mcs/class/System.Core/System.Linq/Check.cs

   1 //
   2 // Check.cs
   3 //
   4 // Author:
   5 //   Jb Evain (jbevain@novell.com)
   6 //
   7 // Copyright (C) 2007 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30
  31 namespace System.Linq {
  32
  33         static class Check {
  34
  35                 public static void Source (object source)
  36                 {
  37                         if (source == null)
  38                                 throw new ArgumentNullException ("source");
  39                 }
  40
  41                 public static void Source1AndSource2 (object source1,object source2)
  42                 {
  43                         if (source1 == null)
  44                                 throw new ArgumentNullException ("source1");
  45                         if (source2 == null)
  46                                 throw new ArgumentNullException ("source2");
  47                 }
  48
  49                 public static void SourceAndFuncAndSelector ( object source, object func, object selector)
  50                 {
  51                         if (source == null)
  52                                 throw new ArgumentNullException ("source");
  53                         if (func == null)
  54                                 throw new ArgumentNullException ("func");
  55                         if (selector == null)
  56                                 throw new ArgumentNullException ("selector");
  57                 }
  58
  59
  60                 public static void SourceAndFunc (object source, object func)
  61                 {
  62                         if (source == null)
  63                                 throw new ArgumentNullException ("source");
  64                         if (func == null)
  65                                 throw new ArgumentNullException ("func");
  66                 }
  67
  68                 public static void SourceAndSelector (object source, object selector)
  69                 {
  70                         if (source == null)
  71                                 throw new ArgumentNullException ("source");
  72                         if (selector == null)
  73                                 throw new ArgumentNullException ("selector");
  74                 }
  75
  76                 public static void SourceAndPredicate (object source, object predicate)
  77                 {
  78                         if (source == null)
  79                                 throw new ArgumentNullException ("source");
  80                         if (predicate == null)
  81                                 throw new ArgumentNullException ("predicate");
  82                 }
  83
  84                 public static void FirstAndSecond (object first, object second)
  85                 {
  86                         if (first == null)
  87                                 throw new ArgumentNullException ("first");
  88                         if (second == null)
  89                                 throw new ArgumentNullException ("second");
  90                 }
  91
  92                 public static void SourceAndKeySelector (object source, object keySelector)
  93                 {
  94                         if (source == null)
  95                                 throw new ArgumentNullException ("source");
  96                         if (keySelector == null)
  97                                 throw new ArgumentNullException ("keySelector");
  98                 }
  99
 100                 public static void SourceAndKeyElementSelectors (object source, object keySelector, object elementSelector)
 101                 {
 102                         if (source == null)
 103                                 throw new ArgumentNullException ("source");
 104                         if (keySelector == null)
 105                                 throw new ArgumentNullException ("keySelector");
 106                         if (elementSelector == null)
 107                                 throw new ArgumentNullException ("elementSelector");
 108                 }
 109                 public static void SourceAndKeyResultSelectors (object source, object keySelector, object resultSelector)
 110                 {
 111                         if (source == null)
 112                                 throw new ArgumentNullException ("source");
 113                         if (keySelector == null)
 114                                 throw new ArgumentNullException ("keySelector");
 115                         if (resultSelector == null)
 116                                 throw new ArgumentNullException ("resultSelector");
 117                 }
 118
 119                 public static void SourceAndCollectionSelectorAndResultSelector (object source, object collectionSelector, object resultSelector)
 120                 {
 121                         if (source == null)
 122                                 throw new ArgumentNullException ("source");
 123                         if (collectionSelector == null)
 124                                 throw new ArgumentNullException ("collectionSelector");
 125                         if (resultSelector == null)
 126                                 throw new ArgumentNullException ("resultSelector");
 127                 }
 128
 129                 public static void SourceAndCollectionSelectors (object source, object collectionSelector, object selector)
 130                 {
 131                         if (source == null)
 132                                 throw new ArgumentNullException ("source");
 133                         if (collectionSelector == null)
 134                                 throw new ArgumentNullException ("collectionSelector");
 135                         if (selector == null)
 136                                 throw new ArgumentNullException ("selector");
 137                 }
 138
 139                 public static void JoinSelectors (object outer, object inner, object outerKeySelector, object innerKeySelector, object resultSelector)
 140                 {
 141                         if (outer == null)
 142                                 throw new ArgumentNullException ("outer");
 143                         if (inner == null)
 144                                 throw new ArgumentNullException ("inner");
 145                         if (outerKeySelector == null)
 146                                 throw new ArgumentNullException ("outerKeySelector");
 147                         if (innerKeySelector == null)
 148                                 throw new ArgumentNullException ("innerKeySelector");
 149                         if (resultSelector == null)
 150                                 throw new ArgumentNullException ("resultSelector");
 151                 }
 152
 153                 public static void GroupBySelectors (object source, object keySelector, object elementSelector, object resultSelector)
 154                 {
 155                         if (source == null)
 156                                 throw new ArgumentNullException ("source");
 157                         if (keySelector == null)
 158                                 throw new ArgumentNullException ("keySelector");
 159                         if (elementSelector == null)
 160                                 throw new ArgumentNullException ("elementSelector");
 161                         if (resultSelector == null)
 162                                 throw new ArgumentNullException ("resultSelector");
 163                 }
 164         }
 165 }