[795] | 1 | <?php |
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| 2 | require_once (GALAXIA_LIBRARY.SEP.'src'.SEP.'common'.SEP.'Base.php'); |
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| 3 | /** |
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| 4 | * Represents the process that is being executed when an activity |
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| 5 | * is executed. You can access this class methods using $process from any activity. |
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| 6 | * No need to instantiate a new object |
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| 7 | * |
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| 8 | * @package Galaxia |
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| 9 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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| 10 | */ |
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| 11 | class Process extends Base { |
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| 12 | /** |
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| 13 | * @var string $name |
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| 14 | * @access protected |
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| 15 | */ |
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| 16 | var $name; |
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| 17 | /** |
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| 18 | * @var string $description |
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| 19 | * @access protected |
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| 20 | */ |
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| 21 | var $description; |
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| 22 | /** |
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| 23 | * @var int $version |
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| 24 | * @access protected |
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| 25 | */ |
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| 26 | var $version; |
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| 27 | /** |
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| 28 | * @var string $normalizedName |
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| 29 | * @access protected |
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| 30 | */ |
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| 31 | var $normalizedName; |
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| 32 | /** |
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| 33 | * @var string $pId Process id |
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| 34 | * @access protected |
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| 35 | */ |
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| 36 | var $pId = 0; |
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| 37 | /** |
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| 38 | * @var array $config |
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| 39 | * @access protected |
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| 40 | */ |
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| 41 | var $config = array(); |
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| 42 | |
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| 43 | /** |
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| 44 | * Constructor |
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| 45 | * |
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| 46 | * @param object $db |
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| 47 | * @return object |
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| 48 | * @access public |
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| 49 | */ |
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[2591] | 50 | function Process() |
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[795] | 51 | { |
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| 52 | $this->child_name = 'Process'; |
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[2591] | 53 | parent::Base(); |
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[795] | 54 | } |
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| 55 | |
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| 56 | /** |
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| 57 | * Loads a process from the database |
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| 58 | * |
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| 59 | * @param int $pId |
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| 60 | * @return bool |
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| 61 | * @access public |
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| 62 | */ |
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| 63 | function getProcess($pId) |
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| 64 | { |
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| 65 | $query = "select * from `".GALAXIA_TABLE_PREFIX."processes` where `wf_p_id`=?"; |
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| 66 | $result = $this->query($query,array($pId)); |
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| 67 | if(!$result->numRows()) return false; |
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| 68 | $res = $result->fetchRow(); |
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| 69 | $this->name = $res['wf_name']; |
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| 70 | $this->description = $res['wf_description']; |
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| 71 | $this->normalizedName = $res['wf_normalized_name']; |
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| 72 | $this->version = $res['wf_version']; |
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| 73 | $this->pId = $res['wf_p_id']; |
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| 74 | //config is load only on the first getConfigValues call |
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| 75 | } |
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| 76 | |
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| 77 | /** |
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| 78 | * Gets the process Id |
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| 79 | * |
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| 80 | * @return int |
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| 81 | * @access public |
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| 82 | */ |
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| 83 | function getProcessId() |
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| 84 | { |
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| 85 | return $this->pId; |
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| 86 | } |
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| 87 | |
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| 88 | /** |
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| 89 | * Gets the normalized name of the process |
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| 90 | * |
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| 91 | * @return string |
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| 92 | * @access public |
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| 93 | */ |
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| 94 | function getNormalizedName() |
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| 95 | { |
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| 96 | return $this->normalizedName; |
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| 97 | } |
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| 98 | |
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| 99 | /** |
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| 100 | * Gets the process name |
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| 101 | * |
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| 102 | * @return string |
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| 103 | * @access public |
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| 104 | */ |
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| 105 | function getName() |
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| 106 | { |
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| 107 | return $this->name; |
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| 108 | } |
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| 109 | |
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| 110 | /** |
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| 111 | * Gets the process version |
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| 112 | * |
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| 113 | * @return int |
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| 114 | * @access public |
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| 115 | */ |
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| 116 | function getVersion() |
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| 117 | { |
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| 118 | return $this->version; |
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| 119 | } |
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| 120 | |
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| 121 | /** |
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| 122 | * Gets information about an activity in this process by name |
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| 123 | * |
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| 124 | * @param string $actname |
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| 125 | * @return array |
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| 126 | * @access public |
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| 127 | */ |
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| 128 | function getActivityByName($actname) |
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| 129 | { |
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| 130 | // Get the activity data |
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| 131 | $query = "select * from `".GALAXIA_TABLE_PREFIX."activities` where `wf_p_id`=? and `wf_name`=?"; |
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| 132 | $pId = $this->pId; |
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| 133 | $result = $this->query($query,array($pId,$actname)); |
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| 134 | if(!$result->numRows()) return false; |
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| 135 | $res = $result->fetchRow(); |
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| 136 | return $res; |
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| 137 | } |
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| 138 | |
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| 139 | /** |
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| 140 | * Store config values for this process |
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| 141 | * |
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| 142 | * @param array $parameters pairs of (config_variables_names => (type => value)) |
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| 143 | * type can be int or text, anything else is considered text |
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| 144 | * int value of -1 is considered as 'default global configuration option'. So nothing |
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| 145 | * will be stored for this process (and existing values are erased) |
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| 146 | * @return bool |
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| 147 | * @access public |
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| 148 | */ |
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| 149 | function setConfigValues(&$parameters) |
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| 150 | { |
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| 151 | if (!is_array($parameters)) |
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| 152 | { |
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| 153 | return false; |
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| 154 | } |
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| 155 | $array_delete=array(); |
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| 156 | $array_set=array(); |
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| 157 | $pId = (string)$this->pId; |
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| 158 | foreach ($parameters as $config_var => $config_value) |
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| 159 | { |
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| 160 | //all config values will be deleted |
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| 161 | $array_delete[] = array($pId, $config_var); |
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| 162 | |
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| 163 | //foreach but normally there's only one loop |
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| 164 | foreach($config_value as $value_type => $value_zone) |
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| 165 | { |
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| 166 | $ok = true; |
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| 167 | if ($value_type=='int') |
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| 168 | { |
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| 169 | //special value, refer to global config values for this process conf variable |
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| 170 | //we don't want any value stored for this process conf variable |
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| 171 | //so we break the foreach before setting the $array_set |
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| 172 | if ($value_zone == -1) |
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| 173 | { |
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| 174 | $ok=false; |
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| 175 | break; |
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| 176 | } |
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| 177 | //else it's classic |
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| 178 | $value_int = $value_zone; |
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| 179 | $value= ''; |
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| 180 | } |
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| 181 | else |
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| 182 | { |
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| 183 | $value = $value_zone; |
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| 184 | $value_int = null; |
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| 185 | } |
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| 186 | } |
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| 187 | //we are going to set this config value if $ok says so |
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| 188 | if ($ok) $array_set[] = array($config_var, $value, $value_int, $pId); |
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| 189 | } |
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| 190 | //delete previous config values if they are in a bulk statement |
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| 191 | if (count($array_delete)>0) |
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| 192 | { |
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| 193 | $result= $this->query("DELETE from ".GALAXIA_TABLE_PREFIX."process_config where wf_p_id=? and wf_config_name=?",$array_delete, -1,-1,true,'',true); |
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| 194 | } |
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| 195 | //insert in a bulk statement |
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| 196 | if (count($array_set)>0) |
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| 197 | { |
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| 198 | $result= $this->query("INSERT into ".GALAXIA_TABLE_PREFIX."process_config |
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| 199 | (wf_config_name,wf_config_value,wf_config_value_int,wf_p_id) values (?,?,?,?)" |
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| 200 | ,$array_set, -1,-1,true,'', true); |
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| 201 | } |
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| 202 | } |
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| 203 | |
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| 204 | /** |
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| 205 | * Gets all the process configuration values. The configuration data is then cached for this process object life |
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| 206 | * |
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| 207 | * @param array $parameters pairs of (config_variables_names => default_values) |
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| 208 | * For a variable name which has no previous value and no global value (default process value) |
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| 209 | * it will return default_value and this default value will be the NEW STORED value |
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| 210 | * If no default value is given we assume it's a false |
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| 211 | * @return array |
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| 212 | * @access public |
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| 213 | */ |
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| 214 | function getConfigValues(&$parameters) |
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| 215 | { |
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| 216 | if (!is_array($parameters)) |
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| 217 | { |
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| 218 | return false; |
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| 219 | } |
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| 220 | if (count($this->config) == 0) |
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| 221 | { // first time we come |
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| 222 | // Get all the config data for this process |
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| 223 | $query = "select * from ".GALAXIA_TABLE_PREFIX."process_config where wf_p_id=?"; |
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| 224 | $pId = $this->pId; |
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| 225 | $result = $this->query($query,array($pId)); |
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| 226 | |
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| 227 | if($result->numRows()>0) |
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| 228 | { |
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| 229 | //we add process datas for some config_name, we store it in $this->config |
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| 230 | while ($res=$result->fetchRow()) |
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| 231 | { |
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| 232 | //int values are not stored in the same field |
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| 233 | $int_value= $res['wf_config_value_int']; |
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| 234 | if (isset($int_value)) |
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| 235 | { |
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| 236 | $this->config[$res['wf_config_name']] = $int_value; |
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| 237 | } |
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| 238 | else |
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| 239 | { |
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| 240 | $this->config[$res['wf_config_name']] = $res['wf_config_value']; |
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| 241 | } |
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| 242 | } |
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| 243 | } |
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| 244 | }// the second time we jump here |
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| 245 | |
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| 246 | //parse config_name asked |
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| 247 | $local_array = array(); |
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| 248 | $global_default_array = array(); |
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| 249 | foreach ($parameters as $config_var => $default_value) |
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| 250 | { |
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| 251 | if (isset($this->config[$config_var])) |
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| 252 | {// we already know this config value |
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| 253 | //echo "<br>ok we had one for ".$config_var; |
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| 254 | $local_array[$config_var] = $this->config[$config_var]; |
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| 255 | } |
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| 256 | else |
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| 257 | { |
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| 258 | // we have no value for it here, we'll ask it in the global conf |
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| 259 | //echo "<br>we had nothing for ".$config_var; |
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| 260 | $global_default_array[$config_var] = $default_value; |
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| 261 | } |
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| 262 | } |
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| 263 | |
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| 264 | // if we have some not set value that we need to check in global conf |
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| 265 | if (count($global_default_array) > 0) |
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| 266 | { |
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| 267 | $global_array =& galaxia_get_config_values($global_default_array); |
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| 268 | } |
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| 269 | $result = (array)$local_array + (array)$global_array; |
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| 270 | return $result; |
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| 271 | } |
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| 272 | } |
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| 273 | |
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| 274 | ?> |
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