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