Mercurial > hg > ltpda

annotate m-toolbox/classes/@collection/fromRepository.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 (2011-12-05)
parents 056f8e1e995e
children
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1 % Retrieve a ltpda_uo from a repository
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % FUNCTION: fromRepository
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5 %
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6 % DESCRIPTION: Retrieve a ltpda_uo from a repository
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7 %
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8 % CALL: obj = fromRepository(pl)
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9 %
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10 % PARAMETER: pl: Parameter list object
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11 %
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12 % VERSION: $Id: fromRepository.m,v 1.8 2010/10/29 16:09:11 ingo Exp $
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13 %
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14 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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15 function coll = fromRepository(coll, pl)
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17 VERSION = '$Id: fromRepository.m,v 1.8 2010/10/29 16:09:11 ingo Exp $';
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19 % get object info
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20 ii = collection.getInfo('collection', 'From Repository');
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21 % Set the method version string in the minfo object
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22 ii.setMversion([VERSION '-->' ii.mversion]);
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23
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24 plh = copy(pl, 1);
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26 % Get parameters
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27 ids = find(pl, 'id');
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28 cids = find(pl, 'cid');
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29 bin = find(pl, 'binary');
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31 collFound = false;
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32
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33 % check if using binary download
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34 bin = utils.prog.yes2true(bin);
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35
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36 % database connection
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37 conn = LTPDADatabaseConnectionManager().connect(pl);
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38
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39 if ~isempty(cids)
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40 for kk=1:numel(cids)
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41 cid = cids(kk);
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42 ids = utils.repository.getCollectionIDs(conn, cid);
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43 end
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44 end
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45
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46 % Get each ID
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47 Nids = length(ids);
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48 collObjs = {};
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50 for kk=1:Nids
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51
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52 %---- copy the input plist because each object should get an other plist
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53 plh = copy(pl, 1);
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54
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55 %---- This id
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56 id = ids(kk);
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57 utils.helper.msg(utils.const.msg.OPROC2, 'retrieving ID %d', id);
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59 try
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60 %---- call database constructor
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61 if bin
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62 robj = ltpda_uo.retrieve(conn, 'binary', id);
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63 else
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64 robj = ltpda_uo.retrieve(conn, id);
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65 end
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66
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67 %---- Set connection parameters in the plist
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68 utils.repository.adjustPlist(conn, plh);
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69
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70 %---- Set only the ID of the current object to the plist
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71 plh.pset('ID', id);
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72
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73 %---- Add history
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74 robj.addHistoryWoChangingUUID(robj.getInfo(class(robj), 'From Repository'), plh, [], robj.hist);
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76 %---- Add to output array
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77 if isa(robj, 'collection')
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78 if numel(ids) == 1
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79 coll = robj;
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80 return
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81 end
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82
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83 if numel(robj.objs)>0
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84 collFound = true;
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85 collObjs = [collObjs; robj.objs(:)];
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86 end
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87 else
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88 collObjs = [collObjs; {robj}];
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89 end
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90
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91 catch ex
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92 % close connection if we own it
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93 if isempty(find(pl, 'conn'))
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94 conn.close();
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95 end
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96 throw(ex)
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97 end
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98
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99 end
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100
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101 % close connection if we own it
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102 if isempty(find(pl, 'conn'))
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103 conn.close();
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104 end
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105
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106 if collFound
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107 warning(sprintf(['!!! The output collection contains the contents of at least one retrieved collection.' ...
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108 '\nThe history of those collection objects is discarded. The internal objects of those ' ...
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109 'objects is retained.']));
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110 end
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111 if isempty(collObjs)
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112 warning('!!! No objects were retrieved from the ids %s and/or collection id %s', mat2str(ids), mat2str(cid));
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113 end
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114
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115 % Define collection-plist for the history
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116 plh.pset('id', pl.find('id'));
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117 plh.pset('cid', pl.find('cid'));
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118
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119 % Set properties from the plist
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120 coll.setProperties(pl);
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121 coll.objs = collObjs;
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122 coll.addHistory(ii, plh, [], []);
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123
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124 end