OpenBuildings /
jam
Complex classes like Kohana_Jam_Validated often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Kohana_Jam_Validated, and based on these observations, apply Extract Interface, too.
| 1 | <?php defined('SYSPATH') OR die('No direct script access.'); |
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| 14 | abstract class Kohana_Jam_Validated extends Model implements Serializable { |
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| 15 | |||
| 16 | /** |
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| 17 | * @var array The original data set on the object |
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| 18 | */ |
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| 19 | protected $_original = array(); |
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| 20 | |||
| 21 | /** |
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| 22 | * @var array Data that's changed since the object was loaded |
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| 23 | */ |
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| 24 | protected $_changed = array(); |
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| 25 | |||
| 26 | /** |
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| 27 | * @var array Data that's already been retrieved is cached |
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| 28 | */ |
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| 29 | protected $_retrieved = array(); |
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| 30 | |||
| 31 | /** |
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| 32 | * @var array Unmapped data that is still accessible |
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| 33 | */ |
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| 34 | protected $_unmapped = array(); |
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| 35 | |||
| 36 | /** |
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| 37 | * @var boolean Whether or not the model is validating |
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| 38 | */ |
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| 39 | protected $_is_validating = FALSE; |
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| 40 | |||
| 41 | /** |
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| 42 | * @var Jam_Meta A copy of this object's meta object |
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| 43 | */ |
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| 44 | protected $_meta = NULL; |
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| 45 | |||
| 46 | /** |
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| 47 | * @var Boolean A flag that keeps track of whether or not the model is valid |
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| 48 | */ |
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| 49 | protected $_errors = NULL; |
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| 50 | |||
| 51 | /** |
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| 52 | * Constructor. |
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| 53 | * |
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| 54 | * A key can be passed to automatically load a model by its |
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| 55 | * unique key. |
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| 56 | * |
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| 57 | * @param mixed|null $key |
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| 58 | */ |
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| 59 | 441 | public function __construct($meta_name = NULL) |
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| 71 | |||
| 72 | /** |
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| 73 | * Gets the value of a field. |
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| 74 | * |
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| 75 | * Unlike Jam_Model::get(), values that are returned are cached |
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| 76 | * until they are changed and relationships are automatically select()ed. |
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| 77 | * |
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| 78 | * @see get() |
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| 79 | * @param string $name The name or alias of the field you're retrieving |
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| 80 | * @return mixed |
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| 81 | */ |
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| 82 | 146 | public function &__get($name) |
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| 91 | |||
| 92 | /** |
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| 93 | * Sets the value of a field. |
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| 94 | * |
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| 95 | * @see set() |
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| 96 | * @param string $name The name of the field you're setting |
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| 97 | * @param mixed $value The value you're setting |
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| 98 | * @return void |
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| 99 | */ |
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| 100 | 76 | public function __set($name, $value) |
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| 111 | |||
| 112 | /** |
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| 113 | * Passes unknown methods along to the behaviors. |
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| 114 | * |
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| 115 | * @param string $method |
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| 116 | * @param array $args |
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| 117 | * @return mixed |
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| 118 | **/ |
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| 119 | 34 | public function __call($method, $args) |
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| 123 | |||
| 124 | /** |
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| 125 | * Returns true if $name is a field of the model or an unmapped column. |
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| 126 | * |
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| 127 | * This does not conform to the standard of returning FALSE if the |
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| 128 | * property is set but the value is NULL. Rather this acts more like |
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| 129 | * property_exists. |
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| 130 | * |
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| 131 | * @param string $name |
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| 132 | * @return boolean |
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| 133 | */ |
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| 134 | public function __isset($name) |
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| 138 | |||
| 139 | /** |
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| 140 | * This doesn't unset fields. Rather, it sets them to their original |
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| 141 | * value. Unmapped, changed, and retrieved values are unset. |
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| 142 | * |
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| 143 | * In essence, unsetting a field sets it as if you never made any changes |
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| 144 | * to it, and clears the cache if the value has been retrieved with those changes. |
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| 145 | * |
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| 146 | * @param string $name |
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| 147 | * @return void |
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| 148 | */ |
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| 149 | public function __unset($name) |
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| 157 | |||
| 158 | /** |
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| 159 | * Returns a string representation of the model in the |
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| 160 | * form of `Model_Name (id)` or `Model_Name (NULL)` if |
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| 161 | * the model is not loaded. |
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| 162 | * |
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| 163 | * This is designed to be useful for debugging. |
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| 164 | * |
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| 165 | * @return string |
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| 166 | */ |
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| 167 | public function __toString() |
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| 171 | |||
| 172 | /** |
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| 173 | * Gets the value for a field. |
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| 174 | * |
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| 175 | * @param string $name The field's name |
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| 176 | * @return array|mixed |
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| 177 | */ |
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| 178 | 215 | public function get($name) |
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| 200 | |||
| 201 | /** |
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| 202 | * Returns the original value of a field, before it was changed. |
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| 203 | * |
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| 204 | * This method—combined with get(), which first searches for changed |
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| 205 | * values—is useful for comparing changes that occurred on a model. |
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| 206 | * |
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| 207 | * @param string $field The field's or alias name |
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| 208 | * @return mixed |
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| 209 | */ |
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| 210 | 207 | public function original($field_name = NULL) |
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| 220 | |||
| 221 | /** |
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| 222 | * Returns an array of values in the fields. |
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| 223 | * |
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| 224 | * You can pass an array of field names to retrieve |
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| 225 | * only the values for those fields: |
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| 226 | * |
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| 227 | * $model->as_array(array('id', 'name', 'status')); |
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| 228 | * |
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| 229 | * @param array $fields |
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| 230 | * @return array |
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| 231 | */ |
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| 232 | 10 | public function as_array(array $fields = NULL) |
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| 244 | |||
| 245 | /** |
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| 246 | * Set preloaded values, without changing the save, loaded and changed flags |
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| 247 | * @param array|string $values |
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| 248 | * @param mixed $value |
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| 249 | * @return $this |
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| 250 | */ |
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| 251 | 12 | public function retrieved($values, $value = NULL) |
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| 263 | /** |
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| 264 | * Sets the value of a field. |
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| 265 | * |
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| 266 | * You can pass an array of key => value pairs |
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| 267 | * to set multiple fields at the same time: |
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| 268 | * |
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| 269 | * $model->set(array( |
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| 270 | * 'field1' => 'value', |
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| 271 | * 'field2' => 'value', |
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| 272 | * .... |
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| 273 | * )); |
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| 274 | * |
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| 275 | * @param array|string $values |
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| 276 | * @param mixed|null $value |
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| 277 | * @return $this |
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| 278 | */ |
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| 279 | 93 | public function set($values, $value = NULL) |
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| 280 | { |
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| 281 | // Accept set('name', 'value'); |
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| 282 | 93 | if ( ! is_array($values)) |
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| 283 | { |
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| 284 | $values = array($values => $value); |
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| 285 | } |
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| 286 | |||
| 287 | 93 | foreach ($values as $key => & $value) |
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| 288 | { |
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| 289 | 91 | if ($field = $this->meta()->field($key)) |
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| 290 | { |
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| 291 | 78 | $converted_field_value = $field->set($this, $value, TRUE); |
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| 292 | 78 | if ($converted_field_value !== $this->{$field->name}) |
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| 293 | { |
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| 294 | 56 | $this->_changed[$field->name] = $converted_field_value; |
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| 295 | |||
| 296 | 56 | if (array_key_exists($field->name, $this->_retrieved)) |
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| 297 | { |
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| 298 | 78 | unset($this->_retrieved[$field->name]); |
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| 299 | } |
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| 300 | } |
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| 301 | } |
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| 302 | 34 | elseif (property_exists($this, $key)) |
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| 303 | { |
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| 304 | 1 | $this->$key = $value; |
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| 305 | } |
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| 306 | else |
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| 307 | { |
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| 308 | 34 | unset($this->_retrieved[$key]); |
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| 309 | 91 | $this->_unmapped[$key] = $value; |
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| 310 | } |
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| 311 | } |
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| 312 | |||
| 313 | 93 | return $this; |
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| 314 | } |
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| 315 | |||
| 316 | 19 | public function is_valid() |
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| 317 | { |
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| 318 | 19 | return count($this->errors()) == 0; |
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| 319 | } |
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| 320 | |||
| 321 | /** |
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| 322 | * Validates the current model's data |
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| 323 | * |
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| 324 | * @throws Jam_Exception_Validation |
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| 325 | * @param Validation|null $extra_validation |
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| 326 | * @return bool |
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| 327 | */ |
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| 328 | 19 | public function check($force = FALSE) |
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| 329 | { |
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| 330 | 19 | $this->_is_validating = TRUE; |
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| 331 | // Run validation only when new or changed |
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| 332 | 19 | if ($this->changed() OR $force) |
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| 333 | { |
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| 334 | // Reset the errors before checking |
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| 335 | 19 | $this->_errors = FALSE; |
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| 336 | |||
| 337 | 19 | $this->meta()->events()->trigger('model.before_check', $this, array($this->_changed)); |
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| 338 | |||
| 339 | 19 | $this->meta()->execute_validators($this, $force); |
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| 340 | |||
| 341 | 19 | $this->meta()->events()->trigger('model.after_check', $this, array($this->_changed)); |
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| 342 | } |
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| 343 | |||
| 344 | 19 | $this->_is_validating = FALSE; |
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| 345 | |||
| 346 | 19 | return $this->is_valid(); |
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| 347 | } |
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| 348 | |||
| 349 | /** |
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| 350 | * @return $this |
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| 351 | * @throws Jam_Exception_Validation |
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| 352 | * |
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| 353 | * @deprecated Since 0.5.24 Use try-catch around save() instead. This might be removed in future version. |
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| 354 | */ |
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| 355 | 1 | public function check_insist() |
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| 356 | { |
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| 357 | 1 | @trigger_error('check_insist() is deprecated and might be removed in future version.', E_USER_DEPRECATED); |
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| 358 | |||
| 359 | 1 | if ( ! $this->check()) |
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| 360 | 1 | throw new Jam_Exception_Validation('There was an error validating the :model: :errors', $this); |
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| 361 | |||
| 362 | return $this; |
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| 363 | } |
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| 364 | |||
| 365 | /** |
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| 366 | * Override this function to add custom validation after the validators. |
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| 367 | * Having an empty validate function allow safely calling parent::validate() |
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| 368 | * when extending models. |
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| 369 | * |
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| 370 | * You need to set errors with: |
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| 371 | * $this->errors()->add('field', 'error_name'); |
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| 372 | * |
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| 373 | * @link http://git.io/5I47Tw docs |
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| 374 | */ |
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| 375 | public function validate() {} |
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| 376 | |||
| 377 | /** |
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| 378 | * Get the errors from the previous check, if you provide a name, will return the errors only for that name |
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| 379 | * Automatically loads the error messages file from messages/jam-validation/<model_name> |
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| 380 | * If there are no errors yet - return NULL |
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| 381 | * |
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| 382 | * @param string $name the name of the field to get errors of |
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| 383 | * @return Jam_Errors|string[]|NULL |
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| 384 | */ |
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| 385 | 202 | public function errors($name = NULL) |
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| 386 | { |
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| 387 | 202 | if ( ! $this->_errors) |
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| 388 | { |
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| 389 | 202 | $this->_errors = new Jam_Errors($this, $this->meta()->errors_filename()); |
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| 390 | } |
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| 391 | |||
| 392 | 202 | if ($name !== NULL) |
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| 393 | 1 | return $this->_errors->messages($name); |
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| 394 | |||
| 395 | 201 | return $this->_errors; |
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| 396 | } |
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| 397 | |||
| 398 | /** |
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| 399 | * Removes any changes made to a model. |
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| 400 | * |
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| 401 | * This method only works on loaded models. |
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| 402 | * |
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| 403 | * @return $this |
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| 404 | */ |
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| 405 | public function revert() |
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| 414 | |||
| 415 | /** |
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| 416 | * Sets a model to its original state, as if freshly instantiated |
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| 417 | * |
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| 418 | * @return $this |
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| 419 | */ |
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| 420 | 196 | public function clear() |
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| 432 | |||
| 433 | /** |
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| 434 | * Whether or not the model is in the process of being validated |
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| 435 | * |
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| 436 | * @return boolean |
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| 437 | */ |
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| 438 | 7 | public function is_validating() |
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| 442 | |||
| 443 | /** |
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| 444 | * Returns whether or not the particular $field has changed. |
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| 445 | * |
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| 446 | * If $field is NULL, the method returns whether or not any |
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| 447 | * data whatsoever was changed on the model. |
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| 448 | * |
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| 449 | * @param string $field |
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| 450 | * @return boolean |
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| 451 | */ |
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| 452 | 58 | public function changed($name = NULL) |
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| 463 | |||
| 464 | /** |
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| 465 | * Returns the value of the model's primary key |
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| 466 | * |
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| 467 | * @return mixed |
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| 468 | */ |
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| 469 | 146 | public function id() |
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| 473 | |||
| 474 | /** |
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| 475 | * Returns the value of the model's name key |
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| 476 | * |
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| 477 | * @return string |
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| 478 | */ |
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| 479 | 17 | public function name() |
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| 483 | |||
| 484 | /** |
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| 485 | * Returns the model's meta object |
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| 486 | * |
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| 487 | * @return Jam_Meta |
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| 488 | */ |
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| 489 | 754 | public function meta() |
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| 490 | { |
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| 491 | 754 | if ( ! $this->_meta) |
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| 492 | throw new Kohana_Exception('Model for class :class does not have a meta', array(':class' => get_class($this))); |
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| 493 | |||
| 494 | 754 | return $this->_meta; |
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| 495 | } |
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| 496 | |||
| 497 | 26 | public function unmapped($name) |
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| 501 | |||
| 502 | |||
| 503 | public function serialize() |
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| 504 | { |
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| 505 | return serialize(array( |
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| 506 | 'original' => $this->_original, |
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| 507 | 'changed' => $this->_changed, |
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| 508 | 'unmapped' => $this->_unmapped, |
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| 509 | )); |
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| 510 | } |
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| 511 | |||
| 512 | public function unserialize($data) |
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| 520 | } |
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| 521 |
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This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italyis not defined by the methodfinale(...).The most likely cause is that the parameter was removed, but the annotation was not.