Coverage Report - org.as3coreaddendum.system.comparators.PriorityComparator
 
Classes in this File Line Coverage Branch Coverage Complexity
PriorityComparator
100%
11/11
N/A
0
 
 1  
 /*
 2  
  * Licensed under the MIT License
 3  
  * 
 4  
  * Copyright 2010 (c) Flávio Silva, http://flsilva.com
 5  
  *
 6  
  * Permission is hereby granted, free of charge, to any person
 7  
  * obtaining a copy of this software and associated documentation
 8  
  * files (the "Software"), to deal in the Software without
 9  
  * restriction, including without limitation the rights to use,
 10  
  * copy, modify, merge, publish, distribute, sublicense, and/or sell
 11  
  * copies of the Software, and to permit persons to whom the
 12  
  * Software is furnished to do so, subject to the following
 13  
  * conditions:
 14  
  *
 15  
  * The above copyright notice and this permission notice shall be
 16  
  * included in all copies or substantial portions of the Software.
 17  
  *
 18  
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 19  
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 20  
  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 21  
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 22  
  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 23  
  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 24  
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 25  
  * OTHER DEALINGS IN THE SOFTWARE.
 26  
  * 
 27  
  * http://www.opensource.org/licenses/mit-license.php
 28  
  */
 29  
 
 30  1
 package org.as3coreaddendum.system.comparators {
 31  
         import org.as3coreaddendum.system.IComparator;
 32  
         import org.as3coreaddendum.system.IPriority;
 33  
 
 34  
         /**
 35  
          * A comparator for objects that implements the <code>org.as3coreaddendum.system.IPriority</code> interface, comparing the <code>priority</code> property.
 36  
          * 
 37  
          * @see org.as3coreaddendum.system.IComparator IComparator
 38  
          * @see org.as3coreaddendum.system.IPriority IPriority
 39  
          * @author Flávio Silva
 40  
          */
 41  
         public class PriorityComparator implements IComparator
 42  
         {
 43  
                 /**
 44  
                  * Constructor, creates a new <code>PriorityComparator</code> object.
 45  
                  */
 46  
                 public function PriorityComparator()
 47  1
                 {
 48  
                         
 49  1
                 }
 50  
 
 51  
                 /**
 52  
                  * Performs the comparison between the two arguments.
 53  
                  * 
 54  
                  * @param         o1        The first <code>Number</code> object to be compared.
 55  
                  * @param         o2        The second <code>Number</code> object to be compared.
 56  
                  * @throws         ArgumentError         if any of the arguments does not implements the <code>IPriority</code> interface.
 57  
                  * @return         A negative integer, zero, or a positive integer as the priority of the first argument is greater than, equal to, or less than the second.
 58  
                  */
 59  
                 public function compare(o1:*, o2:*): int
 60  
                 {
 61  1
                         if (!(o1 is IPriority) || !(o2 is IPriority)) throw new ArgumentError("Both arguments must implements the 'IPriority' interface.");
 62  
                         
 63  1
                         var p1:int = (o1 as IPriority).priority;
 64  1
                         var p2:int = (o2 as IPriority).priority;
 65  
                         
 66  1
                         if (p1 > p2)
 67  
                         {
 68  1
                                 return -1;
 69  
                         }
 70  1
                         else if (p1 < p2)
 71  
                         {
 72  1
                                 return 1;
 73  
                         }
 74  
                         else
 75  
                         {
 76  1
                                 return 0;
 77  
                         }
 78  
                 }
 79  
 
 80  
         }
 81  
 
 82  
 }