Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ITreeNode |
|
| 1.0;1 |
1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.contrib.tree.model; | |
16 | ||
17 | import java.io.Serializable; | |
18 | import java.util.Collection; | |
19 | ||
20 | /** | |
21 | * @author ceco | |
22 | */ | |
23 | ||
24 | public interface ITreeNode extends Serializable | |
25 | { | |
26 | ||
27 | /** | |
28 | * Returns the <code>Collection</code> of children. | |
29 | */ | |
30 | Collection getChildren(); | |
31 | ||
32 | /** | |
33 | * Returns the number of children <code>ITreeNode</code>s the receiver | |
34 | * contains. | |
35 | */ | |
36 | int getChildCount(); | |
37 | ||
38 | /** | |
39 | * Returns the parent <code>ITreeNode</code> of the receiver. | |
40 | */ | |
41 | ITreeNode getParent(); | |
42 | ||
43 | /** | |
44 | * Returns the true if current node contains received children, otherwise return false. | |
45 | */ | |
46 | boolean containsChild(ITreeNode node); | |
47 | ||
48 | /** | |
49 | * Returns true if the receiver allows children. | |
50 | */ | |
51 | boolean getAllowsChildren(); | |
52 | ||
53 | /** | |
54 | * Returns true if the receiver is a leaf. | |
55 | */ | |
56 | boolean isLeaf(); | |
57 | ||
58 | } |