Mercurial > hg > ltpda

annotate m-toolbox/classes/@collection/getObjectsOfClass.m @ 35:4be5f7a5316f database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % GETOBJECTSOFCLASS returns all objects of the specified class in a collection-object.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: GETOBJECTSOFCLASS returns all objects of the specified class
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5 % in a collection-object.
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6 % This doesn't captures the history.
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7 %
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8 % CALL: b = getObjectsOfClass(coll, i)
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9 % b = getObjectsOfClass(coll, i, j)
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10 % b = coll.getObjectsOfClass(plist('class', 'ao'))
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11 %
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12 % <a href="matlab:utils.helper.displayMethodInfo('collection', 'getObjectsOfClass')">Parameters Description</a>
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13 %
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14 % VERSION: $Id: getObjectsOfClass.m,v 1.7 2011/04/08 08:56:21 hewitson Exp $
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15 %
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16 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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17
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18 function varargout = getObjectsOfClass(varargin)
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19
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20 % Check if this is a call for parameters
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21 if utils.helper.isinfocall(varargin{:})
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22 varargout{1} = getInfo(varargin{3});
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23 return
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24 end
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25
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26 if nargout == 0
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27 error('### getObjectsOfClass cannot be used as a modifier. Please give an output variable.');
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28 end
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29
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30 import utils.const.*
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31 utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
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32
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33 % Collect input variable names
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34 in_names = cell(size(varargin));
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35 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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36
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37 % Collect all 'ltpda_uoh' objects and plists
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38 [colls, obj_invars, rest] = utils.helper.collect_objects(varargin(:), 'collection', in_names);
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39 [pl, pl_invars, rest] = utils.helper.collect_objects(rest(:), 'plist', in_names);
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40
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41 % Combine plists
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42 pl = combine(pl, getDefaultPlist);
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43
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44 cl = pl.find('class');
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45
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46 if isempty(cl) && ~isempty(rest)
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47 cl = rest{1};
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48 pl.pset('class', cl);
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49 end
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50
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51 if isempty(cl) || ~ischar(cl)
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52 error('### Please specify the class as a string in a plist or direct.');
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53 end
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54
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55 objs = [];
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56
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57 for oo = 1:numel(colls)
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58 for ii = 1:numel(colls(oo).objs)
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59 if isa(colls(oo).objs{ii}, cl)
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60 objs = [objs colls(oo).objs{ii}];
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61 end
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62 end
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63 end
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64
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65 % Set output
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66 varargout{1} = objs;
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67 end
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68
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69 %--------------------------------------------------------------------------
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70 % Get Info Object
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71 %--------------------------------------------------------------------------
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72 function ii = getInfo(varargin)
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73 if nargin == 1 && strcmpi(varargin{1}, 'None')
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74 sets = {};
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75 pl = [];
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76 else
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77 sets = {'Default'};
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78 pl = getDefaultPlist;
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79 end
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80 % Build info object
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81 ii = minfo(mfilename, 'collection', 'ltpda', utils.const.categories.helper, '$Id: getObjectsOfClass.m,v 1.7 2011/04/08 08:56:21 hewitson Exp $', sets, pl);
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82 ii.setModifier(false);
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83 end
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84
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85 %--------------------------------------------------------------------------
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86 % Get Default Plist
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87 %--------------------------------------------------------------------------
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88 function plout = getDefaultPlist()
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89 persistent pl;
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90 if exist('pl', 'var')==0 || isempty(pl)
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91 pl = buildplist();
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92 end
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93 plout = pl;
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94 end
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95
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96 function plo = buildplist()
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97 plo = plist();
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98
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99 p = param({'class', 'Class name which should be collected.'}, paramValue.EMPTY_STRING);
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100 plo.append(p);
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101 end
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102