EvanLjp commented on a change in pull request #6499: URL: https://github.com/apache/skywalking/pull/6499#discussion_r590264913
########## File path: oap-server/server-storage-plugin/storage-elasticsearch-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/elasticsearch/base/IndexStructures.java ########## @@ -0,0 +1,157 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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.apache.skywalking.oap.server.storage.plugin.elasticsearch.base; + +import java.util.HashMap; +import java.util.Map; +import java.util.Objects; +import java.util.stream.Collectors; +import lombok.Getter; +import org.apache.skywalking.oap.server.library.client.elasticsearch.ElasticSearchClient; + +public class IndexStructures { + private final Map<String, Fields> structures; + @Getter + private final PropertiesExtractor extractor; + @Getter + private final PropertiesWrapper wrapper; + + public IndexStructures() { + this.structures = new HashMap<>(); + this.extractor = doGetPropertiesExtractor(); + this.wrapper = doGetPropertiesWrapper(); + } + + protected PropertiesExtractor doGetPropertiesExtractor() { + return mapping -> (Map<String, Object>) ((Map<String, Object>) mapping.get( + ElasticSearchClient.TYPE)).get("properties"); + } + + protected PropertiesWrapper doGetPropertiesWrapper() { + return properties -> { + HashMap<String, Object> mappings = new HashMap<>(); + HashMap<String, Object> types = new HashMap<>(); + mappings.put(ElasticSearchClient.TYPE, types); + types.put("properties", properties); + return mappings; + }; + } + + public Map<String, Object> getMapping(String tableName) { + return wrapper.wrapper( + structures.containsKey(tableName) ? structures.get(tableName).properties : new HashMap<>()); + } + + /** + * Add or append field when the current structures don't contain the input structure or having new fields in it. + */ + public void resolveStructure(String tableName, Map<String, Object> mapping) { Review comment: only rename it? I think you mean something else. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
