content: /*
   * 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.camel.quarkus.component.langchain4j.agent.it.util;
  
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  
  import dev.langchain4j.data.message.ChatMessage;
  import dev.langchain4j.store.memory.chat.ChatMemoryStore;
  
  import static dev.langchain4j.data.message.ChatMessageDeserializer.messagesFromJson;
  import static dev.langchain4j.data.message.ChatMessageSerializer.messagesToJson;
  
  public class PersistentChatMemoryStore implements ChatMemoryStore {
      private final Map<Object, String> memoryMap = new ConcurrentHashMap<>();
  
      @Override
      public List<ChatMessage> getMessages(Object memoryId) {
          String json = memoryMap.get(memoryId);
          return json != null ? messagesFromJson(json) : List.of();
      }
  
      @Override
      public void updateMessages(Object memoryId, List<ChatMessage> messages) {
          String json = messagesToJson(messages);
          memoryMap.put(memoryId, json);
      }
  
      @Override
      public void deleteMessages(Object memoryId) {
          memoryMap.remove(memoryId);
      }
  
      public int getMemoryCount() {
          return memoryMap.size();
      }
  
      public void clearAll() {
          memoryMap.clear();
      }
  }
  