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 import java.lang.reflect.InvocationTargetException;
23 import java.lang.reflect.Method;
24 import java.security.AccessController;
25 import java.security.PrivilegedAction;
26
27 /**
28 * A {@link StageableMethod} is a reference to a stageable injectee
29 * and related method to release resources.
30 */
31 final class StageableMethod
32 extends AbstractBasicStageable<Object>
33 {
34
35 /**
36 * The method to be invoked to stage resources.
37 */
38 private final Method stageMethod;
39
40 /**
41 * Creates a new {@link StageableMethod} reference.
42 *
43 * @param stageMethod the method to be invoked to stage resources.
44 * @param injectee the target injectee has to stage the resources.
45 */
46 StageableMethod( Method stageMethod, Object injectee )
47 {
48 super( injectee );
49 this.stageMethod = stageMethod;
50 }
51
52 /**
53 * {@inheritDoc}
54 */
55 @Override
56 public final void stage( StageHandler stageHandler )
57 {
58 try
59 {
60 AccessController.doPrivileged( new PrivilegedAction<Void>()
61 {
62
63 @Override
64 public Void run()
65 {
66 stageMethod.setAccessible( true );
67 return null;
68 }
69
70 } );
71 stageMethod.invoke( object );
72 }
73 catch ( InvocationTargetException e )
74 {
75 stageHandler.onError( object, e.getCause() );
76 return;
77 }
78 catch ( Throwable e )
79 {
80 stageHandler.onError( object, e );
81 return;
82 }
83 stageHandler.onSuccess( object );
84 }
85
86 }