1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *    http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 package org.apache.spark.api.java;
19 
20 
21 import java.util.List;
22 import java.util.concurrent.Future;
23 
24 public interface JavaFutureAction<T> extends Future<T> {
25 
26   /**
27    * Returns the job IDs run by the underlying async operation.
28    *
29    * This returns the current snapshot of the job list. Certain operations may run multiple
30    * jobs, so multiple calls to this method may return different lists.
31    */
jobIds()32   List<Integer> jobIds();
33 }
34