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comparison m-toolbox/classes/@ltpda_uo/fromRepository.m @ 0:f0afece42f48

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Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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children 69e3d49b4b0c
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-1:000000000000 0:f0afece42f48
1 % Retrieve a ltpda_uo from a repository
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 %
4 % FUNCTION: fromRepository
5 %
6 % DESCRIPTION: Retrieve a ltpda_uo from a repository
7 %
8 % CALL: obj = fromRepository(pl)
9 %
10 % PARAMETER: pl: Parameter list object
11 %
12 % VERSION: $Id: fromRepository.m,v 1.4 2010/03/16 19:16:20 ingo Exp $
13 %
14 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
15 function [objs, plhout, ii] = fromRepository(obj, pli, ii)
16
17 VERSION = 'ltpda_uo: $Id: fromRepository.m,v 1.4 2010/03/16 19:16:20 ingo Exp $';
18
19 requested_class = class(obj);
20
21 % Set the method version string in the minfo object
22 ii.setMversion([VERSION '-->' ii.mversion]);
23
24 % Check if the user supplied a DB connection
25 conn = find(pli, 'conn');
26
27 % Add default values if necessary
28 if isempty(conn)
29 pl = combine(pli, ii.plists.pset('HOSTNAME', ''));
30 else
31 pl = pli;
32 end
33
34 % Get parameters
35 hostname = find(pl, 'hostname');
36 database = find(pl, 'database');
37 user = find(pl, 'username');
38 passwd = find(pl, 'password');
39 ids = find(pl, 'id');
40 cids = find(pl, 'cid');
41 bin = find(pl, 'binary');
42
43 % Make sure that 'ids' or 'cids' are empty arrays if they are empty.
44 % It might be that the GUI return an empty string.
45 if isempty(ids)
46 ids = [];
47 end
48 if isempty(cids)
49 cids = [];
50 end
51
52 % Check if some ID is defined
53 if isempty(ids) && isempty(cids)
54 error('### Please define at least one object ID or connection ID');
55 end
56
57 %%% check if using binary or not: 'yes'/'no' or true/false or
58 %%% 'true'/'false'
59 bin = utils.prog.yes2true(bin);
60
61 % do we have a connection?
62 closeConn = 0;
63 if isempty(conn)
64 closeConn = 1;
65 % Connect to repository
66 conn = utils.jmysql.connect(hostname, database, user, passwd);
67 end
68 if ~isa(conn, 'database') && ~isa(conn, 'mpipeline.repository.RepositoryConnection')
69 error('### connection to the database failed.');
70 end
71
72 if ~isempty(cids)
73 for kk=1:numel(cids)
74 cid = cids(kk);
75 if isa(conn, 'database')
76 % get the ids from the cid
77 ids = [ids utils.mysql.getObjIds(conn,cid)];
78 else
79 c_ids = double(mpipeline.repository.MySQLUtils.getObjectIDsFromCollectionID(conn, cid));
80 ids = [ids c_ids.'];
81 end
82 end
83 end
84
85 % Get each ID
86 Nids = length(ids);
87 objs = [];
88 plhout = [];
89
90 for kk=1:Nids
91
92 %---- copy the input plist because each object should get an other plist
93 plh = copy(pl, 1);
94
95 %---- This id
96 id = ids(kk);
97 utils.helper.msg(utils.const.msg.OPROC2, 'retrieving ID %d', id);
98
99 %---- call database constructor
100 if bin
101 try
102 obj = ltpda_uo.retrieve(conn, 'binary', id);
103
104 catch
105
106 if ~conn.isConnected()
107 error('### There is something wrong with the connection.')
108 end
109
110 warning('!!! Unable to do binary retrieval for object %d; trying to retrieve XML instead.', id);
111 obj = ltpda_uo.retrieve(conn, id);
112 end
113 else
114 obj = ltpda_uo.retrieve(conn, id);
115 end
116
117 if ~strcmp(class(obj), requested_class)
118 error('### You have used the constructor ''%s'' but the object with id=%d is of class ''%s''', requested_class, id, class(obj));
119 end
120
121 % - remove connection object from plist first
122 if isempty(hostname) || isempty(database)
123 if isa(conn, 'database')
124 txt = textscan(conn.URL, '%s', 'Delimiter', '/', 'CollectOutput', 1);
125 plc = plist('hostname', txt{1}{3}, 'database', txt{1}{4});
126 else
127 plc = plist('hostname', char(conn.getHostname), 'database', char(conn.getDatabase));
128 end
129 plh = combine(pli, plc);
130 end
131
132 %---- remove the connection from the history plist
133 if plh.isparam('conn')
134 plh.remove('conn');
135 end
136
137 %---- Set only the ID of the current object to the plist
138 plh.pset('ID', id);
139
140 %---- Add history-plist to output array
141 plhout = [plhout plh];
142
143 %---- Add to output array
144 objs = [objs obj];
145
146 end
147
148 % close connection
149 if closeConn
150 if isa(conn, 'database')
151 close(conn);
152 else
153 conn.closeConnection;
154 end
155 end
156
157 end
158