statefun-examples/statefun-ridesharing-example/statefun-ridesharing-example-simulator/src/main/java/org/apache/flink/statefun/examples/ridesharing/simulator/controllers/ApiController.java

/*
 * 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.flink.statefun.examples.ridesharing.simulator.controllers;

import java.util.Objects;
import org.apache.flink.statefun.examples.ridesharing.simulator.model.SimulationStartedEvent;
import org.apache.flink.statefun.examples.ridesharing.simulator.simulation.Simulation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RequestMapping(produces = MediaType.APPLICATION_JSON_UTF8_VALUE, path = "/api")
@RestController
public class ApiController {

  private final Simulation simulation;

  @Autowired
  public ApiController(Simulation simulation) {
    this.simulation = Objects.requireNonNull(simulation);
  }

  @PostMapping("/start")
  public SimulationStartedEvent startSimulation() throws Exception {
    simulation.start();
    return new SimulationStartedEvent(true);
  }
}