| // Copyright 2006 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| /** |
| * @fileoverview Generic immutable node object to be used in collections. |
| * |
| */ |
| |
| |
| goog.provide('goog.structs.Node'); |
| |
| |
| |
| /** |
| * A generic immutable node. This can be used in various collections that |
| * require a node object for its item (such as a heap). |
| * @param {K} key Key. |
| * @param {V} value Value. |
| * @constructor |
| * @template K, V |
| */ |
| goog.structs.Node = function(key, value) { |
| /** |
| * The key. |
| * @private {K} |
| */ |
| this.key_ = key; |
| |
| /** |
| * The value. |
| * @private {V} |
| */ |
| this.value_ = value; |
| }; |
| |
| |
| /** |
| * Gets the key. |
| * @return {K} The key. |
| */ |
| goog.structs.Node.prototype.getKey = function() { |
| return this.key_; |
| }; |
| |
| |
| /** |
| * Gets the value. |
| * @return {V} The value. |
| */ |
| goog.structs.Node.prototype.getValue = function() { |
| return this.value_; |
| }; |
| |
| |
| /** |
| * Clones a node and returns a new node. |
| * @return {!goog.structs.Node<K, V>} A new goog.structs.Node with the same |
| * key value pair. |
| */ |
| goog.structs.Node.prototype.clone = function() { |
| return new goog.structs.Node(this.key_, this.value_); |
| }; |