ezsystems /
ezpublish-kernel
Complex classes like Handler 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 Handler, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 26 | class Handler implements BaseLocationHandler |
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| 27 | { |
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| 28 | /** |
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| 29 | * Gateway for handling location data. |
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| 30 | * |
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| 31 | * @var \eZ\Publish\Core\Persistence\Legacy\Content\Location\Gateway |
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| 32 | */ |
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| 33 | protected $locationGateway; |
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| 34 | |||
| 35 | /** |
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| 36 | * Location locationMapper. |
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| 37 | * |
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| 38 | * @var \eZ\Publish\Core\Persistence\Legacy\Content\Location\Mapper |
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| 39 | */ |
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| 40 | protected $locationMapper; |
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| 41 | |||
| 42 | /** |
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| 43 | * Content handler. |
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| 44 | * |
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| 45 | * @var \eZ\Publish\Core\Persistence\Legacy\Content\Handler |
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| 46 | */ |
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| 47 | protected $contentHandler; |
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| 48 | |||
| 49 | /** |
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| 50 | * Object state handler. |
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| 51 | * |
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| 52 | * @var \eZ\Publish\Core\Persistence\Legacy\Content\ObjectState\Handler |
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| 53 | */ |
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| 54 | protected $objectStateHandler; |
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| 55 | |||
| 56 | /** |
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| 57 | * Tree handler. |
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| 58 | * |
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| 59 | * @var \eZ\Publish\Core\Persistence\Legacy\Content\TreeHandler |
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| 60 | */ |
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| 61 | protected $treeHandler; |
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| 62 | |||
| 63 | /** |
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| 64 | * Construct from userGateway. |
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| 65 | * |
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| 66 | * @param \eZ\Publish\Core\Persistence\Legacy\Content\Location\Gateway $locationGateway |
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| 67 | * @param \eZ\Publish\Core\Persistence\Legacy\Content\Location\Mapper $locationMapper |
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| 68 | * @param \eZ\Publish\Core\Persistence\Legacy\Content\Handler $contentHandler |
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| 69 | * @param \eZ\Publish\Core\Persistence\Legacy\Content\ObjectState\Handler $objectStateHandler |
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| 70 | * @param \eZ\Publish\Core\Persistence\Legacy\Content\TreeHandler $treeHandler |
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| 71 | * |
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| 72 | * @return \eZ\Publish\Core\Persistence\Legacy\Content\Location\Handler |
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| 73 | */ |
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| 74 | public function __construct( |
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| 87 | |||
| 88 | /** |
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| 89 | * Returns parent path string for a path string. |
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| 90 | * |
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| 91 | * @param string $pathString |
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| 92 | * |
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| 93 | * @return string |
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| 94 | */ |
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| 95 | protected function getParentPathString($pathString) |
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| 99 | |||
| 100 | /** |
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| 101 | * {@inheritdoc} |
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| 102 | */ |
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| 103 | public function load($locationId, array $translations = null, bool $useAlwaysAvailable = true) |
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| 104 | { |
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| 105 | return $this->treeHandler->loadLocation($locationId, $translations, $useAlwaysAvailable); |
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| 106 | } |
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| 107 | |||
| 108 | /** |
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| 109 | * {@inheritdoc} |
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| 110 | */ |
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| 111 | public function loadList(array $locationIds, array $translations = null, bool $useAlwaysAvailable = true): iterable |
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| 112 | { |
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| 113 | $list = $this->locationGateway->getNodeDataList($locationIds, $translations, $useAlwaysAvailable); |
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| 114 | |||
| 115 | $locations = []; |
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| 116 | foreach ($list as $row) { |
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| 117 | $id = (int)$row['node_id']; |
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| 118 | if (!isset($locations[$id])) { |
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| 119 | $locations[$id] = $this->locationMapper->createLocationFromRow($row); |
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| 120 | } |
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| 121 | } |
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| 122 | |||
| 123 | return $locations; |
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| 124 | } |
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| 125 | |||
| 126 | /** |
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| 127 | * Loads the subtree ids of the location identified by $locationId. |
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| 128 | * |
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| 129 | * @param int $locationId |
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| 130 | * |
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| 131 | * @return array Location ids are in the index, Content ids in the value. |
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| 132 | */ |
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| 133 | public function loadSubtreeIds($locationId) |
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| 137 | |||
| 138 | /** |
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| 139 | * {@inheritdoc} |
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| 140 | */ |
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| 141 | public function loadByRemoteId($remoteId, array $translations = null, bool $useAlwaysAvailable = true) |
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| 142 | { |
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| 143 | $data = $this->locationGateway->getBasicNodeDataByRemoteId($remoteId, $translations, $useAlwaysAvailable); |
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| 144 | |||
| 145 | return $this->locationMapper->createLocationFromRow($data); |
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| 146 | } |
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| 147 | |||
| 148 | /** |
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| 149 | * Loads all locations for $contentId, optionally limited to a sub tree |
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| 150 | * identified by $rootLocationId. |
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| 151 | * |
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| 152 | * @param int $contentId |
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| 153 | * @param int $rootLocationId |
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| 154 | * |
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| 155 | * @return \eZ\Publish\SPI\Persistence\Content\Location[] |
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| 156 | */ |
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| 157 | public function loadLocationsByContent($contentId, $rootLocationId = null) |
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| 163 | |||
| 164 | /** |
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| 165 | * @see \eZ\Publish\SPI\Persistence\Content\Location\Handler::loadParentLocationsForDraftContent |
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| 166 | */ |
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| 167 | public function loadParentLocationsForDraftContent($contentId) |
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| 173 | |||
| 174 | /** |
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| 175 | * Returns an array of default content states with content state group id as key. |
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| 176 | * |
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| 177 | * @return \eZ\Publish\SPI\Persistence\Content\ObjectState[] |
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| 178 | */ |
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| 179 | protected function getDefaultContentStates() |
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| 193 | |||
| 194 | /** |
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| 195 | * @param Content $content |
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| 196 | * @param \eZ\Publish\SPI\Persistence\Content\ObjectState[] $contentStates |
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| 197 | */ |
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| 198 | protected function setContentStates(Content $content, array $contentStates) |
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| 208 | |||
| 209 | /** |
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| 210 | * Copy location object identified by $sourceId, into destination identified by $destinationParentId. |
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| 211 | * |
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| 212 | * Performs a deep copy of the location identified by $sourceId and all of |
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| 213 | * its child locations, copying the most recent published content object |
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| 214 | * for each location to a new content object without any additional version |
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| 215 | * information. Relations are not copied. URLs are not touched at all. |
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| 216 | * |
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| 217 | * @todo Either move to async/batch or find ways toward optimizing away operations per object. |
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| 218 | * @todo Optionally retain dates and set creator |
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| 219 | * |
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| 220 | * @param mixed $sourceId |
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| 221 | * @param mixed $destinationParentId |
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| 222 | * @param int|null $newOwnerId |
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| 223 | * |
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| 224 | * @return Location the newly created Location. |
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| 225 | * @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException |
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| 226 | */ |
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| 227 | public function copySubtree($sourceId, $destinationParentId, $newOwnerId = null) |
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| 329 | |||
| 330 | /** |
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| 331 | * Retrieves section ID of the location's content. |
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| 332 | * |
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| 333 | * @param int $locationId |
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| 334 | * |
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| 335 | * @return int |
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| 336 | */ |
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| 337 | private function getSectionId($locationId) |
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| 344 | |||
| 345 | /** |
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| 346 | * If the location is the main location for its content, updates subtree section. |
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| 347 | * |
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| 348 | * @param Location $location |
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| 349 | * @param int $sectionId |
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| 350 | */ |
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| 351 | private function updateSubtreeSectionIfNecessary(Location $location, $sectionId) |
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| 357 | |||
| 358 | /** |
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| 359 | * Checks if the location is the main location for its content. |
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| 360 | * |
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| 361 | * @param Location $location |
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| 362 | * |
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| 363 | * @return bool |
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| 364 | */ |
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| 365 | private function isMainLocation(Location $location) |
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| 371 | |||
| 372 | /** |
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| 373 | * Moves location identified by $sourceId into new parent identified by $destinationParentId. |
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| 374 | * |
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| 375 | * Performs a full move of the location identified by $sourceId to a new |
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| 376 | * destination, identified by $destinationParentId. Relations do not need |
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| 377 | * to be updated, since they refer to Content. URLs are not touched. |
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| 378 | * |
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| 379 | * @param mixed $sourceId |
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| 380 | * @param mixed $destinationParentId |
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| 381 | * |
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| 382 | * @return bool |
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| 383 | */ |
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| 384 | public function move($sourceId, $destinationParentId) |
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| 405 | |||
| 406 | /** |
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| 407 | * Marks the given nodes and all ancestors as modified. |
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| 408 | * |
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| 409 | * Optionally a time stamp with the modification date may be specified, |
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| 410 | * otherwise the current time is used. |
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| 411 | * |
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| 412 | * @param int|string $locationId |
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| 413 | * @param int $timestamp |
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| 414 | */ |
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| 415 | public function markSubtreeModified($locationId, $timestamp = null) |
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| 421 | |||
| 422 | /** |
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| 423 | * Sets a location to be hidden, and it self + all children to invisible. |
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| 424 | * |
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| 425 | * @param mixed $id Location ID |
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| 426 | */ |
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| 427 | public function hide($id) |
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| 433 | |||
| 434 | /** |
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| 435 | * Sets a location to be unhidden, and self + children to visible unless a parent is hiding the tree. |
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| 436 | * If not make sure only children down to first hidden node is marked visible. |
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| 437 | * |
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| 438 | * @param mixed $id |
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| 439 | */ |
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| 440 | public function unHide($id) |
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| 446 | |||
| 447 | /** |
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| 448 | * Swaps the content object being pointed to by a location object. |
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| 449 | * |
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| 450 | * Make the location identified by $locationId1 refer to the Content |
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| 451 | * referred to by $locationId2 and vice versa. |
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| 452 | * |
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| 453 | * @param mixed $locationId1 |
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| 454 | * @param mixed $locationId2 |
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| 455 | * |
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| 456 | * @return bool |
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| 457 | */ |
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| 458 | public function swap($locationId1, $locationId2) |
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| 462 | |||
| 463 | /** |
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| 464 | * Updates an existing location. |
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| 465 | * |
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| 466 | * @param \eZ\Publish\SPI\Persistence\Content\Location\UpdateStruct $location |
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| 467 | * @param int $locationId |
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| 468 | */ |
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| 469 | public function update(UpdateStruct $location, $locationId) |
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| 473 | |||
| 474 | /** |
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| 475 | * Creates a new location rooted at $location->parentId. |
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| 476 | * |
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| 477 | * @param \eZ\Publish\SPI\Persistence\Content\Location\CreateStruct $createStruct |
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| 478 | * |
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| 479 | * @return \eZ\Publish\SPI\Persistence\Content\Location |
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| 480 | */ |
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| 481 | public function create(CreateStruct $createStruct) |
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| 493 | |||
| 494 | /** |
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| 495 | * Removes all Locations under and including $locationId. |
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| 496 | * |
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| 497 | * Performs a recursive delete on the location identified by $locationId, |
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| 498 | * including all of its child locations. Content which is not referred to |
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| 499 | * by any other location is automatically removed. Content which looses its |
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| 500 | * main Location will get the first of its other Locations assigned as the |
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| 501 | * new main Location. |
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| 502 | * |
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| 503 | * @param mixed $locationId |
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| 504 | * |
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| 505 | * @return bool |
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| 506 | */ |
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| 507 | public function removeSubtree($locationId) |
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| 511 | |||
| 512 | /** |
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| 513 | * Set section on all content objects in the subtree. |
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| 514 | * |
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| 515 | * @param mixed $locationId |
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| 516 | * @param mixed $sectionId |
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| 517 | */ |
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| 518 | public function setSectionForSubtree($locationId, $sectionId) |
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| 522 | |||
| 523 | /** |
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| 524 | * Changes main location of content identified by given $contentId to location identified by given $locationId. |
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| 525 | * |
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| 526 | * Updates ezcontentobject_tree and eznode_assignment tables (eznode_assignment for content current version number). |
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| 527 | * |
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| 528 | * @param mixed $contentId |
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| 529 | * @param mixed $locationId |
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| 530 | */ |
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| 531 | public function changeMainLocation($contentId, $locationId) |
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| 535 | |||
| 536 | /** |
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| 537 | * Get the total number of all existing Locations. Can be combined with loadAllLocations. |
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| 538 | * |
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| 539 | * @return int |
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| 540 | */ |
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| 541 | public function countAllLocations() |
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| 545 | |||
| 546 | /** |
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| 547 | * Bulk-load all existing Locations, constrained by $limit and $offset to paginate results. |
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| 548 | * |
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| 549 | * @param int $offset |
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| 550 | * @param int $limit |
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| 551 | * |
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| 552 | * @return \eZ\Publish\SPI\Persistence\Content\Location[] |
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| 553 | */ |
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| 554 | public function loadAllLocations($offset, $limit) |
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| 560 | } |
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| 561 |
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Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.