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annotate m-toolbox/classes/+utils/@helper/generic_getInfo.m @ 40:977eb37f31cb database-connection-manager

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User friendlier errors from utils.mysql.connect
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 18:04:03 +0100
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1 % GENERIC_GETINFO generic version of the getInfo function
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: GENERIC_GETINFO generic version of the getInfo function
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5 %
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6 % CALL: ii = generic_getInfo(varargin{:}, 'class_name');
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7 %
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8 % INPUTS: varargin: Function inputs of the class version of getInfo
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9 % class_name: Class name which calls this function.
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10 %
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11 % OUTPUT: minfo-class of the method
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12 %
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13 % EXAMPLES: Constructor call to get all sets
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14 % specwin.getInfo()
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15 % specwin.getInfo('specwin')
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16 % specwin.getInfo('specwin', '')
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17 %
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18 % Constructor call to get a specified set
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19 % specwin.getInfo('specwin', 'None')
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20 % specwin.getInfo('specwin', 'set')
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21 %
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22 % Call for the methods in a class
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23 % specwin.getInfo('char')
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24 % specwin.getInfo('char', 'None')
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25 %
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26 % VERSION: $Id: generic_getInfo.m,v 1.7 2011/03/28 12:45:45 hewitson Exp $
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27 %
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28 % HISTORY: 24-07-2008 Diepholz
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29 % Creation.
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30 %
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31 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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32
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33 function ii = generic_getInfo(varargin)
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34
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35 class_name = varargin{end};
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36
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37 verout = feval(sprintf('%s.VEROUT', class_name));
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38 sets = feval(sprintf('%s.SETS', class_name));
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39
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40 if nargin == 1 || ...
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41 (nargin == 2 && strcmp(varargin{1}, class_name)) || ...
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42 (nargin == 3 && strcmp(varargin{1}, class_name) && isempty(varargin{2}))
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43
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44 %%%%%%%%%% Get the minfo-object for the Constructor
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45 %%% specwin.getInfo()
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46 %%% specwin.getInfo('specwin')
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47 %%% specwin.getInfo('specwin', '')
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48 if ~isempty(sets)
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49 pls(1:numel(sets)) = plist();
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50 for kk = 1:numel(sets)
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51 cmd = sprintf('%s.getDefaultPlist', class_name);
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52 pls(kk) = feval(cmd, sets{kk});
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53 end
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54 else
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55 pls = plist;
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56 end
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57 ii = minfo(class_name, class_name, 'ltpda', 'Constructor', verout, sets, pls);
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58 ii.setModifier(false);
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59 ii.setArgsmin(0);
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60 ii.setArgsmax(-1);
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61 ii.setOutmin(1);
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62 ii.setOutmax(1);
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63
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64 elseif nargin == 3 && (strcmp(varargin{1}, class_name))
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65
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66 %%%%%%%%%% Get the minfo-object for the Constructor with a specified set
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67 %%% specwin.getInfo('specwin', 'None')
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68 %%% specwin.getInfo('specwin', 'set')
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69 if strcmpi(varargin{2}, 'None')
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70 sets = {};
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71 pls = [];
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72 else
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73 sets = cellstr(varargin{2});
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74 cmd = sprintf('%s.getDefaultPlist', class_name);
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75 pls = feval(cmd, varargin{2});
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76 end
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77
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78 ii = minfo(class_name, class_name, 'ltpda', 'Constructor', verout, sets, pls);
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79 ii.setModifier(false);
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80 else
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81
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82 %%%%%%%%%% Get the minfo-object for the class methods
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83 %%% specwin.getInfo('char')
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84 %%% specwin.getInfo('char', 'None')
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85 if nargin == 2
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86 sets = '';
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87 elseif nargin == 3
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88 sets = varargin{2};
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89 end
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90
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91 try
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92 obj = eval([class_name '.initObjectWithSize(0,0)']);
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93 % obj = feval(class_name);
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94 catch
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95 cls = utils.helper.ltpda_classes;
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96 for jj=1:numel(cls)
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97 cl = cls{jj};
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98 meta = eval(['?', cl]);
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99
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100 scls = getSuperClasses ({}, meta);
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101 if any(strcmp(class_name, scls)) && ismethod(cl, varargin{1})
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102 try
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103 obj = feval(cl);
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104 break
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105 end
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106 end
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107 end
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108 % error('### From the abstract class [%s] it is only possible to get the minfo class from the constructor.', class_name);
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109 end
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110 ii = feval(varargin{1}, obj, 'INFO', sets);
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111 end
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112
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113 % check we got an minfo object
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114 if ~isa(ii, 'minfo')
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115 error('### An minfo object was not retrieved.');
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116 end
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117 end
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118
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119 function scls = getSuperClasses (scls, meta)
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120
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121 if ~isempty(meta.SuperClasses)
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122
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123 scl = [meta.SuperClasses{:}];
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124 scls = [scls, {scl(:).Name}];
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125
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126 for ii = 1:numel(meta.SuperClasses)
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127 scls = getSuperClasses(scls, meta.SuperClasses{1});
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128 end
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129 end
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130
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131 end
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132