1 package org.apache.onami.lifecycle.core;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 /**
23 * Base implementation for stageables.
24 *
25 * @author Mikhail Mazursky
26 */
27 public abstract class AbstractStageable<S>
28 extends AbstractBasicStageable<S>
29 {
30
31 protected AbstractStageable( S object )
32 {
33 super( object );
34 }
35
36 /**
37 * {@inheritDoc}
38 */
39 @Override
40 public final void stage( StageHandler stageHandler )
41 {
42 try
43 {
44 doStage();
45 }
46 catch ( Throwable e )
47 {
48 stageHandler.onError( object, e );
49 return;
50 }
51 stageHandler.onSuccess( object );
52 }
53
54 /**
55 * Does actual object staging.
56 *
57 * @throws Exception
58 */
59 protected abstract void doStage() throws Exception;
60 }