org.springframework.data.redis.core.index.GeoIndexDefinition Maven / Gradle / Ivy
/*
* Copyright 2016-2018 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
*
* http://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.core.index;
import org.springframework.data.geo.Point;
import org.springframework.data.redis.connection.RedisGeoCommands.GeoLocation;
import org.springframework.lang.Nullable;
/**
* @author Christoph Strobl
* @since 1.8
*/
public class GeoIndexDefinition extends RedisIndexDefinition implements PathBasedRedisIndexDefinition {
/**
* Creates new {@link GeoIndexDefinition}.
*
* @param keyspace must not be {@literal null}.
* @param path
*/
public GeoIndexDefinition(String keyspace, String path) {
this(keyspace, path, path);
}
/**
* Creates new {@link GeoIndexDefinition}.
*
* @param keyspace must not be {@literal null}.
* @param path
* @param name must not be {@literal null}.
*/
public GeoIndexDefinition(String keyspace, String path, String name) {
super(keyspace, path, name);
addCondition(new PathCondition(path));
setValueTransformer(new PointValueTransformer());
}
/**
* @author Christoph Strobl
* @since 1.8
*/
static class PointValueTransformer implements IndexValueTransformer {
@Override
public Point convert(@Nullable Object source) {
if (source == null || source instanceof Point) {
return (Point) source;
}
if (source instanceof GeoLocation) {
return ((GeoLocation) source).getPoint();
}
throw new IllegalArgumentException(
String.format("Cannot convert %s to %s. GeoIndexed property needs to be of type Point or GeoLocation!",
source.getClass(), Point.class));
}
}
}