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annotate m-toolbox/classes/+utils/@repository/adjustPlist.m @ 24:056f8e1e995e database-connection-manager

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Properly record history in fromRepository constructors
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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056f8e1e995e Properly record history in fromRepository constructors
Daniele Nicolodi <nicolodi@science.unitn.it>
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1 function adjustPlist(conn, pl)
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2 % ADJUSTPLIST(CONN, PL) Removes CONN, USERNAME, PASSWORD parameters
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3 % from plist PL, and adds or or substitutes HOSTNAME and DATABASE
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4 % parameters with the ones used to establish connection CONN.
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5 %
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6 % The resulting plist may be used to set object history.
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8 % check parameters
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9 if ~isa(conn, 'java.sql.Connection')
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10 error('### invalid call');
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11 end
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12 if ~isa(pl, 'plist')
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13 error('### invalid call');
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14 end
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16 % get connection parameters
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17 r = '^jdbc:mysql://(?<hostname>.+)/(?<database>.+)$';
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18 c = regexp(char(conn.getMetaData().getURL()), r, 'names');
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20 % remove unwanted parameters
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21 prem(pl, 'conn');
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22 prem(pl, 'username');
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23 prem(pl, 'password');
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25 % add essentials connections parameters
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26 pset(pl, 'hostname', c.hostname);
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27 pset(pl, 'database', c.database);
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29 end
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32 function prem(pl, key)
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33 % PREM Remove parameter KEY if present in plist PL.
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34 if isparam(pl, key)
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35 remove(pl, key);
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36 end
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37 end