spring-data-redis IndexedDataFactoryProvider 源码
spring-data-redis IndexedDataFactoryProvider 代码
文件路径：/src/main/java/org/springframework/data/redis/core/convert/IndexedDataFactoryProvider.java
/*
* Copyright 2016-2022 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.core.convert;
import org.springframework.data.geo.Point;
import org.springframework.data.redis.core.index.GeoIndexDefinition;
import org.springframework.data.redis.core.index.IndexDefinition;
import org.springframework.data.redis.core.index.SimpleIndexDefinition;
import org.springframework.lang.Nullable;
/**
* @author Christoph Strobl
* @since 1.8
*/
class IndexedDataFactoryProvider {
/**
* @author Christoph Strobl
* @since 1.8
*/
@Nullable
IndexedDataFactory getIndexedDataFactory(IndexDefinition definition) {
if (definition instanceof SimpleIndexDefinition) {
return new SimpleIndexedPropertyValueFactory((SimpleIndexDefinition) definition);
} else if (definition instanceof GeoIndexDefinition) {
return new GeoIndexedPropertyValueFactory(((GeoIndexDefinition) definition));
}
return null;
}
static interface IndexedDataFactory {
IndexedData createIndexedDataFor(Object value);
}
/**
* @author Christoph Strobl
* @since 1.8
*/
static class SimpleIndexedPropertyValueFactory implements IndexedDataFactory {
final SimpleIndexDefinition indexDefinition;
SimpleIndexedPropertyValueFactory(SimpleIndexDefinition indexDefinition) {
this.indexDefinition = indexDefinition;
}
public SimpleIndexedPropertyValue createIndexedDataFor(Object value) {
return new SimpleIndexedPropertyValue(indexDefinition.getKeyspace(), indexDefinition.getIndexName(),
indexDefinition.valueTransformer().convert(value));
}
}
/**
* @author Christoph Strobl
* @since 1.8
*/
static class GeoIndexedPropertyValueFactory implements IndexedDataFactory {
final GeoIndexDefinition indexDefinition;
public GeoIndexedPropertyValueFactory(GeoIndexDefinition indexDefinition) {
this.indexDefinition = indexDefinition;
}
public GeoIndexedPropertyValue createIndexedDataFor(Object value) {
return new GeoIndexedPropertyValue(indexDefinition.getKeyspace(), indexDefinition.getPath(),
(Point) indexDefinition.valueTransformer().convert(value));
}
}
}
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