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| 1 | <?php |
| 2 | |
| 3 | namespace Wikibase\Lexeme\Domain\Model; |
| 4 | |
| 5 | use InvalidArgumentException; |
| 6 | use OutOfRangeException; |
| 7 | use UnexpectedValueException; |
| 8 | use Wikibase\DataModel\Entity\ClearableEntity; |
| 9 | use Wikibase\DataModel\Entity\ItemId; |
| 10 | use Wikibase\DataModel\Entity\StatementListProvidingEntity; |
| 11 | use Wikibase\DataModel\Statement\StatementList; |
| 12 | use Wikibase\DataModel\Term\TermList; |
| 13 | use Wikibase\Lexeme\Domain\DummyObjects\BlankForm; |
| 14 | use Wikibase\Lexeme\Domain\DummyObjects\BlankSense; |
| 15 | |
| 16 | /** |
| 17 | * Mutable (e.g. the provided StatementList can be changed) implementation of a Lexeme in the |
| 18 | * lexicographical data model. |
| 19 | * |
| 20 | * @see https://www.mediawiki.org/wiki/Extension:WikibaseLexeme/Data_Model#Lexeme |
| 21 | * |
| 22 | * @license GPL-2.0-or-later |
| 23 | */ |
| 24 | class Lexeme implements StatementListProvidingEntity, ClearableEntity { |
| 25 | |
| 26 | public const ENTITY_TYPE = 'lexeme'; |
| 27 | |
| 28 | /** |
| 29 | * @var LexemeId|null |
| 30 | */ |
| 31 | private $id; |
| 32 | |
| 33 | /** |
| 34 | * @var StatementList |
| 35 | */ |
| 36 | private $statements; |
| 37 | |
| 38 | /** |
| 39 | * @var TermList |
| 40 | */ |
| 41 | private $lemmas; |
| 42 | |
| 43 | /** |
| 44 | * @var ItemId|null |
| 45 | */ |
| 46 | private $lexicalCategory; |
| 47 | |
| 48 | /** |
| 49 | * @var ItemId|null |
| 50 | */ |
| 51 | private $language; |
| 52 | |
| 53 | /** |
| 54 | * @var FormSet |
| 55 | */ |
| 56 | private $forms; |
| 57 | |
| 58 | /** |
| 59 | * @var SenseSet |
| 60 | */ |
| 61 | private $senses; |
| 62 | |
| 63 | /** |
| 64 | * @var int |
| 65 | */ |
| 66 | private $nextFormId; |
| 67 | |
| 68 | /** |
| 69 | * @var int |
| 70 | */ |
| 71 | private $nextSenseId; |
| 72 | |
| 73 | /** |
| 74 | * Note that $lexicalCategory and $language can only be null during construction time. Their |
| 75 | * setters can not be called with null, and their getters will throw an exception if the |
| 76 | * corresponding field was never initialized. |
| 77 | * |
| 78 | * @param LexemeId|null $id |
| 79 | * @param TermList|null $lemmas |
| 80 | * @param ItemId|null $lexicalCategory |
| 81 | * @param ItemId|null $language |
| 82 | * @param StatementList|null $statements |
| 83 | * @param int $nextFormId |
| 84 | * @param FormSet|null $forms |
| 85 | * @param int $nextSenseId |
| 86 | * @param SenseSet|null $senses |
| 87 | */ |
| 88 | public function __construct( |
| 89 | LexemeId $id = null, |
| 90 | TermList $lemmas = null, |
| 91 | ItemId $lexicalCategory = null, |
| 92 | ItemId $language = null, |
| 93 | StatementList $statements = null, |
| 94 | $nextFormId = 1, |
| 95 | FormSet $forms = null, |
| 96 | $nextSenseId = 1, |
| 97 | SenseSet $senses = null |
| 98 | ) { |
| 99 | $this->id = $id; |
| 100 | $this->lemmas = $lemmas ?: new TermList(); |
| 101 | $this->lexicalCategory = $lexicalCategory; |
| 102 | $this->language = $language; |
| 103 | $this->statements = $statements ?: new StatementList(); |
| 104 | $this->forms = $forms ?: new FormSet( [] ); |
| 105 | $this->senses = $senses ?: new SenseSet( [] ); |
| 106 | |
| 107 | $this->assertCorrectNextFormIdIsGiven( $nextFormId, $this->forms ); |
| 108 | $this->nextFormId = $nextFormId; |
| 109 | $this->assertCorrectNextSenseIdIsGiven( $nextSenseId, $this->senses ); |
| 110 | $this->nextSenseId = $nextSenseId; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * @return LexemeId|null |
| 115 | */ |
| 116 | public function getId() { |
| 117 | return $this->id; |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * @return string |
| 122 | */ |
| 123 | public function getType() { |
| 124 | return self::ENTITY_TYPE; |
| 125 | } |
| 126 | |
| 127 | public function getStatements(): StatementList { |
| 128 | return $this->statements; |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * @param LexemeId $id |
| 133 | * |
| 134 | * @throws InvalidArgumentException |
| 135 | */ |
| 136 | public function setId( $id ) { |
| 137 | if ( $id instanceof LexemeId ) { |
| 138 | $this->id = $id; |
| 139 | } else { |
| 140 | throw new InvalidArgumentException( |
| 141 | '$id must be an instance of LexemeId.' |
| 142 | ); |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * @return bool A entity is empty if it does not contain any content that can be removed. Note |
| 148 | * that neither ID nor lexical category nor language can be set to null, and are therefor not |
| 149 | * taken into account. |
| 150 | */ |
| 151 | public function isEmpty() { |
| 152 | return $this->lemmas->isEmpty() |
| 153 | && $this->statements->isEmpty() |
| 154 | && $this->forms->isEmpty() |
| 155 | && $this->senses->isEmpty(); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * @see EntityDocument::equals |
| 160 | * |
| 161 | * @param mixed $target |
| 162 | * |
| 163 | * @return bool |
| 164 | */ |
| 165 | public function equals( $target ) { |
| 166 | if ( $this === $target ) { |
| 167 | return true; |
| 168 | } |
| 169 | |
| 170 | if ( !( $target instanceof self ) ) { |
| 171 | return false; |
| 172 | } |
| 173 | |
| 174 | $sameLexicalCategory = $this->lexicalCategory === $target->lexicalCategory |
| 175 | || ( $this->lexicalCategory !== null |
| 176 | && $this->lexicalCategory->equals( $target->lexicalCategory ) ); |
| 177 | |
| 178 | $sameLanguage = $this->language === $target->language |
| 179 | || ( $this->language !== null |
| 180 | && $this->language->equals( $target->language ) ); |
| 181 | |
| 182 | $sameFormIdCounter = $this->nextFormId === $target->nextFormId; |
| 183 | $sameForms = $this->forms->equals( $target->forms ); |
| 184 | $sameSenseIdCounter = $this->nextSenseId === $target->nextSenseId; |
| 185 | $sameSenses = $this->senses->equals( $target->senses ); |
| 186 | |
| 187 | return $this->lemmas->equals( $target->lemmas ) |
| 188 | && $sameLexicalCategory |
| 189 | && $sameLanguage |
| 190 | && $sameFormIdCounter |
| 191 | && $sameForms |
| 192 | && $sameSenseIdCounter |
| 193 | && $sameSenses |
| 194 | && $this->statements->equals( $target->statements ); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * @see EntityDocument::copy |
| 199 | * |
| 200 | * @return self |
| 201 | */ |
| 202 | public function copy() { |
| 203 | return clone $this; |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * @see http://php.net/manual/en/language.oop5.cloning.php |
| 208 | */ |
| 209 | public function __clone() { |
| 210 | // TermList is mutable, but Term is not. No deeper cloning necessary. |
| 211 | $this->lemmas = clone $this->lemmas; |
| 212 | $this->statements = clone $this->statements; |
| 213 | $this->forms = clone $this->forms; |
| 214 | $this->senses = clone $this->senses; |
| 215 | } |
| 216 | |
| 217 | public function getLemmas(): TermList { |
| 218 | return $this->lemmas; |
| 219 | } |
| 220 | |
| 221 | public function setLemmas( TermList $lemmas ) { |
| 222 | $this->lemmas = $lemmas; |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * @throws UnexpectedValueException when the object was constructed with $lexicalCategory set to |
| 227 | * null, and the field was never initialized since then. |
| 228 | * @return ItemId |
| 229 | */ |
| 230 | public function getLexicalCategory() { |
| 231 | if ( !$this->lexicalCategory ) { |
| 232 | throw new UnexpectedValueException( 'Can not access uninitialized field' ); |
| 233 | } |
| 234 | |
| 235 | return $this->lexicalCategory; |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * @param ItemId|null $lexicalCategory |
| 240 | */ |
| 241 | public function setLexicalCategory( $lexicalCategory ) { |
| 242 | if ( !$lexicalCategory instanceof ItemId && $lexicalCategory !== null ) { |
| 243 | throw new InvalidArgumentException( '$lexicalCategory must be an ItemId or null' ); |
| 244 | } |
| 245 | $this->lexicalCategory = $lexicalCategory; |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * @throws UnexpectedValueException when the object was constructed with $language set to null, |
| 250 | * and the field was never initialized since then. |
| 251 | */ |
| 252 | public function getLanguage(): ItemId { |
| 253 | if ( !$this->language ) { |
| 254 | throw new UnexpectedValueException( 'Can not access uninitialized field' ); |
| 255 | } |
| 256 | |
| 257 | return $this->language; |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * @param ItemId|null $language |
| 262 | */ |
| 263 | public function setLanguage( $language ) { |
| 264 | if ( !$language instanceof ItemId && $language !== null ) { |
| 265 | throw new InvalidArgumentException( '$language must be an ItemId or null' ); |
| 266 | } |
| 267 | $this->language = $language; |
| 268 | } |
| 269 | |
| 270 | public function getForms(): FormSet { |
| 271 | return $this->forms; |
| 272 | } |
| 273 | |
| 274 | public function getSenses(): SenseSet { |
| 275 | return $this->senses; |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * @return bool False if a non-optional field was never initialized, true otherwise. |
| 280 | */ |
| 281 | public function isSufficientlyInitialized() { |
| 282 | return $this->id !== null |
| 283 | && $this->language !== null |
| 284 | && $this->lexicalCategory !== null |
| 285 | && $this->lemmas !== null |
| 286 | && !$this->lemmas->isEmpty(); |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * @return int |
| 291 | */ |
| 292 | public function getNextFormId() { |
| 293 | return $this->nextFormId; |
| 294 | } |
| 295 | |
| 296 | /** |
| 297 | * @return int |
| 298 | */ |
| 299 | public function getNextSenseId() { |
| 300 | return $this->nextSenseId; |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * @throws OutOfRangeException |
| 305 | */ |
| 306 | public function getForm( FormId $formId ): Form { |
| 307 | $form = $this->forms->getById( $formId ); |
| 308 | |
| 309 | if ( $form === null ) { |
| 310 | throw new OutOfRangeException( |
| 311 | "Lexeme {$this->id->getSerialization()} doesn't have Form " . |
| 312 | $formId->getSerialization() |
| 313 | ); |
| 314 | } |
| 315 | |
| 316 | return $form; |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * @throws OutOfRangeException if no sense by that ID exists |
| 321 | */ |
| 322 | public function getSense( SenseId $senseId ): Sense { |
| 323 | $sense = $this->senses->getById( $senseId ); |
| 324 | |
| 325 | if ( $sense === null ) { |
| 326 | $lexemeId = $this->id->getSerialization(); |
| 327 | throw new OutOfRangeException( |
| 328 | "Lexeme {$lexemeId} doesn't have sense {$senseId->getSerialization()}" |
| 329 | ); |
| 330 | } |
| 331 | |
| 332 | return $sense; |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * Replace the form identified by $form->getId() with the given one or add it. |
| 337 | * |
| 338 | * New form ids are generated for forms with a NullFormId or an unknown DummyFormId. |
| 339 | * |
| 340 | * @param Form $form |
| 341 | */ |
| 342 | public function addOrUpdateForm( Form $form ) { |
| 343 | if ( !$this->id ) { |
| 344 | throw new \LogicException( 'Can not add forms to a lexeme with no ID' ); |
| 345 | } |
| 346 | |
| 347 | if ( $form instanceof BlankForm && !$this->forms->hasFormWithId( $form->getId() ) ) { |
| 348 | $form->setId( |
| 349 | new FormId( |
| 350 | LexemeSubEntityId::formatSerialization( $this->id, 'F', $this->nextFormId++ ) |
| 351 | ) |
| 352 | ); |
| 353 | } |
| 354 | |
| 355 | $this->forms->put( $form ); |
| 356 | |
| 357 | $this->assertCorrectNextFormIdIsGiven( $this->getNextFormId(), $this->getForms() ); |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * Replace the sense identified by $sense->getId() with the given one or add it. |
| 362 | */ |
| 363 | public function addOrUpdateSense( Sense $sense ) { |
| 364 | if ( !$this->id ) { |
| 365 | throw new \LogicException( 'Cannot add sense to a lexeme with no ID' ); |
| 366 | } |
| 367 | |
| 368 | if ( $sense instanceof BlankSense && !$this->senses->hasSenseWithId( $sense->getId() ) ) { |
| 369 | $sense->setId( |
| 370 | new SenseId( |
| 371 | LexemeSubEntityId::formatSerialization( $this->id, 'S', $this->nextSenseId++ ) |
| 372 | ) |
| 373 | ); |
| 374 | } |
| 375 | |
| 376 | $this->senses->put( $sense ); |
| 377 | $this->assertCorrectNextSenseIdIsGiven( $this->getNextSenseId(), $this->getSenses() ); |
| 378 | } |
| 379 | |
| 380 | public function removeForm( FormId $formId ) { |
| 381 | $this->forms->remove( $formId ); |
| 382 | } |
| 383 | |
| 384 | public function removeSense( SenseId $senseId ) { |
| 385 | $this->senses->remove( $senseId ); |
| 386 | } |
| 387 | |
| 388 | /** |
| 389 | * @param int $number |
| 390 | */ |
| 391 | private function increaseNextFormIdTo( $number ) { |
| 392 | if ( !is_int( $number ) ) { |
| 393 | throw new \InvalidArgumentException( '$number` must be integer' ); |
| 394 | } |
| 395 | |
| 396 | if ( $number < $this->nextFormId ) { |
| 397 | throw new \LogicException( |
| 398 | "Cannot increase `nextFormId` because given number is less than counter value " . |
| 399 | "of this Lexeme. Current=`{$this->nextFormId}`, given=`{$number}`" |
| 400 | ); |
| 401 | } |
| 402 | |
| 403 | $this->nextFormId = $number; |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * @param int $number |
| 408 | */ |
| 409 | private function increaseNextSenseIdTo( $number ) { |
| 410 | if ( !is_int( $number ) ) { |
| 411 | throw new \InvalidArgumentException( '$number` must be integer' ); |
| 412 | } |
| 413 | |
| 414 | if ( $number < $this->nextSenseId ) { |
| 415 | throw new \LogicException( |
| 416 | "Cannot increase `nextSenseId` because given number is less than counter value " . |
| 417 | "of this Lexeme. Current=`{$this->nextSenseId}`, given=`{$number}`" |
| 418 | ); |
| 419 | } |
| 420 | |
| 421 | $this->nextSenseId = $number; |
| 422 | } |
| 423 | |
| 424 | public function patch( callable $patcher ) { |
| 425 | $lexemePatchAccess = new LexemePatchAccess( |
| 426 | $this->nextFormId, |
| 427 | $this->forms, |
| 428 | $this->nextSenseId, |
| 429 | $this->senses |
| 430 | ); |
| 431 | try { |
| 432 | $patcher( $lexemePatchAccess ); |
| 433 | } finally { |
| 434 | $lexemePatchAccess->close(); |
| 435 | } |
| 436 | $newFormSet = $lexemePatchAccess->getForms(); |
| 437 | $newNextFormId = $lexemePatchAccess->getNextFormId(); |
| 438 | $newSenseSet = $lexemePatchAccess->getSenses(); |
| 439 | $newNextSenseId = $lexemePatchAccess->getNextSenseId(); |
| 440 | |
| 441 | $this->assertCorrectNextFormIdIsGiven( $newNextFormId, $newFormSet ); |
| 442 | $this->assertCorrectNextSenseIdIsGiven( $newNextSenseId, $newSenseSet ); |
| 443 | |
| 444 | $this->increaseNextFormIdTo( $newNextFormId ); |
| 445 | $this->forms = $newFormSet; |
| 446 | $this->increaseNextSenseIdTo( $newNextSenseId ); |
| 447 | $this->senses = $newSenseSet; |
| 448 | } |
| 449 | |
| 450 | /** |
| 451 | * @param int $nextFormId |
| 452 | * @param FormSet $formSet |
| 453 | */ |
| 454 | private function assertCorrectNextFormIdIsGiven( $nextFormId, FormSet $formSet ) { |
| 455 | if ( !is_int( $nextFormId ) || $nextFormId < 1 ) { |
| 456 | throw new \InvalidArgumentException( '$nextFormId should be a positive integer' ); |
| 457 | } |
| 458 | |
| 459 | if ( $nextFormId <= $formSet->count() ) { |
| 460 | throw new \LogicException( |
| 461 | sprintf( |
| 462 | '$nextFormId must always be greater than the number of Forms. ' . |
| 463 | '$nextFormId = `%s`, number of forms = `%s`', |
| 464 | $nextFormId, |
| 465 | $formSet->count() |
| 466 | ) |
| 467 | ); |
| 468 | } |
| 469 | |
| 470 | if ( $nextFormId <= $formSet->maxFormIdNumber() ) { |
| 471 | throw new \LogicException( |
| 472 | sprintf( |
| 473 | '$nextFormId must always be greater than the max ID number of provided Forms. ' . |
| 474 | '$nextFormId = `%s`, max ID number of provided Forms = `%s`', |
| 475 | $nextFormId, |
| 476 | $formSet->maxFormIdNumber() |
| 477 | ) |
| 478 | ); |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | /** |
| 483 | * @param int $nextSenseId |
| 484 | * @param SenseSet $senseSet |
| 485 | */ |
| 486 | private function assertCorrectNextSenseIdIsGiven( $nextSenseId, SenseSet $senseSet ) { |
| 487 | if ( !is_int( $nextSenseId ) || $nextSenseId < 1 ) { |
| 488 | throw new InvalidArgumentException( '$nextSenseId should be a positive integer' ); |
| 489 | } |
| 490 | |
| 491 | if ( $nextSenseId <= $senseSet->count() ) { |
| 492 | throw new \LogicException( |
| 493 | sprintf( |
| 494 | '$nextSenseId must always be greater than the number of senses. ' . |
| 495 | '$nextSenseId = `%s`, number of senses = `%s`', |
| 496 | $nextSenseId, |
| 497 | count( $senseSet ) |
| 498 | ) |
| 499 | ); |
| 500 | } |
| 501 | |
| 502 | if ( $nextSenseId <= $senseSet->maxSenseIdNumber() ) { |
| 503 | throw new \LogicException( |
| 504 | sprintf( |
| 505 | '$nextSenseId must always be greater than the max ID number of provided senses. ' . |
| 506 | '$nextSenseId = `%s`, max ID number of provided senses = `%s`', |
| 507 | $nextSenseId, |
| 508 | $senseSet->maxSenseIdNumber() |
| 509 | ) |
| 510 | ); |
| 511 | } |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * Clears lemmas, language, lexical category, statements, forms, and senses of the lexeme. |
| 516 | * Note that this leaves the lexeme in an insufficiently initialized state. |
| 517 | */ |
| 518 | public function clear() { |
| 519 | $this->lemmas = new TermList(); |
| 520 | $this->statements = new StatementList(); |
| 521 | $this->forms = new FormSet( [] ); |
| 522 | $this->senses = new SenseSet( [] ); |
| 523 | $this->language = null; |
| 524 | $this->lexicalCategory = null; |
| 525 | } |
| 526 | |
| 527 | } |