Complex classes like Share 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 Share, and based on these observations, apply Extract Interface, too.
| 1 | <?php  | 
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| 34 | class Share implements \OCP\Share\IShare { | 
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| 35 | |||
| 36 | /** @var string */  | 
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| 37 | private $id;  | 
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| 38 | /** @var string */  | 
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| 39 | private $providerId;  | 
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| 40 | /** @var Node */  | 
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| 41 | private $node;  | 
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| 42 | /** @var int */  | 
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| 43 | private $fileId;  | 
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| 44 | /** @var string */  | 
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| 45 | private $nodeType;  | 
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| 46 | /** @var int */  | 
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| 47 | private $shareType;  | 
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| 48 | /** @var string */  | 
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| 49 | private $sharedWith;  | 
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| 50 | /** @var string */  | 
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| 51 | private $sharedWithDisplayName;  | 
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| 52 | /** @var string */  | 
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| 53 | private $sharedWithAvatar;  | 
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| 54 | /** @var string */  | 
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| 55 | private $sharedBy;  | 
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| 56 | /** @var string */  | 
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| 57 | private $shareOwner;  | 
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| 58 | /** @var int */  | 
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| 59 | private $permissions;  | 
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| 60 | /** @var \DateTime */  | 
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| 61 | private $expireDate;  | 
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| 62 | /** @var string */  | 
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| 63 | private $password;  | 
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| 64 | /** @var string */  | 
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| 65 | private $token;  | 
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| 66 | /** @var int */  | 
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| 67 | private $parent;  | 
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| 68 | /** @var string */  | 
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| 69 | private $target;  | 
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| 70 | /** @var \DateTime */  | 
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| 71 | private $shareTime;  | 
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| 72 | /** @var bool */  | 
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| 73 | private $mailSend;  | 
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| 74 | |||
| 75 | /** @var IRootFolder */  | 
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| 76 | private $rootFolder;  | 
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| 77 | |||
| 78 | /** @var IUserManager */  | 
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| 79 | private $userManager;  | 
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| 80 | |||
| 81 | /** @var ICacheEntry|null */  | 
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| 82 | private $nodeCacheEntry;  | 
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| 83 | |||
| 84 | 	public function __construct(IRootFolder $rootFolder, IUserManager $userManager) { | 
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| 88 | |||
| 89 | /**  | 
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| 90 | * @inheritdoc  | 
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| 91 | */  | 
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| 92 | 	public function setId($id) { | 
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| 108 | |||
| 109 | /**  | 
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| 110 | * @inheritdoc  | 
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| 111 | */  | 
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| 112 | 	public function getId() { | 
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| 115 | |||
| 116 | /**  | 
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| 117 | * @inheritdoc  | 
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| 118 | */  | 
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| 119 | 	public function getFullId() { | 
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| 125 | |||
| 126 | /**  | 
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| 127 | * @inheritdoc  | 
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| 128 | */  | 
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| 129 | 	public function setProviderId($id) { | 
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| 141 | |||
| 142 | /**  | 
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| 143 | * @inheritdoc  | 
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| 144 | */  | 
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| 145 | 	public function setNode(Node $node) { | 
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| 151 | |||
| 152 | /**  | 
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| 153 | * @inheritdoc  | 
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| 154 | */  | 
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| 155 | 	public function getNode() { | 
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| 180 | |||
| 181 | /**  | 
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| 182 | * @inheritdoc  | 
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| 183 | */  | 
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| 184 | 	public function setNodeId($fileId) { | 
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| 189 | |||
| 190 | /**  | 
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| 191 | * @inheritdoc  | 
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| 192 | */  | 
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| 193 | 	public function getNodeId() { | 
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| 200 | |||
| 201 | /**  | 
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| 202 | * @inheritdoc  | 
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| 203 | */  | 
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| 204 | 	public function setNodeType($type) { | 
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| 212 | |||
| 213 | /**  | 
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| 214 | * @inheritdoc  | 
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| 215 | */  | 
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| 216 | 	public function getNodeType() { | 
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| 224 | |||
| 225 | /**  | 
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| 226 | * @inheritdoc  | 
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| 227 | */  | 
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| 228 | 	public function setShareType($shareType) { | 
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| 232 | |||
| 233 | /**  | 
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| 234 | * @inheritdoc  | 
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| 235 | */  | 
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| 236 | 	public function getShareType() { | 
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| 239 | |||
| 240 | /**  | 
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| 241 | * @inheritdoc  | 
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| 242 | */  | 
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| 243 | 	public function setSharedWith($sharedWith) { | 
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| 250 | |||
| 251 | /**  | 
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| 252 | * @inheritdoc  | 
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| 253 | */  | 
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| 254 | 	public function getSharedWith() { | 
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| 257 | |||
| 258 | /**  | 
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| 259 | * @inheritdoc  | 
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| 260 | */  | 
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| 261 | 	public function setSharedWithDisplayName($displayName) { | 
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| 268 | |||
| 269 | /**  | 
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| 270 | * @inheritdoc  | 
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| 271 | */  | 
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| 272 | 	public function getSharedWithDisplayName() { | 
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| 275 | |||
| 276 | /**  | 
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| 277 | * @inheritdoc  | 
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| 278 | */  | 
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| 279 | 	public function setSharedWithAvatar($src) { | 
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| 286 | |||
| 287 | /**  | 
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| 288 | * @inheritdoc  | 
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| 289 | */  | 
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| 290 | 	public function getSharedWithAvatar() { | 
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| 293 | |||
| 294 | /**  | 
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| 295 | * @inheritdoc  | 
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| 296 | */  | 
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| 297 | 	public function setPermissions($permissions) { | 
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| 303 | |||
| 304 | /**  | 
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| 305 | * @inheritdoc  | 
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| 306 | */  | 
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| 307 | 	public function getPermissions() { | 
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| 310 | |||
| 311 | /**  | 
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| 312 | * @inheritdoc  | 
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| 313 | */  | 
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| 314 | 	public function setExpirationDate($expireDate) { | 
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| 320 | |||
| 321 | /**  | 
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| 322 | * @inheritdoc  | 
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| 323 | */  | 
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| 324 | 	public function getExpirationDate() { | 
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| 327 | |||
| 328 | /**  | 
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| 329 | * @inheritdoc  | 
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| 330 | */  | 
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| 331 | 	public function setSharedBy($sharedBy) { | 
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| 340 | |||
| 341 | /**  | 
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| 342 | * @inheritdoc  | 
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| 343 | */  | 
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| 344 | 	public function getSharedBy() { | 
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| 348 | |||
| 349 | /**  | 
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| 350 | * @inheritdoc  | 
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| 351 | */  | 
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| 352 | 	public function setShareOwner($shareOwner) { | 
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| 361 | |||
| 362 | /**  | 
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| 363 | * @inheritdoc  | 
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| 364 | */  | 
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| 365 | 	public function getShareOwner() { | 
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| 369 | |||
| 370 | /**  | 
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| 371 | * @inheritdoc  | 
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| 372 | */  | 
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| 373 | 	public function setPassword($password) { | 
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| 377 | |||
| 378 | /**  | 
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| 379 | * @inheritdoc  | 
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| 380 | */  | 
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| 381 | 	public function getPassword() { | 
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| 384 | |||
| 385 | /**  | 
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| 386 | * @inheritdoc  | 
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| 387 | */  | 
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| 388 | 	public function setToken($token) { | 
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| 392 | |||
| 393 | /**  | 
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| 394 | * @inheritdoc  | 
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| 395 | */  | 
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| 396 | 	public function getToken() { | 
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| 399 | |||
| 400 | /**  | 
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| 401 | * Set the parent of this share  | 
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| 402 | *  | 
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| 403 | * @param int parent  | 
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| 404 | * @return \OCP\Share\IShare  | 
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| 405 | * @deprecated The new shares do not have parents. This is just here for legacy reasons.  | 
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| 406 | */  | 
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| 407 | 	public function setParent($parent) { | 
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| 411 | |||
| 412 | /**  | 
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| 413 | * Get the parent of this share.  | 
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| 414 | *  | 
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| 415 | * @return int  | 
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| 416 | * @deprecated The new shares do not have parents. This is just here for legacy reasons.  | 
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| 417 | */  | 
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| 418 | 	public function getParent() { | 
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| 421 | |||
| 422 | /**  | 
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| 423 | * @inheritdoc  | 
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| 424 | */  | 
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| 425 | 	public function setTarget($target) { | 
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| 429 | |||
| 430 | /**  | 
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| 431 | * @inheritdoc  | 
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| 432 | */  | 
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| 433 | 	public function getTarget() { | 
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| 436 | |||
| 437 | /**  | 
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| 438 | * @inheritdoc  | 
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| 439 | */  | 
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| 440 | 	public function setShareTime(\DateTime $shareTime) { | 
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| 444 | |||
| 445 | /**  | 
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| 446 | * @inheritdoc  | 
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| 447 | */  | 
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| 448 | 	public function getShareTime() { | 
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| 451 | |||
| 452 | /**  | 
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| 453 | * @inheritdoc  | 
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| 454 | */  | 
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| 455 | 	public function setMailSend($mailSend) { | 
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| 459 | |||
| 460 | /**  | 
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| 461 | * @inheritdoc  | 
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| 462 | */  | 
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| 463 | 	public function getMailSend() { | 
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| 466 | |||
| 467 | /**  | 
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| 468 | * @inheritdoc  | 
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| 469 | */  | 
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| 470 | 	public function setNodeCacheEntry(ICacheEntry $entry) { | 
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| 473 | |||
| 474 | /**  | 
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| 475 | * @inheritdoc  | 
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| 476 | */  | 
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| 477 | 	public function getNodeCacheEntry() { | 
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| 480 | }  | 
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| 481 |