content: /*
   *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
   *  <p>
   *  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
   *  <p>
   *  http://www.apache.org/licenses/LICENSE-2.0
   *  <p>
   *  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.agentsflex.core.util;
  
  import java.io.Serializable;
  import java.util.HashMap;
  import java.util.Map;
  
  public class Metadata implements Serializable {
  
      protected Map<String, Object> metadataMap;
  
      public Object getMetadata(String key) {
          return metadataMap != null ? metadataMap.get(key) : null;
      }
  
      public void addMetadata(String key, Object value) {
          if (metadataMap == null) {
              metadataMap = new HashMap<>();
          }
          metadataMap.put(key, value);
      }
  
      public void addMetadata(Map<String, Object> metadata) {
          if (metadata == null || metadata.isEmpty()) {
              return;
          }
          if (metadataMap == null) {
              metadataMap = new HashMap<>();
          }
          metadataMap.putAll(metadata);
      }
  
      public Object removeMetadata(String key) {
          if (this.metadataMap == null) {
              return null;
          }
          return this.metadataMap.remove(key);
      }
  
      public Map<String, Object> getMetadataMap() {
          return metadataMap;
      }
  
      public void setMetadataMap(Map<String, Object> metadatas) {
          this.metadataMap = metadatas;
      }
  }
  