| /* |
| * 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.core.storage.model; |
| |
| import lombok.Getter; |
| import org.apache.skywalking.oap.server.core.analysis.record.Record; |
| import org.apache.skywalking.oap.server.library.util.CollectionUtils; |
| |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| |
| public class ElasticSearchModelExtension { |
| |
| /** |
| * Routing defines a field of {@link Record} to control the sharding policy. |
| */ |
| @Getter |
| private Optional<String> routing = Optional.empty(); |
| |
| public void setRouting(String modelName, List<ModelColumn> modelColumns) throws IllegalStateException { |
| if (CollectionUtils.isEmpty(modelColumns)) { |
| return; |
| } |
| |
| List<ModelColumn> routingColumns = modelColumns.stream() |
| .filter(col -> col.getElasticSearchExtension().isRouting()) |
| .collect(Collectors.toList()); |
| |
| int size = routingColumns.size(); |
| if (size > 1) { |
| throw new IllegalStateException(modelName + "'s routing field is duplicated " |
| + routingColumns.stream() |
| .map(col -> col.getColumnName().toString()) |
| .collect(Collectors.joining(",", "[", "]"))); |
| } |
| |
| if (size == 1) { |
| routing = Optional.of(routingColumns.get(0).getColumnName().getName()); |
| } |
| } |
| } |