Mercurial > hg > ltpda

annotate m-toolbox/classes/+utils/@jmysql/connect.m @ 1:2014ba5b353a database-connection-manager

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Remove old code
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Sat, 03 Dec 2011 18:13:55 +0100
parents f0afece42f48
children 91f21a0aab35
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1 % CONNECT Connects to an LTPDA repository and returns the connection object.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: Connects to an LTPDA repository and returns the connection
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5 % object. The provided credentials are stored in a persistent utility, and
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6 % reused when a connection to the same database and server is requested.
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7 %
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8 % If credentials for the requested database and server are not given, and are
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9 % not in the utility, the user is prompted for the missing informations.
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10 % Credentials are set to expire and to be entered again after a time defined
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11 % in the LTPDA user preferences.
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12 %
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13 % CALL: conn = connect(hostname)
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14 % conn = connect(hostname, dbname)
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15 % conn = connect(hostname, dbname, dbuser, dbpass)
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16 %
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17 % VERSION: $Id: connect.m,v 1.13 2011/04/01 08:36:49 hewitson Exp $
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18 %
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19 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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20
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21 function varargout = connect(varargin)
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22
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23 dbuser = '';
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24 dbpass = '';
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25 dbhost = '';
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26 dbname = '';
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27
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28 if nargin == 1
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29 dbhost = varargin{1};
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30 elseif nargin == 2
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31 dbhost = varargin{1};
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32 dbname = varargin{2};
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33 elseif nargin == 3
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34 dbhost = varargin{1};
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35 dbname = varargin{2};
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36 elseif nargin == 4
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37 dbhost = varargin{1};
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38 dbname = varargin{2};
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39 dbuser = varargin{3};
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40 dbpass = varargin{4};
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41 elseif nargin == 5
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42 dbhost = varargin{1};
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43 dbname = varargin{2};
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44 dbuser = varargin{3};
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45 dbpass = varargin{4};
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46 end
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47
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48 rm = LTPDARepositoryManager();
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49 conn = rm.findConnections(dbhost, dbname, dbuser, dbpass);
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50
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51 if isempty(conn)
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52 conn = rm.newConnection(dbhost, dbname, dbuser, dbpass);
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53 end
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54
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55 if ~isempty(dbpass) && isempty(char(conn.getPassword))
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56 conn.setPassword(dbpass)
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57 end
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58
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59 % If we have more than one matching connection, let the user choose.
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60 if numel(conn) > 1
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61 conn = rm.manager.selectConnection([]);
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62 end
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63
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64 varargout{1} = conn(1);
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65 end