Mercurial > hg > ltpda

annotate m-toolbox/classes/@ltpda_uoh/index.m @ 3:960fe1aa1c10 database-connection-manager

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Add LTPDADatabaseConnectionManager implementation. Java code
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % INDEX index into a 'ltpda_uoh' object array or matrix. This properly captures the history.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: INDEX into an 'ltpda_uoh' object array or matrix.
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5 % This properly captures the history.
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6 %
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7 % CALL: b = index(a, i)
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8 % b = index(a, i, j)
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9 % b = a.index(plist('I', i))
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10 % b = a.index(plist('I', i, 'J', j))
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11 %
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12 % <a href="matlab:utils.helper.displayMethodInfo('ltpda_uoh', 'index')">Parameters Description</a>
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13 %
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14 % VERSION: $Id: index.m,v 1.13 2011/04/08 08:56:30 hewitson Exp $
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15 %
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16 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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17
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18
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19 function varargout = index(varargin)
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20
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21 % Check if this is a call for parameters
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22 if utils.helper.isinfocall(varargin{:})
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23 varargout{1} = getInfo(varargin{3});
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24 return
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25 end
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26
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27 if nargout == 0
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28 error('### index cannot be used as a modifier. Please give an output variable.');
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29 end
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30
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31 import utils.const.*
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32 utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
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33
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34 % We can only effectively handle a single matrix of 'ltpda_uoh' objects
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35 af = 0;
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36 for j=1:nargin
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37 if isa(varargin{j}, 'ltpda_uoh')
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38 af = af + 1;
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39 end
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40 end
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41 if af > 1
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42 error('### Input a single matrix of ''ltpda_uoh'' objects for indexing.');
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43 end
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44
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45 % Collect input variable names
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46 in_names = cell(size(varargin));
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47 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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48
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49 % Collect all 'ltpda_uoh' objects and plists
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50 [aobjs, obj_invars] = utils.helper.collect_objects(varargin(:), 'ltpda_uoh', in_names);
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51 [pl, pl_invars, rest] = utils.helper.collect_objects(varargin(:), 'plist', in_names);
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52
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53 % Decide on a deep copy or a modify
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54 bobjs = copy(aobjs, nargout);
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55
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56 % Combine plists
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57 pl = combine(pl, getDefaultPlist);
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58
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59 % Get indices
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60 idxi = find(pl, 'i');
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61 idxj = find(pl, 'j');
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62 if isempty(idxi) || isempty(idxj)
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63 % go through the other inputs
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64 for j=1:numel(rest)
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65 if isnumeric(rest{j}) && isempty(idxi)
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66 idxi = rest{j};
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67 elseif isnumeric(rest{j}) && isempty(idxj)
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68 idxj = rest{j};
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69 end
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70 end
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71 end
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72
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73 if isempty(idxi) && isempty(idxj)
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74 error('### Please provide an index of index pair.');
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75 end
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76
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77 % Gather the input histories
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78 inhists = [];
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79 for j=1:numel(bobjs)
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80 inhists = [inhists bobjs(j).hist];
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81 end
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82
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83 % Now index with either (i) or (i,j)
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84 if isempty(idxj)
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85 aout = bobjs(idxi);
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86 inhists = inhists(idxi);
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87 else
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88 aout = bobjs(idxi, idxj);
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89 inhists = inhists(sub2ind(size(bobjs), idxi, idxj));
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90 end
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91
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92 % Make sure we store the indices
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93 pl = pl.pset('i', idxi);
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94 if ~isempty(idxj)
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95 pl = pl.pset('j', idxj);
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96 end
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97
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98 % Name and add history to all outputs
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99 for j=1:numel(aout)
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100 if isempty(idxj)
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101 % aout(j).name = sprintf('(%s)(%d)', obj_invars{idxi(j)}, idxi(j));
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102 aout(j).addHistory(getInfo('None'), pl, obj_invars(idxi), inhists(j));
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103 else
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104 % aout(j).name = sprintf('%s', obj_invars{sub2ind(size(aobjs), idxi,idxj)});
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105 aout(j).addHistory(getInfo('None'), pl, obj_invars(sub2ind(size(aobjs), idxi,idxj)), inhists(j));
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106 end
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107 end
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108
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109 % Set output
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110 varargout{1} = aout;
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111 end
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112
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113 %--------------------------------------------------------------------------
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114 % Get Info Object
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115 %--------------------------------------------------------------------------
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116 function ii = getInfo(varargin)
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117 if nargin == 1 && strcmpi(varargin{1}, 'None')
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118 sets = {};
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119 pl = [];
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120 else
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121 sets = {'Default'};
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122 pl = getDefaultPlist;
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123 end
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124 % Build info object
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125 ii = minfo(mfilename, 'ltpda_uoh', 'ltpda', utils.const.categories.helper, '$Id: index.m,v 1.13 2011/04/08 08:56:30 hewitson Exp $', sets, pl);
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126 ii.setModifier(false);
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127 end
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128
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129 %--------------------------------------------------------------------------
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130 % Get Default Plist
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131 %--------------------------------------------------------------------------
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132 function plout = getDefaultPlist()
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133 persistent pl;
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134 if exist('pl', 'var')==0 || isempty(pl)
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135 pl = buildplist();
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136 end
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137 plout = pl;
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138 end
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139
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140 function pl = buildplist()
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141 pl = plist('I', [], 'J', []);
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142 end
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143