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https://github.com/gyurix1968/guacamole-client.git
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76 lines
2.2 KiB
JavaScript
76 lines
2.2 KiB
JavaScript
/*
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* Copyright (C) 2013 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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var Guacamole = Guacamole || {};
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/**
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* Integer pool which returns consistently increasing integers while integers
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* are in use, and previously-used integers when possible.
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* @constructor
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*/
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Guacamole.IntegerPool = function() {
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/**
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* Reference to this integer pool.
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*/
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var guac_pool = this;
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/**
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* Array of available integers.
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* @type Number[]
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*/
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var pool = [];
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/**
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* The next integer to return if no more integers remain.
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* @type Number
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*/
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this.next_int = 0;
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/**
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* Returns the next available integer in the pool. If possible, a previously
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* used integer will be returned.
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*
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* @return {Number} The next available integer.
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*/
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this.next = function() {
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// If free'd integers exist, return one of those
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if (pool.length > 0)
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return pool.shift();
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// Otherwise, return a new integer
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return guac_pool.next_int++;
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};
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/**
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* Frees the given integer, allowing it to be reused.
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*
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* @param {Number} integer The integer to free.
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*/
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this.free = function(integer) {
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pool.push(integer);
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};
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};
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