| 1 | <?php |
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| 2 | /********************************************************************\ |
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| 3 | * This program is free software; you can redistribute it and/or * |
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| 4 | * modify it under the terms of the GNU General Public License as * |
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| 5 | * published by the Free Software Foundation; either version 2 of * |
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| 6 | * the License, or (at your option) any later version. * |
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| 7 | * * |
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| 8 | * This program is distributed in the hope that it will be useful, * |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 11 | * GNU General Public License for more details. * |
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| 12 | * * |
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| 13 | * You should have received a copy of the GNU General Public License* |
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| 14 | * along with this program; if not, contact: * |
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| 15 | * * |
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| 16 | * Free Software Foundation Voice: +1-617-542-5942 * |
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| 17 | * 59 Temple Place - Suite 330 Fax: +1-617-542-2652 * |
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| 18 | * Boston, MA 02111-1307, USA gnu@gnu.org * |
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| 19 | * * |
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| 20 | \********************************************************************/ |
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| 21 | /**@file Node.php |
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| 22 | * @author Copyright (C) 2005 Benoit Gr�goire <bock@step.polymtl.ca> |
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| 23 | */ |
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| 24 | |
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| 25 | require_once BASEPATH.'include/common.php'; |
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| 26 | |
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| 27 | /** Abstract a Node. A Node is an actual physical transmitter. */ |
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| 28 | class Node{ |
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| 29 | private $mRow; |
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| 30 | private $mId; |
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| 31 | |
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| 32 | /** Instantiate a node object |
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| 33 | * @param $id The id of the requested node |
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| 34 | * @return a Node object, or null if there was an error |
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| 35 | */ |
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| 36 | static function GetObject($id) |
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| 37 | { |
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| 38 | $object = null; |
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| 39 | $object = new self($id); |
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| 40 | return $object; |
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| 41 | } |
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| 42 | |
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| 43 | /** Create a new Node in the database |
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| 44 | * @param $id The id to be given to the new node |
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| 45 | * @return the newly created Node object, or null if there was an error |
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| 46 | */ |
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| 47 | static function CreateObject($id) |
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| 48 | { |
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| 49 | $object = null; |
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| 50 | $id_str = $db->EscapeString($id); |
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| 51 | $sql = "INSERT INTO nodes values (node_id) VALUES ('$id_str')"; |
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| 52 | $db->ExecSqlUpdate($sql, false); |
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| 53 | $object = new self($id); |
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| 54 | return $object; |
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| 55 | } |
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| 56 | |
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| 57 | /** @param $node_id The id of the node */ |
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| 58 | function __construct($node_id) |
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| 59 | { |
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| 60 | $node_id_str = $db->EscapeString($node_id); |
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| 61 | $sql = "SELECT * from nodes WHERE node_id='$node_id_str'"; |
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| 62 | $db->ExecSqlUniqueRes($sql, $row, false); |
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| 63 | if ($row==null) |
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| 64 | { |
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| 65 | throw new Exception(_("The id $node_id_str could not be found in the database"), "EXCEPTION_CREATE_OBJECT_FAILED"); |
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| 66 | } |
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| 67 | $this -> mRow=$row; |
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| 68 | $this -> mId=$row['node_id']; |
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| 69 | }//End class |
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| 70 | |
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| 71 | /** Return the name of the node |
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| 72 | */ |
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| 73 | function GetName() |
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| 74 | { |
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| 75 | return $this -> mRow['name']; |
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| 76 | } |
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| 77 | }// End class |
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| 78 | ?> |
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