1 /**
2 * Copyright (c) 2008-2011, http://www.snakeyaml.org
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.yaml.snakeyaml.nodes;
18
19 /**
20 * Stores one key value pair used in a map.
21 */
22 public final class NodeTuple {
23
24 private final Node keyNode;
25 private final Node valueNode;
26
27 public NodeTuple(Node keyNode, Node valueNode) {
28 if (keyNode == null || valueNode == null) {
29 throw new NullPointerException("Nodes must be provided.");
30 }
31 this.keyNode = keyNode;
32 this.valueNode = valueNode;
33 }
34
35 /**
36 * Key node.
37 */
38 final public Node getKeyNode() {
39 return keyNode;
40 }
41
42 /**
43 * Value node.
44 *
45 * @return value
46 */
47 final public Node getValueNode() {
48 return valueNode;
49 }
50
51 @Override
52 public String toString() {
53 return "<NodeTuple keyNode=" + keyNode.toString() + "; valueNode=" + valueNode.toString()
54 + ">";
55 }
56 }