content: /**
   * Copyright (C) 2024 AIDC-AI
   *
   * 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 com.alibaba.langengine.core.docstore;
  
  import com.alibaba.langengine.core.indexes.Document;
  import lombok.Data;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Simple in memory docstore in the form of a dict.
   *
   * @author xiaoxuan.lp
   */
  @Data
  public class InMemoryDocstore extends Docstore {
  
      private Map<String, Document> docInfo = new HashMap<>();
  
      @Override
      public Document search(String query) {
          if(!docInfo.containsKey(query)) {
              return null;
          }
          return docInfo.get(query);
      }
  }
  