccessApiUsageException(String

代码示例来源：origin: spring-projects/spring-data-mongodb

argument.add(toList(((Circle) shape).getCenter()));
argument.add(((Circle) shape).getRadius().getNormalizedValue());
argument.add(toList(((Circle) shape).getCenter()));
argument.add(((Circle) shape).getRadius());
argument.add(((Sphere) shape).getRadius().getNormalizedValue());