spring-data-elasticsearch DefaultRoutingResolver 源码
spring-data-elasticsearch DefaultRoutingResolver 代码
文件路径：/src/main/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolver.java
/*
* Copyright2020-2021 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.elasticsearch.core.routing;
import org.springframework.data.elasticsearch.core.mapping.ElasticsearchPersistentEntity;
import org.springframework.data.elasticsearch.core.mapping.ElasticsearchPersistentProperty;
import org.springframework.data.mapping.context.MappingContext;
import org.springframework.lang.Nullable;
/**
* Default implementation of the {@link RoutingResolver} interface. Returns {@literal null} for the non-bean method and
* delegates to the corresponding persistent entity for the bean-method.
*
* @author Peter-Josef Meisch
* @since 4.2
*/
public class DefaultRoutingResolver implements RoutingResolver {
private final MappingContext<? extends ElasticsearchPersistentEntity<?>, ? extends ElasticsearchPersistentProperty> mappingContext;
public DefaultRoutingResolver(
MappingContext<? extends ElasticsearchPersistentEntity<?>, ? extends ElasticsearchPersistentProperty> mappingContext) {
this.mappingContext = mappingContext;
}
@Override
public String getRouting() {
return null;
}
@Override
@Nullable
public <T> String getRouting(T bean) {
ElasticsearchPersistentEntity<T> persistentEntity = (ElasticsearchPersistentEntity<T>) mappingContext
.getPersistentEntity(bean.getClass());
if (persistentEntity != null) {
return persistentEntity.resolveRouting(bean);
}
return null;
}
}
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