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 package org.apache.commons.scxml2.model;
18
19 import java.io.Serializable;
20 import java.util.ArrayList;
21 import java.util.List;
22
23 /**
24 * An abstract base class for containers of executable elements in SCXML,
25 * such as <onentry> and <onexit>.
26 *
27 */
28 public abstract class Executable implements Serializable {
29
30 /**
31 * The set of executable elements (those that inheriting from
32 * Action) that are contained in this Executable.
33 */
34 private List<Action> actions;
35
36 /**
37 * The parent container, for traceability.
38 */
39 private EnterableState parent;
40
41 /**
42 * Constructor.
43 */
44 public Executable() {
45 super();
46 this.actions = new ArrayList<Action>();
47 }
48
49 /**
50 * Get the executable actions contained in this Executable.
51 *
52 * @return Returns the actions.
53 */
54 public final List<Action> getActions() {
55 return actions;
56 }
57
58 /**
59 * Add an Action to the list of executable actions contained in
60 * this Executable.
61 *
62 * @param action The action to add.
63 */
64 public final void addAction(final Action action) {
65 if (action != null) {
66 this.actions.add(action);
67 }
68 }
69
70 /**
71 * Get the EnterableState parent.
72 *
73 * @return Returns the parent.
74 */
75 public EnterableState getParent() {
76 return parent;
77 }
78
79 /**
80 * Set the EnterableState parent.
81 *
82 * @param parent The parent to set.
83 */
84 protected void setParent(final EnterableState parent) {
85 this.parent = parent;
86 }
87 }
88