Mercurial > hg > ltpda

annotate m-toolbox/classes/@LTPDARepositoryManager/newConnection.m @ 24:056f8e1e995e database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % NEWCONNECTION makes a new managed repository connection.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: NEWCONNECTION makes a new managed repository connection.
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5 %
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6 % CALL: conn = rm.newConnection(pl);
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7 % conn = rm.newConnection('hostname');
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8 % conn = rm.newConnection('hostname', 'database');
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9 % conn = rm.newConnection('hostname', 'database', 'username');
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10 % conn = rm.newConnection('hostname', 'database', 'username', 'password');
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11 %
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12 % If all required connection fields are input, the connection will be
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13 % silently created and added to the manager. Otherwise, a connection dialog
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14 % will be presented and the resulting connection added to the manager.
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15 %
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16 % <a href="matlab:web(LTPDARepositoryManager.getInfo('newConnection').tohtml, '-helpbrowser')">Parameters Description</a>
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17 %
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18 % VERSION: $Id: newConnection.m,v 1.10 2011/04/08 08:56:35 hewitson Exp $
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19 %
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20 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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21
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22 function varargout = newConnection(varargin)
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23
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24 % Check if this is a call for parameters
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25 if utils.helper.isinfocall(varargin{:})
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26 varargout{1} = getInfo(varargin{3});
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27 return
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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 % Get the repository manager - there should only be one!
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34 [rm, invars, rest] = utils.helper.collect_objects(varargin(:), 'LTPDARepositoryManager');
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35
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36 % Collect all plists
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37 [pl, invars, rest] = utils.helper.collect_objects(rest(:), 'plist');
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38
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39 pl = combine(pl, getDefaultPlist);
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40 hostname = pl.find('hostname');
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41 database = pl.find('database');
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42 username = pl.find('username');
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43 password = pl.find('password');
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44
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45 % Check through 'rest'
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46 if numel(rest) > 0
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47 hostname = rest{1};
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48 end
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49 if numel(rest) > 1
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50 database = rest{2};
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51 end
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52 if numel(rest) > 2
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53 username = rest{3};
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54 end
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55 if numel(rest) > 3
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56 password = rest{4};
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57 end
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58
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59 conn = rm.manager.findExactConnection(hostname, database, username);
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60
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61 if ~isempty(conn)
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62 if ~isempty(password) && isempty(char(conn.getPassword))
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63 conn.setPassword(password);
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64 end
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65 else
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66 conn = rm.basic_newConnection(hostname, database, username, password);
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67 end
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68
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69 % my be it is necessary to update the GUI table
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70 if ~isempty(rm.gui)
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71 rm.gui.reloadConnectionTable();
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72 end
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73 if ~isempty(rm.selector)
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74 rm.selector.reloadConnectionTable();
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75 end
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76 varargout{1} = conn;
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77
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78 end
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79
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80 %--------------------------------------------------------------------------
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81 % Get Info Object
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82 %--------------------------------------------------------------------------
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83 function ii = getInfo(varargin)
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84 if nargin == 1 && strcmpi(varargin{1}, 'None')
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85 sets = {};
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86 pl = [];
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87 else
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88 sets = {'Default'};
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89 pl = getDefaultPlist;
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90 end
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91 % Build info object
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92 ii = minfo(mfilename, 'LTPDARepositoryManager', 'ltpda', utils.const.categories.gui, '$Id: newConnection.m,v 1.10 2011/04/08 08:56:35 hewitson Exp $', sets, pl);
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93 end
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94
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95 %--------------------------------------------------------------------------
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96 % Get Default Plist
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97 %--------------------------------------------------------------------------
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98 function pl = getDefaultPlist()
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99
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100 % Initialise plist
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101 pl = plist();
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102
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103 % hostname
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104 p = param({'hostname', 'The hostname of the repository to connect to.'}, paramValue.EMPTY_STRING);
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105 pl.append(p);
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106
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107 % database
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108 p = param({'database', 'The database on the repository.'}, paramValue.EMPTY_STRING);
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109 pl.append(p);
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110
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111 % username
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112 p = param({'username', 'The username to connect with.'}, paramValue.EMPTY_STRING);
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113 pl.append(p);
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114
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115 % password
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116 p = param({'password', 'The password to connect with. Leave this empty to be prompted on connection.'}, paramValue.EMPTY_STRING);
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117 pl.append(p);
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118
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119 end
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120