content: /**
   * Copyright 2020 Alibaba Group Holding Limited.
   *
   * 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.graphscope.groot.common.schema.api;
  
  import com.alibaba.graphscope.groot.common.exception.PropertyNotFoundException;
  import com.alibaba.graphscope.groot.common.exception.TypeNotFoundException;
  
  import java.util.List;
  import java.util.Map;
  
  public interface GraphSchema {
      GraphElement getElement(String label) throws TypeNotFoundException;
  
      GraphElement getElement(int labelId) throws TypeNotFoundException;
  
      List<GraphVertex> getVertexList();
  
      List<GraphEdge> getEdgeList();
  
      Integer getPropertyId(String propName) throws PropertyNotFoundException;
  
      String getPropertyName(int propId) throws PropertyNotFoundException;
  
      Map<GraphElement, GraphProperty> getPropertyList(String propName);
  
      Map<GraphElement, GraphProperty> getPropertyList(int propId);
  
      /**
       * Get the version of the schema
       *
       * @return The schema version
       */
      String getVersion();
  }
  