Mercurial > hg > ltpda

annotate m-toolbox/classes/+utils/@helper/getDefaultValue.m @ 7:1e91f84a4be8 database-connection-manager

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Make ltpda_up.retrieve work with java.sql.Connection objects
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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1 % GETDEFAULTVALUE Returns the default value of a class property.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: Returns the default value of a class property if any default
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5 % value is defined.
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6 %
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7 % CALL: dv = getDefaultValue(obj, prop);
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8 %
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9 % INPUTS: obj: LTPDA object or a class string
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10 % prop: Property name of the class
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11 %
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12 % OUTPUTS: dv: Default value of the property.
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13 %
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14 % VERSION: $Id: getDefaultValue.m,v 1.1 2011/04/11 19:47:36 ingo Exp $
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15 %
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16 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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17
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18 function dv = getDefaultValue(obj, prop)
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19
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20 % Get the default value of the property from the meta data
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21 if ischar(obj)
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22 m = meta.class.fromName('smodel');
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23 elseif isa(obj, 'ltpda_obj')
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24 m = metaclass(obj);
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25 else
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26 error('### Unknown input. Please use: getDefaultValue(obj, prop)');
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27 end
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28
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29 p = [m.Properties{:}];
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30 idx = strcmp({p(:).Name}, prop) & [p.HasDefault];
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31
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32 if any(idx)
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33 dv = p(idx).DefaultValue;
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34 else
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35 error('### Can not find any default value for the [%s] property of the [%s] class', prop, m.Name);
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36 end
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37
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38 end