content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    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.aliyun.fastmodel.transform.graph.domain;
  
  import java.util.Map;
  import java.util.Set;
  
  /**
   * Desc:
   *
   * @author panguanjing
   * @date 2021/12/12
   */
  public interface Element {
  
      /**
       * element id
       *
       * @return
       */
      String id();
  
      /**
       * element label
       *
       * @return
       */
      String label();
  
      /**
       * attributes
       *
       * @return
       */
      Map<String, Object> properties();
  
      /**
       * get property with key
       *
       * @param property
       * @param <T>
       * @return
       */
      <T> T getProperty(String property);
  
      /**
       * set property
       *
       * @param key
       * @param value
       */
      void setProperty(String key, Object value);
  
      /**
       * remove key
       *
       * @param key
       */
      void removeProperty(String key);
  
      /**
       * get properties key
       *
       * @return
       */
      Set<String> getPropertyKeys();
  }
  