[2] | 1 | <?php |
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| 2 | /***************************************************************************\ |
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| 3 | * eGroupWare - Object Keeper * |
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| 4 | * http://www.egroupware.org * |
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| 5 | * Written by: * |
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| 6 | * - Raphael Derosso Pereira <raphaelpereira@users.sourceforge.net> * |
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| 7 | * - Jonas Goes <jqhcb@users.sourceforge.net> * |
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| 8 | * sponsored by Thyamad - http://www.thyamad.com * |
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| 9 | * ------------------------------------------------------------------------- * |
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| 10 | * This program is free software; you can redistribute it and/or modify it * |
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| 11 | * under the terms of the GNU General Public License as published by the * |
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| 12 | * Free Software Foundation; either version 2 of the License, or (at your * |
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| 13 | * option) any later version. * |
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| 14 | \***************************************************************************/ |
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| 15 | |
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| 16 | |
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| 17 | class object_keeper |
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| 18 | { |
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| 19 | var $repository = array('_USED_' => array()); |
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| 20 | var $rep_size = 0; |
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| 21 | var $max_rep_size = 0; |
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| 22 | |
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| 23 | var $serial_rep; |
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| 24 | |
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| 25 | function object_keeper () |
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| 26 | { |
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| 27 | // TODO: get this value from preferences |
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| 28 | $this->max_rep_size = 50000; |
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| 29 | } |
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| 30 | |
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| 31 | function & GetObject ($class_name, $unique_id = '_UNDEF_', |
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| 32 | $p1='_UNDEF_',$p2='_UNDEF_',$p3='_UNDEF_',$p4='_UNDEF_', |
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| 33 | $p5='_UNDEF_',$p6='_UNDEF_',$p7='_UNDEF_',$p8='_UNDEF_', |
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| 34 | $p9='_UNDEF_',$p10='_UNDEF_',$p11='_UNDEF_',$p12='_UNDEF_', |
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| 35 | $p13='_UNDEF_',$p14='_UNDEF_',$p15='_UNDEF_',$p16='_UNDEF_') |
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| 36 | { |
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| 37 | // TODO: error management |
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| 38 | if (is_array($unique_id)) |
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| 39 | { |
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| 40 | exit(lang('Object Keeper ERROR: Can\'t use an array as an unique ID!')); |
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| 41 | } |
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| 42 | |
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| 43 | if (is_object($repository[$class_name][$unique_id])) |
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| 44 | { |
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| 45 | $this->repository['_USED_'][$class_name.','.$unique_id]++; |
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| 46 | return ($this->repository[$class_name][$unique_id]); |
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| 47 | } |
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| 48 | |
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| 49 | if ($this->repository_size > $this->max_rep_size) |
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| 50 | { |
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| 51 | arsort($this->repository['_USED_']); |
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| 52 | reset($this->repository['_USED_']); |
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| 53 | $remove_class = explode(',',array_shift($this->repository['_USED_'])); |
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| 54 | unset($this->repository[$remove_class[0]]); |
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| 55 | } |
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| 56 | |
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| 57 | $this->repository[$class_name][$unique_id] =& CreateObject($class_name,$p1,$p2,$p3,$p4,$p5,$p6,$p7,$p8,$p9,$p10,$p11,$p12,$p13,$p14,$p15,$p16); |
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| 58 | //$this->repository[$class_name]['_INC_'] = '../../'.substr($class_name, 1, strpos($class_name, '.')).substr($class_name, strpos($class_name, '.')+1, strlen($class_name)); |
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| 59 | |
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| 60 | $this->repository['_USED_'][$class_name.','.$unique_id] = 1; |
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| 61 | |
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| 62 | $this->rep_size = strlen(serialize($this->repository)); |
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| 63 | |
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| 64 | return $this->repository[$class_name][$unique_id]; |
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| 65 | } |
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| 66 | |
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| 67 | /*! |
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| 68 | |
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| 69 | @function RemoveObject |
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| 70 | @abstract Removes an object with the specified ID from the repository |
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| 71 | @author Raphael Derosso Pereira |
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| 72 | |
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| 73 | @param string $class The class full name |
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| 74 | @param mixed $id The Object's Unique ID |
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| 75 | |
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| 76 | */ |
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| 77 | function RemoveObject($class,$id) |
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| 78 | { |
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| 79 | if ($this->repository[$class][$id]) |
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| 80 | { |
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| 81 | unset($this->repository[$class][$id]); |
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| 82 | unset($this->repository['_USED_'][$class.','.$id]); |
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| 83 | return true; |
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| 84 | } |
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| 85 | |
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| 86 | return false; |
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| 87 | } |
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| 88 | /*! |
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| 89 | |
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| 90 | @function __sleep |
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| 91 | @abstract Reserved PHP function to be executed when the Object |
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| 92 | Keeper is serialized |
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| 93 | @author Raphael Derosso Pereira |
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| 94 | |
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| 95 | */ |
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| 96 | function __sleep() |
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| 97 | { |
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| 98 | /* This is a temporary solution to keep the Object Keeper |
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| 99 | * inside the session. It is here while the method below |
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| 100 | * isn't implemented. |
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| 101 | */ |
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| 102 | unset($this->repository); |
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| 103 | |
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| 104 | /* This is an attempt to keep the objects serialized in another |
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| 105 | * array, but the problem is that the php serialize function |
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| 106 | * doesn't keep track of references, so it's impossible (at least |
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| 107 | * I didn't find any good way to do it) to manage references. This |
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| 108 | * doesn't apply only to objects. It applies to any type. |
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| 109 | * |
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| 110 | foreach($repository as $class_name => $object) |
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| 111 | { |
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| 112 | foreach(get_object_vars($object) as $attr => $attr_value) |
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| 113 | { |
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| 114 | if (!is_object($attr_value)) |
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| 115 | { |
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| 116 | $this->serial_rep[$class_name][$attr] = serialize($attr_value); |
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| 117 | } |
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| 118 | } |
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| 119 | }*/ |
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| 120 | } |
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| 121 | |
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| 122 | function __wakeup() |
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| 123 | { |
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| 124 | } |
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| 125 | } |
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| 126 | ?> |
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