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.shardingsphere.data.pipeline.core.task;
19
20 import org.apache.shardingsphere.data.pipeline.core.task.progress.TaskProgress;
21
22 import java.io.Closeable;
23 import java.util.Collection;
24 import java.util.concurrent.CompletableFuture;
25
26 /**
27 * Pipeline task interface.
28 */
29 public interface PipelineTask extends Closeable {
30
31 /**
32 * Start task.
33 *
34 * @return future
35 */
36 Collection<CompletableFuture<?>> start();
37
38 /**
39 * Stop task.
40 */
41 void stop();
42
43 /**
44 * Get task id.
45 *
46 * @return task id
47 */
48 String getTaskId();
49
50 /**
51 * Get task progress.
52 *
53 * @return task progress
54 */
55 TaskProgress getTaskProgress();
56
57 /**
58 * Close.
59 */
60 void close();
61 }