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<?php |
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/* |
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* This file is part of the xAPI package. |
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* |
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* (c) Christian Flothmann <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Xabbuh\XApi\Model; |
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/** |
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* An {@link Actor Actor's} outcome related to the {@link Statement} in which |
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* it is included. |
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* |
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* @author Christian Flothmann <[email protected]> |
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*/ |
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final class Result |
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{ |
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private $score; |
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private $success; |
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private $completion; |
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private $response; |
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private $duration; |
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private $extensions; |
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public function __construct(Score $score = null, bool $success = null, bool $completion = null, string $response = null, string $duration = null, Extensions $extensions = null) |
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{ |
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$this->score = $score; |
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$this->success = $success; |
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$this->completion = $completion; |
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$this->response = $response; |
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$this->duration = $duration; |
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$this->extensions = $extensions; |
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} |
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public function withScore(Score $score = null): self |
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{ |
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$result = clone $this; |
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$result->score = $score; |
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return $result; |
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} |
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public function withSuccess(bool $success = null): self |
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{ |
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$result = clone $this; |
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$result->success = $success; |
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return $result; |
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} |
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public function withCompletion(bool $completion = null): self |
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{ |
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$result = clone $this; |
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$result->completion = $completion; |
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return $result; |
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} |
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public function withResponse(string $response = null): self |
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{ |
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$result = clone $this; |
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$result->response = $response; |
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return $result; |
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} |
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public function withDuration(string $duration = null): self |
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{ |
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$result = clone $this; |
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$result->duration = $duration; |
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return $result; |
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} |
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public function withExtensions(Extensions $extensions = null): self |
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{ |
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$result = clone $this; |
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$result->extensions = $extensions; |
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return $result; |
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} |
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/** |
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* Returns the user's score. |
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*/ |
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public function getScore(): ?Score |
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{ |
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return $this->score; |
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} |
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/** |
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* Returns whether or not the user finished a task successfully. |
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*/ |
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public function getSuccess(): ?bool |
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{ |
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return $this->success; |
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} |
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/** |
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* Returns the completion status. |
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*/ |
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public function getCompletion(): ?bool |
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{ |
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return $this->completion; |
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} |
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/** |
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* Returns the response. |
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*/ |
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public function getResponse(): ?string |
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{ |
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return $this->response; |
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} |
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/** |
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* Returns the period of time over which the Activity was performed. |
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*/ |
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public function getDuration(): ?string |
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{ |
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return $this->duration; |
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} |
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/** |
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* Returns the extensions associated with the result. |
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*/ |
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public function getExtensions(): ?Extensions |
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{ |
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return $this->extensions; |
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} |
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/** |
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* Checks if another result is equal. |
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* |
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* Two results are equal if and only if all of their properties are equal. |
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*/ |
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public function equals(Result $result): bool |
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{ |
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if (null !== $this->score xor null !== $result->score) { |
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return false; |
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} |
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if (null !== $this->score && !$this->score->equals($result->score)) { |
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return false; |
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} |
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if ($this->success !== $result->success) { |
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return false; |
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} |
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if ($this->completion !== $result->completion) { |
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return false; |
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} |
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if ($this->response !== $result->response) { |
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return false; |
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} |
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if ($this->duration !== $result->duration) { |
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return false; |
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} |
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if (null !== $this->extensions xor null !== $result->extensions) { |
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return false; |
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} |
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if (null !== $this->extensions && null !== $result->extensions && !$this->extensions->equals($result->extensions)) { |
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return false; |
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} |
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return true; |
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} |
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} |
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Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: