Mercurial > hg > ltpda

annotate m-toolbox/classes/@msym/msym.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
parents f0afece42f48
children
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0
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 classdef (Hidden = true) msym
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2
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3 properties
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4 s = '';
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5 end
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6
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7
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8 methods
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9
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10 function ms = msym(varargin)
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11
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12 if isstruct(varargin{1})
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13 ms.s = varargin{1}.s;
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14 else
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15
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16 if ischar(varargin{1})
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17 ms.s = varargin{1};
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18 elseif isnumeric(varargin{1})
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 ms.s = mat2str(varargin{1});
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Daniele Nicolodi <nicolodi@science.unitn.it>
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20 elseif isa(varargin{1}, 'msym')
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21 ms.s = varargin{1}.s;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22 else
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23 error('### Unknown class [%s] to convert it to a symbolic class.', class(varargin{1}));
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24 end
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25 end
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26
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27 end
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28
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29 function display(varargin)
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30 disp(varargin{1}.s);
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31 end
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32
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33 function s = char(o)
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34 s = o.s;
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35 end
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36
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37 function result = eq(obj1, obj2, varargin)
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38 result = 1;
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39 if numel(obj1) ~= numel(obj2)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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40 utils.helper.msg(utils.const.msg.PROC1, 'NOT EQUAL: The size of the %s-object''s. [%d] <-> [%d]', class(obj1), numel(obj1), numel(obj2));
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41 result = 0;
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42 return
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43 end
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44 if ~strcmp(obj1.s, obj2.s)
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45 utils.helper.msg(utils.const.msg.PROC1, 'NOT EQUAL: %s.%s', class(obj1), 's');
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46 result = 0;
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47 return
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48 end
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49 end
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50
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51 function o = subs(o, params, vals)
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52 if ischar(params)
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53 params = {params};
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54 end
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55 if isnumeric(vals)
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56 vals = {vals};
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57 end
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58 if numel(vals) ~= numel(params)
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59 error('### Please specify one value per parameter');
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60 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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61 for kk=1:numel(params)
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62 o.s = regexprep(o.s, ['\<' params{kk} '\>'], mat2str(vals{kk}));
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63 end
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64 end
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65
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66 function a = double(o)
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67 try
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68 a = eval(o.s);
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69 catch Me
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70 disp(Me.message);
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71 error('### Evaluation of the symbolic expression failed. Perhaps it contains undefined parameters');
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72 end
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73 end
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74
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75
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76
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77 end
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78
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79 methods (Static = true)
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80 function obj = initObjectWithSize(n,m)
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81 obj = msym.newarray([n m]);
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82 end
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83 end
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84
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85 methods (Static = true, Hidden = true)
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86 varargout = loadobj(varargin)
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87 end
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88
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89 end