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