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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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2 "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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3
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4 <html lang="en">
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5 <head>
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6 <meta name="generator" content=
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7 "HTML Tidy for Mac OS X (vers 1st December 2004), see www.w3.org">
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8 <meta http-equiv="Content-Type" content=
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9 "text/html; charset=us-ascii">
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10
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11 <title>Connecting to an LTPDA Repository (LTPDA Toolbox)</title>
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12 <link rel="stylesheet" href="docstyle.css" type="text/css">
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13 <meta name="generator" content="DocBook XSL Stylesheets V1.52.2">
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14 <meta name="description" content=
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15 "Presents an overview of the features, system requirements, and starting the toolbox.">
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16 </head>
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17
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18 <body>
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19 <a name="top_of_page" id="top_of_page"></a>
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20
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21 <p style="font-size:1px;">&nbsp;</p>
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22
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23 <table class="nav" summary="Navigation aid" border="0" width=
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24 "100%" cellpadding="0" cellspacing="0">
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25 <tr>
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26 <td valign="baseline"><b>LTPDA Toolbox</b></td><td><a href="../helptoc.html">contents</a></td>
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27
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28 <td valign="baseline" align="right"><a href=
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29 "repo_whatis.html"><img src="b_prev.gif" border="0" align=
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30 "bottom" alt="What is an LTPDA Repository"></a>&nbsp;&nbsp;&nbsp;<a href=
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31 "repo_submit.html"><img src="b_next.gif" border="0" align=
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32 "bottom" alt="Submitting LTPDA objects to a repository"></a></td>
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33 </tr>
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34 </table>
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35
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36 <h1 class="title"><a name="f3-12899" id="f3-12899"></a>Connecting to an LTPDA Repository</h1>
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37 <hr>
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38
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39 <p>
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40 <p>
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41
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42 Connection to an LTPDA Repository is normally carried out as part of other processes. For example, when submitting an
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43 object to the repository using the <tt>submit</tt> command, the user is prompted to login to the chosen repository.
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44 </p>
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45 <p>
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46 It is also possible to connect to a repository using a script interface. The result is a connection object which can
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47 be passed to other methods (for example, <tt>submit</tt>), thus allowing the construction of more automated procedures
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48 for interacting with repositories.
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49 </p>
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50 <p>
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51 To connect to a repository using the script interface, us the command <tt>utils.jmysql.connect</tt>. It takes the following input arguments:
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52
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53 <table border="1" cellpadding="2" width="30%" bgcolor="#DDDDDD">
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54 <tr valign="top">
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55 <td><tt>hostname</tt></td><td>A hostname for the repository</td>
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56 </tr>
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57 <tr valign="top">
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58 <td><tt>dbname</tt></td><td>A database name to connect to</td>
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59 </tr>
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60 <tr valign="top">
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61 <td><tt>username</tt></td><td>[optional] A username to connect with</td>
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62 </tr>
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63 <tr valign="top">
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64 <td><tt>username</tt></td><td>[optional] A password to connect with</td>
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65 </tr>
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66 </table>
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67
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68 <br> If you don't supply them as input arguments, you will then be prompted for a
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69 valid username and password.
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70 <br>
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71 The result is a <tt>mpipeline.repository.RepositoryConnection</tt> object which can be further used to interact with the repository.
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72 <br>
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73 To disconnect from the server, use the <tt>closeConnection</tt> method of the <tt>mpipeline.repository.RepositoryConnection</tt> class:
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74
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75 <div class="fragment"><pre>
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76 >> conn.closeConnection
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77 </pre></div>
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78
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79 </p>
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80
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82
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83 </p>
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84
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85 <br>
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86 <br>
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87 <table class="nav" summary="Navigation aid" border="0" width=
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88 "100%" cellpadding="0" cellspacing="0">
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89 <tr valign="top">
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90 <td align="left" width="20"><a href="repo_whatis.html"><img src=
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91 "b_prev.gif" border="0" align="bottom" alt=
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92 "What is an LTPDA Repository"></a>&nbsp;</td>
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93
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94 <td align="left">What is an LTPDA Repository</td>
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95
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96 <td>&nbsp;</td>
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97
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98 <td align="right">Submitting LTPDA objects to a repository</td>
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99
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100 <td align="right" width="20"><a href=
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101 "repo_submit.html"><img src="b_next.gif" border="0" align=
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102 "bottom" alt="Submitting LTPDA objects to a repository"></a></td>
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103 </tr>
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104 </table><br>
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105
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106 <p class="copy">&copy;LTP Team</p>
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107 </body>
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108 </html>