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