statefun-examples/statefun-async-example/src/main/java/org/apache/flink/statefun/examples/async/service/TaskQueryService.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.async.service;

import java.util.concurrent.CompletableFuture;

/** A remote service that keeps task status by id. */
public interface TaskQueryService {

  /**
   * Retrieves a {@link TaskStatus} of a task with an @taskId.
   *
   * @param taskId the task to retrieves it's status
   * @return the status of the task.
   */
  CompletableFuture<TaskStatus> getTaskStatusAsync(String taskId);
}