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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the TYPO3 CMS project. |
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* |
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* It is free software; you can redistribute it and/or modify it under |
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* the terms of the GNU General Public License, either version 2 |
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* of the License, or any later version. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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namespace TYPO3\CMS\Extbase\DomainObject; |
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use TYPO3\CMS\Extbase\Persistence\Generic\Exception\TooDirtyException; |
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use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy; |
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use TYPO3\CMS\Extbase\Persistence\ObjectMonitoringInterface; |
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/** |
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* A generic Domain Object. |
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* |
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* All Model domain objects need to inherit from either AbstractEntity or AbstractValueObject, as this provides important framework information. |
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* @internal only to be used within Extbase, not part of TYPO3 Core API. |
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*/ |
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abstract class AbstractDomainObject implements DomainObjectInterface, ObjectMonitoringInterface |
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{ |
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/** |
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* @var int The uid of the record. The uid is only unique in the context of the database table. |
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*/ |
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protected $uid; |
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/** |
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* @var int The uid of the localized record. Holds the uid of the record in default language (the translationOrigin). |
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*/ |
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protected $_localizedUid; |
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/** |
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* @var int The uid of the language of the object. This is the uid of the language record in the table sys_language. |
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*/ |
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protected $_languageUid; |
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/** |
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* @var int The uid of the versioned record. |
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*/ |
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protected $_versionedUid; |
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/** |
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* @var int The id of the page the record is "stored". |
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*/ |
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protected $pid; |
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/** |
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* TRUE if the object is a clone |
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* |
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* @var bool |
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*/ |
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private $_isClone = false; |
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/** |
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* @var array An array holding the clean property values. Set right after reconstitution of the object |
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*/ |
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private $_cleanProperties = []; |
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/** |
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* Getter for uid. |
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* |
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* @return int|null The uid or NULL if none set yet. |
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*/ |
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public function getUid(): ?int |
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{ |
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if ($this->uid !== null) { |
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return (int)$this->uid; |
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} |
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return null; |
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} |
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/** |
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* Setter for the pid. |
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* |
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* @param int $pid |
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*/ |
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public function setPid(int $pid): void |
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{ |
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$this->pid = $pid; |
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} |
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/** |
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* Getter for the pid. |
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* |
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* @return int|null The pid or NULL if none set yet. |
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*/ |
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public function getPid(): ?int |
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{ |
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if ($this->pid === null) { |
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return null; |
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} |
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return (int)$this->pid; |
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} |
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/** |
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* Reconstitutes a property. Only for internal use. |
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* |
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* @param string $propertyName |
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* @param mixed $propertyValue |
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* @return bool |
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* @internal |
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*/ |
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public function _setProperty(string $propertyName, $propertyValue) |
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{ |
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if ($this->_hasProperty($propertyName)) { |
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$this->{$propertyName} = $propertyValue; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Returns the property value of the given property name. Only for internal use. |
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* |
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* @param string $propertyName |
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* @return mixed The propertyValue |
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* @internal |
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*/ |
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public function _getProperty(string $propertyName) |
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{ |
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return $this->{$propertyName}; |
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} |
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/** |
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* Returns a hash map of property names and property values. Only for internal use. |
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* |
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* @return array The properties |
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* @internal |
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*/ |
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public function _getProperties(): array |
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{ |
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$properties = get_object_vars($this); |
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foreach ($properties as $propertyName => $propertyValue) { |
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if ($propertyName[0] === '_') { |
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unset($properties[$propertyName]); |
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} |
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} |
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return $properties; |
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} |
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/** |
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* Returns the property value of the given property name. Only for internal use. |
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* |
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* @param string $propertyName |
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* @return bool TRUE bool true if the property exists, FALSE if it doesn't exist or NULL in case of an error. |
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* @internal |
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*/ |
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public function _hasProperty($propertyName) |
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{ |
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return property_exists($this, $propertyName); |
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} |
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/** |
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* Returns TRUE if the object is new (the uid was not set, yet). Only for internal use |
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* |
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* @return bool |
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* @internal |
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*/ |
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public function _isNew(): bool |
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{ |
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return $this->uid === null; |
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} |
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/** |
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* Register an object's clean state, e.g. after it has been reconstituted |
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* from the database. |
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* |
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* @param string $propertyName The name of the property to be memorized. If omitted all persistable properties are memorized. |
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*/ |
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public function _memorizeCleanState($propertyName = null) |
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{ |
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if ($propertyName !== null) { |
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$this->_memorizePropertyCleanState($propertyName); |
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} else { |
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$this->_cleanProperties = []; |
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$properties = get_object_vars($this); |
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foreach ($properties as $propertyName => $propertyValue) { |
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if ($propertyName[0] === '_') { |
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continue; |
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} |
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// Do not memorize "internal" properties |
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$this->_memorizePropertyCleanState($propertyName); |
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} |
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} |
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} |
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/** |
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* Register a properties's clean state, e.g. after it has been reconstituted |
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* from the database. |
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* |
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* @param string $propertyName The name of the property to be memorized. If omitted all persistable properties are memorized. |
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*/ |
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public function _memorizePropertyCleanState($propertyName) |
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{ |
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$propertyValue = $this->{$propertyName}; |
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if (is_object($propertyValue)) { |
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$this->_cleanProperties[$propertyName] = clone $propertyValue; |
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// We need to make sure the clone and the original object |
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// are identical when compared with == (see _isDirty()). |
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// After the cloning, the Domain Object will have the property |
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// "isClone" set to TRUE, so we manually have to set it to FALSE |
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// again. Possible fix: Somehow get rid of the "isClone" property, |
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// which is currently needed in Fluid. |
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if ($propertyValue instanceof \TYPO3\CMS\Extbase\DomainObject\AbstractDomainObject) { |
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$this->_cleanProperties[$propertyName]->_setClone(false); |
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} |
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} else { |
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$this->_cleanProperties[$propertyName] = $propertyValue; |
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} |
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} |
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/** |
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* Returns a hash map of clean properties and $values. |
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* |
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* @return array |
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*/ |
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public function _getCleanProperties() |
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{ |
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return $this->_cleanProperties; |
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} |
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/** |
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* Returns the clean value of the given property. The returned value will be NULL if the clean state was not memorized before, or |
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* if the clean value is NULL. |
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* |
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* @param string $propertyName The name of the property to be memorized. |
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* @return mixed The clean property value or NULL |
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* @internal |
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*/ |
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public function _getCleanProperty(string $propertyName) |
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{ |
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return $this->_cleanProperties[$propertyName] ?? null; |
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} |
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/** |
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* Returns TRUE if the properties were modified after reconstitution |
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* |
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* @param string $propertyName An optional name of a property to be checked if its value is dirty |
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* @throws \TYPO3\CMS\Extbase\Persistence\Generic\Exception\TooDirtyException |
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* @return bool |
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*/ |
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public function _isDirty($propertyName = null) |
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{ |
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if ($this->uid !== null && $this->_getCleanProperty('uid') !== null && $this->uid != $this->_getCleanProperty('uid')) { |
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throw new TooDirtyException('The uid "' . $this->uid . '" has been modified, that is simply too much.', 1222871239); |
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} |
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if ($propertyName === null) { |
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foreach ($this->_getCleanProperties() as $propertyName => $cleanPropertyValue) { |
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if ($this->isPropertyDirty($cleanPropertyValue, $this->{$propertyName}) === true) { |
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return true; |
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} |
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} |
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} else { |
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if ($this->isPropertyDirty($this->_getCleanProperty($propertyName), $this->{$propertyName}) === true) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Checks the $value against the $cleanState. |
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* |
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* @param mixed $previousValue |
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* @param mixed $currentValue |
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* @return bool |
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*/ |
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protected function isPropertyDirty($previousValue, $currentValue) |
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{ |
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// In case it is an object and it implements the ObjectMonitoringInterface, we call _isDirty() instead of a simple comparison of objects. |
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// We do this, because if the object itself contains a lazy loaded property, the comparison of the objects might fail even if the object didn't change |
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if (is_object($currentValue)) { |
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$currentTypeString = null; |
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if ($currentValue instanceof LazyLoadingProxy) { |
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$currentTypeString = $currentValue->_getTypeAndUidString(); |
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} elseif ($currentValue instanceof DomainObjectInterface) { |
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$currentTypeString = get_class($currentValue) . ':' . $currentValue->getUid(); |
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} |
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if ($currentTypeString !== null) { |
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$previousTypeString = null; |
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if ($previousValue instanceof LazyLoadingProxy) { |
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$previousTypeString = $previousValue->_getTypeAndUidString(); |
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} elseif ($previousValue instanceof DomainObjectInterface) { |
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$previousTypeString = get_class($previousValue) . ':' . $previousValue->getUid(); |
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} |
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$result = $currentTypeString !== $previousTypeString; |
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} elseif ($currentValue instanceof ObjectMonitoringInterface) { |
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$result = !is_object($previousValue) || $currentValue->_isDirty() || get_class($previousValue) !== get_class($currentValue); |
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} else { |
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// For all other objects we do only a simple comparison (!=) as we want cloned objects to return the same values. |
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$result = $previousValue != $currentValue; |
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} |
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} else { |
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$result = $previousValue !== $currentValue; |
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} |
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return $result; |
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} |
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/** |
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* Returns TRUE if the object has been cloned, FALSE otherwise. |
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* |
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* @return bool TRUE if the object has been cloned |
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*/ |
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public function _isClone() |
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{ |
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return $this->_isClone; |
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} |
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/** |
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* Setter whether this Domain Object is a clone of another one. |
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* NEVER SET THIS PROPERTY DIRECTLY. We currently need it to make the |
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* _isDirty check inside AbstractEntity work, but it is just a work- |
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* around right now. |
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* |
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* @param bool $clone |
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*/ |
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public function _setClone($clone) |
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{ |
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$this->_isClone = (bool)$clone; |
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} |
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/** |
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* Clone method. Sets the _isClone property. |
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*/ |
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public function __clone() |
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{ |
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$this->_isClone = true; |
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} |
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/** |
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* Returns the class name and the uid of the object as string |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return static::class . ':' . (string)$this->uid; |
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} |
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} |
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