content: /*
   * Copyright 2024-2025 the original author or authors.
   *
   * 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
   *
   *      https://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.cloud.ai.service;
  
  import com.alibaba.cloud.ai.graph.GraphInitData;
  import com.alibaba.cloud.ai.graph.exception.GraphStateException;
  import com.alibaba.cloud.ai.graph.StateGraph;
  import com.alibaba.cloud.ai.param.GraphStreamParam;
  import org.springframework.http.codec.ServerSentEvent;
  import reactor.core.publisher.Flux;
  
  import java.io.InputStream;
  import java.util.Map;
  
  public interface GraphService {
  
  	Map<String, StateGraph> getStateGraphs();
  
  	/**
  	 * @return Init printable graph data (of MERMAID or PlantUML format) using StateGraph
  	 * definition
  	 */
  	GraphInitData getPrintableGraphData(String name) throws GraphStateException;
  
  	Flux<ServerSentEvent<String>> stream(String name, GraphStreamParam param, InputStream inputStream) throws Exception;
  
  }
  