spring-data-redis Metrics 源码
spring-data-redis Metrics 代码
文件路径：/src/main/java/org/springframework/data/redis/domain/geo/Metrics.java
/*
* Copyright 2021-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.redis.domain.geo;
import org.springframework.data.geo.Metric;
import org.springframework.data.redis.connection.RedisGeoCommands;
/**
* {@link Metric}s supported by Redis.
*
* @author Christoph Strobl
* @since 2.6
*/
public enum Metrics implements Metric {
METERS(6378137, "m"), KILOMETERS(6378.137, "km"), MILES(3963.191, "mi"), FEET(20925646.325, "ft");
private final double multiplier;
private final String abbreviation;
/**
* Creates a new {@link RedisGeoCommands.DistanceUnit} using the given muliplier.
*
* @param multiplier the earth radius at equator.
*/
Metrics(double multiplier, String abbreviation) {
this.multiplier = multiplier;
this.abbreviation = abbreviation;
}
public double getMultiplier() {
return multiplier;
}
@Override
public String getAbbreviation() {
return abbreviation;
}
}
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