Mercurial > hg > ltpda

annotate m-toolbox/classes/@plist/getIndexForKey.m @ 23:a71a40911c27 database-connection-manager

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Update check for repository connection parameter in constructors
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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1 % GETINDEXFORKEY returns the index of a parameter with the given key.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: GETINDEXFORKEY returns the index of a parameter with the
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5 % given key or -1 if the key is not found.
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6 %
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7 % CALL: idx = getIndexForKey(pl, 'key')
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8 % idx = getIndexForKey(pl, pl)
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9 %
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10 % EXAMPLES:
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11 %
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12 % 1) idx = pl.getIndexForKey('foo') % get the parameter with key 'foo'
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13 % 2) idx = pl.getIndexForKey(plist('key', 'WIN')) % get the parameter with key 'WIN'
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14 %
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15 % <a href="matlab:utils.helper.displayMethodInfo('plist', 'getIndexForKey')">Parameters Description</a>
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16 %
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17 % VERSION: $Id: getIndexForKey.m,v 1.7 2011/04/08 08:56:21 hewitson Exp $
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18 %
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19 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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20
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21 function varargout = getIndexForKey(varargin)
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22
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23 %%% Check if this is a call for parameters
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24 if utils.helper.isinfocall(varargin{:})
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25 varargout{1} = getInfo(varargin{3});
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26 return
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27 end
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28
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29 if nargin ~= 2
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30 error('### Incorrect inputs')
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31 end
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32
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33 pl = varargin{1};
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34 if isa(varargin{2}, 'plist')
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35 key = varargin{2}.find('key');
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36 else
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37 key = varargin{2};
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38 end
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39
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40 %%%%%%%%%% Some plausibility checks %%%%%%%%%%
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41 if numel(pl) ~= 1
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42 error('### This function could only work with one plist-object');
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43 end
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44
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45 if ~ischar(key)
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46 error('### The ''key'' must be a string but it is from the class %s.', class(key));
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47 end
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48
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49 if ~isempty(pl.params)
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50 dkeys = {pl.params(:).key};
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51 else
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52 dkeys = {''};
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53 end
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54
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55 % Get index of the key we want
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56 matches = strcmpi(key, dkeys);
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57 varargout{1} = find(matches);
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58 end
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59
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60 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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61 % Local Functions %
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62 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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63
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64 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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65 %
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66 % FUNCTION: getInfo
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67 %
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68 % DESCRIPTION: Get Info Object
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69 %
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70 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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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, 'plist', 'ltpda', utils.const.categories.helper, '$Id: getIndexForKey.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 ii.setArgsmin(1);
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84 end
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85
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86 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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87 %
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88 % FUNCTION: getDefaultPlist
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89 %
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90 % DESCRIPTION: Get Default Plist
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91 %
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92 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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93
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94 function pl = getDefaultPlist()
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95
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96 pl = plist();
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97
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98 % Key
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99 p = param({'key', 'The key of the parameter to get the index of.'}, paramValue.EMPTY_STRING);
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100 pl.append(p);
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101
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102 end
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103