Mercurial > hg > ltpda
annotate m-toolbox/classes/@LTPDADatabaseConnectionManager/LTPDADatabaseConnectionManager.m @ 6:2b57573b11c7 database-connection-manager
Add utils.mysql.execute
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
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date | Mon, 05 Dec 2011 16:20:06 +0100 |
parents | e3c5468b1bfe |
children | 5e7477b94d94 |
rev | line source |
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1 classdef LTPDADatabaseConnectionManager < handle |
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2 |
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3 properties(SetAccess=private) |
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4 |
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5 connections = {}; |
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6 credentials = {}; |
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7 |
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8 end % private properties |
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9 |
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10 properties(Dependent=true) |
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11 |
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12 credentialsExpiry; % seconds |
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13 cachePassword; % 0=no 1=yes 2=ask |
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14 maxConnectionsNumber; |
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15 |
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16 end % dependent properties |
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17 |
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18 methods(Static) |
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19 |
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20 function reset() |
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21 % RESET Resets the state of the connection manager. |
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22 % |
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23 % This static method removes the LTPDADatabaseConnectionManager |
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24 % instance data from the appdata storage. Causes the reset of the |
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25 % credentials cache and the removal of all the connections from |
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26 % the connection pool. |
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27 |
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28 rmappdata(0, LTPDADatabaseConnectionManager.appdataKey); |
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29 end |
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31 |
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32 function key = appdataKey() |
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33 % APPDATAKEY Returns the key used to store instance data in appdata. |
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34 % |
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35 % This is defined as static method, and not has an instance constant |
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36 % property, to to be accessible by the reset static method. |
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37 |
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38 key = 'LTPDADatabaseConnectionManager'; |
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39 end |
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40 |
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41 end % static methods |
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42 |
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43 methods |
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44 |
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45 function cm = LTPDADatabaseConnectionManager() |
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46 % LTPDACONNECTIONMANAGER Manages credentials and database connections. |
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47 % |
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48 % This constructor returns an handler to a LTPDADatabaseConnectionManager |
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49 % class instance. Database connections can be obtained trough the |
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50 % obtained object with the connect() method. |
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51 % |
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52 % The purpose of this class it to keep track of open database connections |
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53 % and to cache database credentials. It must be used in all LTPDA toolbox |
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54 % functions that required to obtain database connections. Its behaviour can |
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55 % be configured via LTPDA toolbox user preferences. The object status is |
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56 % persisted trough the appdata matlab facility. |
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57 |
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58 % import credentials class |
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59 import utils.credentials |
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60 |
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61 % load state from appdata |
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62 acm = getappdata(0, cm.appdataKey()); |
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63 |
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64 if isempty(acm) |
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65 % store state in appdata |
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66 setappdata(0, cm.appdataKey(), cm); |
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67 |
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68 import utils.const.* |
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69 utils.helper.msg(msg.PROC1, 'new connection manager'); |
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70 else |
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71 cm = acm; |
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72 end |
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73 end |
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74 |
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75 function str = disp(cm) |
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76 disp(sprintf('%s()\n', class(cm))); |
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77 end |
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78 |
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79 |
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80 function val = get.credentialsExpiry(cm) |
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81 % obtain from user preferences |
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82 p = getappdata(0, 'LTPDApreferences'); |
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83 val = double(p.getRepoPrefs().getExpiry()); |
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84 end |
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85 |
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86 |
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87 function val = get.cachePassword(cm) |
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88 % obtain from user preferences |
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89 p = getappdata(0, 'LTPDApreferences'); |
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90 val = double(p.getRepoPrefs().getCachePassword()); |
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91 end |
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92 |
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93 |
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94 function val = get.maxConnectionsNumber(cm) |
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95 % obtain from user preferences |
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96 p = getappdata(0, 'LTPDApreferences'); |
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97 val = double(p.getRepoPrefs().getMaxConnectionsNumber()); |
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99 |
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100 |
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101 function n = count(cm) |
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102 % COUNT Returns the number of open connections in the connections pool. |
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103 % |
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104 % This method has the side effect of removing all closed connections from |
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105 % the connections pool, so that the underlying objects can be garbage |
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106 % collected. |
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107 |
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108 import utils.const.* |
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109 |
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110 % find closed connections in the pool |
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111 mask = false(numel(cm.connections), 1); |
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112 for kk = 1:numel(cm.connections) |
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113 if cm.connections{kk}.isClosed() |
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114 utils.helper.msg(msg.PROC1, 'connection id=%d closed', kk); |
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115 mask(kk) = true; |
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116 end |
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118 |
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119 % remove them |
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120 cm.connections(mask) = []; |
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121 |
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122 % count remainig ones |
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123 n = numel(cm.connections); |
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124 end |
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125 |
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126 function clear(cm) |
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127 % CLEAR Removes all cached credentials from the connection manager. |
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128 cm.credentials = {}; |
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129 end |
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130 |
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131 |
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132 function conn = connect(cm, varargin) |
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133 % CONNECT Uses provided credential to establish a database connection. |
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134 % |
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135 % CONNECT(hostname, database, username, password) Returns an object |
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136 % implementing the java.sql.Connection interface handing a connection to |
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137 % the specified database. Any of the parameter is optional. The user will |
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138 % be queried for the missing information. |
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139 % |
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140 % The returned connection are added to a connections pool. When the number |
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141 % of connections in the pool exceeds a configurable maximum, no more |
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142 % connection are instantiated. Closed connections are automatically |
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143 % removed from the pool. |
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144 % |
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145 % CONNECT(pl) Works as the above but the parameters are obtained from the |
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146 % plist object PL. If the 'connection' parameter in the plist contains an |
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147 % object implementing the java.sql.Connection interface, this object is |
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148 % returned instead that opening a new connection. In this case the |
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149 % connection in not added to the connection pool. |
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150 |
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151 import utils.const.* |
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152 |
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153 % save current credentials cache |
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154 cache = cm.credentials; |
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155 |
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156 % count open connections in the pool |
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157 count = cm.count(); |
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158 |
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159 % check parameters |
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160 if numel(varargin) == 1 && isa(varargin{1}, 'plist') |
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161 |
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162 % extract parameters from plist |
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163 pl = varargin{1}; |
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164 |
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165 % check if we have a connection parameter |
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166 conn = find(pl, 'conn'); |
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167 if ~isempty(conn) |
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168 % check that it implements java.sql.Connection interface |
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169 if ~isa(conn, 'java.sql.Connection') |
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170 error('### connection is not valid database connection'); |
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171 end |
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172 % return this connection |
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173 return; |
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174 end |
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175 |
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176 % otherwise |
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177 hostname = find(pl, 'hostname'); |
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178 database = find(pl, 'database'); |
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179 username = find(pl, 'username'); |
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180 password = find(pl, 'password'); |
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181 |
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182 % if there is no hostname ignore other parameters |
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183 if ~ischar(hostname) || isempty(hostname) |
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184 varargin = {}; |
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185 % if there is no database ignore other parameters |
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186 elseif ~ischar(database) || isempty(database) |
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187 varargin = {hostname}; |
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188 % if there is no username ignore other parameters |
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189 elseif ~ischar(username) || isempty(username) |
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190 varargin = {hostname, database}; |
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191 % password can not be null but can be an empty string |
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192 elseif ~ischar(password) |
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193 varargin = {hostname, database, username}; |
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194 else |
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195 varargin = {hostname, database, username, password}; |
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196 end |
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197 end |
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198 |
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199 % check number of connections |
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200 if count > cm.maxConnectionsNumber |
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201 error('### too many open connections'); |
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202 end |
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203 |
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204 % connect |
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205 try |
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206 conn = cm.getConnection(varargin{:}); |
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207 |
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208 % add connection to pool |
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209 utils.helper.msg(msg.PROC1, 'add connection to pool'); |
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210 cm.connections{end+1} = conn; |
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211 |
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212 catch ex |
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213 % restore our copy of the credentials cache |
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214 utils.helper.msg(msg.PROC1, 'undo cache changes'); |
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215 cm.credentials = cache; |
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216 |
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217 % hide implementation details |
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218 ex.throw(); |
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219 end |
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220 end |
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221 |
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222 |
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223 function close(cm, ids) |
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224 % CLOSE Forces connections to be closed. |
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225 % |
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226 % In the case bugs in other routines working with database connections |
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227 % produce orphan connections, this method can be used to force the close |
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228 % of those connections. |
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229 % |
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230 % CLOSE(ids) Closes the connections with the corresponding IDs in the |
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231 % connections pool. If no ID is given all connections in the pool are |
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232 % closed. |
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233 |
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234 if nargin < 2 |
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235 ids = 1:numel(cm.connections); |
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236 end |
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237 cellfun(@close, cm.connections(ids)); |
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238 |
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239 % remove closed connections from pool |
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240 cm.count(); |
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241 end |
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242 |
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243 |
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244 function add(cm, c) |
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245 % ADD Adds credentials to the credentials cache. |
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246 % |
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247 % This method can be used to initialize or add to the cache, credentials |
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248 % that will be used in subsequent connections attempts. This method accepts |
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249 % only credentials in the form of utils.credentials objects. |
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250 |
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251 % check input arguments |
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252 if nargin < 2 || ~isa(c, 'utils.credentials') |
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253 error('### invalid call'); |
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254 end |
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255 |
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256 % add to the cache |
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257 cm.cacheCredentials(c); |
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258 end |
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259 |
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260 end % methods |
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261 |
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262 methods(Access=private) |
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263 |
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264 function conn = getConnection(cm, varargin) |
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265 % GETCONNECTION Where the implementation of the connect method really is. |
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266 |
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267 import utils.const.* |
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268 |
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269 % handle variable number of arguments |
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270 switch numel(varargin) |
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271 case 0 |
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272 % find credentials |
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273 [hostname, database, username] = cm.selectDatabase([cm.credentials{:}]); |
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274 conn = cm.getConnection(hostname, database, username); |
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275 |
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276 case 1 |
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277 % find credentials |
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278 cred = cm.findCredentials(varargin{:}); |
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279 if numel(cred) == 0 |
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280 cred = utils.credentials(varargin{:}); |
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281 end |
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282 [hostname, database, username] = cm.selectDatabase(cred); |
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283 conn = cm.getConnection(hostname, database, username); |
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284 |
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285 case 2 |
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286 % find credentials |
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287 cred = cm.findCredentials(varargin{:}); |
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288 switch numel(cred) |
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289 case 0 |
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290 conn = cm.getConnection(varargin{1}, varargin{2}, []); |
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291 case 1 |
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292 conn = cm.getConnection(cred.hostname, cred.database, cred.username); |
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293 otherwise |
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294 [hostname, database, username] = cm.selectDatabase(cred); |
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295 conn = cm.getConnection(hostname, database, username); |
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296 end |
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297 |
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298 case 3 |
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299 % find credentials |
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300 cred = cm.findCredentials(varargin{1}, varargin{2}, varargin{3}); |
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301 switch numel(cred) |
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302 case 0 |
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303 % no credentials found |
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304 usernames = { varargin{3} }; |
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305 if isempty(varargin{3}) |
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306 % use usernames for same hostname |
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307 tmp = cm.findCredentials(varargin{1}); |
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308 if ~isempty(tmp) |
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309 usernames = { tmp(:).username }; |
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310 end |
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311 end |
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312 % build credentials objects |
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313 tmp = {}; |
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314 for kk = 1:numel(usernames) |
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315 tmp{kk} = utils.credentials(varargin{1}, varargin{2}, usernames{kk}); |
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316 end |
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317 % convert from cell array to array |
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318 cred = [tmp{:}]; |
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319 case 1 |
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320 % credentials in cache |
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321 utils.helper.msg(msg.PROC1, 'use cached credentials'); |
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322 otherwise |
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323 % we should not have more than one credentials set |
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324 error('### more than one credentials set matching'); |
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325 end |
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|
326 |
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327 cache = false; |
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328 if (numel(cred) > 1) || ~cred.complete |
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329 % ask for password |
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330 [username, password, cache] = cm.inputCredentials(cred); |
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|
331 |
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332 % cache credentials |
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333 cred = utils.credentials(varargin{1}, varargin{2}, username); |
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334 cm.cacheCredentials(cred); |
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|
335 |
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336 % add password to credentials |
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337 cred.password = password; |
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338 end |
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339 |
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340 % try to connect |
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|
341 try |
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|
342 conn = utils.mysql.connect(cred.hostname, cred.database, cred.username, cred.password); |
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|
343 catch ex |
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344 % look for access denied errors |
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|
345 if strcmp(ex.identifier, 'utils:mysql:connect:AccessDenied') |
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346 % ask for new new credentials |
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347 utils.helper.msg(msg.IMPORTANT, ex.message); |
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348 conn = cm.getConnection(varargin{1}, varargin{2}, varargin{3}); |
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349 else |
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|
350 % error out |
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|
351 throw(ex); |
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|
352 end |
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|
353 end |
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|
354 |
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|
355 % cache password |
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|
356 if cache |
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357 utils.helper.msg(msg.PROC1, 'cache password'); |
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358 cm.cacheCredentials(cred); |
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|
359 end |
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|
360 |
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changeset
|
361 case 4 |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
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|
362 % connect |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
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|
363 conn = utils.mysql.connect(varargin{1}, varargin{2}, varargin{3}, varargin{4}); |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
364 |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
365 if cm.cachePassword == 1 |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
366 % cache credentials with password |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
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|
367 cred = utils.credentials(varargin{1}, varargin{2}, varargin{3}, varargin{4}); |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
368 else |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
369 % cache credentials without password |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
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|
370 cred = utils.credentials(varargin{1}, varargin{2}, varargin{3}); |
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parents:
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|
371 end |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
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|
372 cm.cacheCredentials(cred); |
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parents:
diff
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|
373 |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
374 otherwise |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
375 error('### invalid call') |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
376 end |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
377 |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
378 end |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
379 |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
380 |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
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381 function ids = findCredentialsId(cm, varargin) |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
382 % FINDCREDENTIALSID Find credentials in the cache and returns their IDs. |
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parents:
diff
changeset
|
383 |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
384 import utils.const.* |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
385 ids = []; |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
386 |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
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|
387 for kk = 1:numel(cm.credentials) |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
388 % invalidate expired passwords |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
389 if expired(cm.credentials{kk}) |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
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|
390 utils.helper.msg(msg.PROC1, 'cache entry id=%d expired', kk); |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
391 cm.credentials{kk}.password = []; |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
392 cm.credentials{kk}.expiry = 0; |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
393 end |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
394 |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
395 % match input with cache |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
396 if match(cm.credentials{kk}, varargin{:}) |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
397 ids = [ ids kk ]; |
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
398 end |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
399 end |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
400 end |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
401 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
402 |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
403 function cred = findCredentials(cm, varargin) |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
404 % FINDCREDENTIALS Find credentials in the cache and returns them in a list. |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
405 |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
406 % default |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
407 cred = []; |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
408 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
409 % search |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
410 ids = findCredentialsId(cm, varargin{:}); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
411 |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
412 % return a credentials objects array |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
413 if ~isempty(ids) |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
414 cred = [cm.credentials{ids}]; |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
415 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
416 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
417 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
418 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
419 function cacheCredentials(cm, c) |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
420 % CACHECREDENTIALS Adds to or updates the credentials cache. |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
421 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
422 import utils.const.* |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
423 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
424 % find entry to update |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
425 ids = findCredentialsId(cm, c.hostname, c.database, c.username); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
426 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
427 % set password expiry time |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
428 if ischar(c.password) |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
429 c.expiry = double(time()) + cm.credentialsExpiry; |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
430 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
431 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
432 if isempty(ids) |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
433 % add at the end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
434 utils.helper.msg(msg.PROC1, 'add cache entry %s', char(c)); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
435 cm.credentials{end+1} = c; |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
436 else |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
437 for id = ids |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
438 % update only if the cached informations are less than the one we have |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
439 if length(c) > length(cm.credentials{id}) |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
440 utils.helper.msg(msg.PROC1, 'update cache entry id=%d %s', id, char(c)); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
441 cm.credentials{id} = c; |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
442 else |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
443 % always update expiry time |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
444 cm.credentials{id}.expiry = c.expiry; |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
445 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
446 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
447 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
448 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
449 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
450 |
18e956c96a1b
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Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
451 function [username, password, cache] = inputCredentials(cm, cred) |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
452 % INPUTCREDENTIALS Queries the user for database username and password. |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
453 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
454 % build a cell array of usernames |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
455 users = {}; |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
456 for id = 1:numel(cred) |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
457 if ~isempty(cred(id).username) |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
458 users = [ users { cred(id).username } ]; |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
459 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
460 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
461 users = sort(unique(users)); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
462 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
463 parent = com.mathworks.mde.desk.MLDesktop.getInstance().getMainFrame(); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
464 dialog = javaObjectEDT('connectionmanager.CredentialsDialog', ... |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
465 parent, cred(1).hostname, cred(1).database, users, cm.cachePassword); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
466 dialog.show(); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
467 if dialog.cancelled |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
468 throw(MException('utils:mysql:connect:UserCancelled', '### user cancelled')); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
469 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
470 username = char(dialog.username); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
471 password = char(dialog.password); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
472 cache = logical(dialog.cache); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
473 end |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
474 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
475 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
476 function [hostname, database, username] = selectDatabase(cm, credentials) |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
477 % SELECTDATABASE Makes the user choose to which database connect to. |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
478 |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
479 parent = com.mathworks.mde.desk.MLDesktop.getInstance().getMainFrame(); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
480 dialog = javaObjectEDT('connectionmanager.DatabaseSelectorDialog', parent); |
18e956c96a1b
Add LTPDADatabaseConnectionManager implementation. Matlab code
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
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481 for c = credentials |
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482 dialog.add(c.hostname, c.database, c.username); |
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483 end |
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484 dialog.show(); |
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485 if dialog.cancelled |
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486 throw(MException('utils:mysql:connect:UserCancelled', '### user cancelled')); |
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487 end |
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488 hostname = char(dialog.hostname); |
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489 database = char(dialog.database); |
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490 username = char(dialog.username); |
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491 if isempty(username) |
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492 username = []; |
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493 end |
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494 end |
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495 |
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496 end % private methods |
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497 |
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498 end % classdef |