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1 | <?php |
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2 | |||
3 | /** |
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4 | * Deferrable Update for closure/callback updates that should use auto-commit mode |
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5 | * @since 1.28 |
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6 | */ |
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7 | class AutoCommitUpdate implements DeferrableUpdate, DeferrableCallback { |
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8 | /** @var IDatabase */ |
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9 | private $dbw; |
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10 | /** @var string */ |
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11 | private $fname; |
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12 | /** @var callable|null */ |
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13 | private $callback; |
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14 | |||
15 | /** |
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16 | * @param IDatabase $dbw |
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17 | * @param string $fname Caller name (usually __METHOD__) |
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18 | * @param callable $callback Callback that takes (IDatabase, method name string) |
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19 | */ |
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20 | View Code Duplication | public function __construct( IDatabase $dbw, $fname, callable $callback ) { |
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21 | $this->dbw = $dbw; |
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22 | $this->fname = $fname; |
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23 | $this->callback = $callback; |
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24 | |||
25 | if ( $this->dbw->trxLevel() ) { |
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26 | $this->dbw->onTransactionResolution( [ $this, 'cancelOnRollback' ], $fname ); |
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27 | } |
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28 | } |
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29 | |||
30 | public function doUpdate() { |
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31 | if ( !$this->callback ) { |
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32 | return; |
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33 | } |
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34 | |||
35 | $autoTrx = $this->dbw->getFlag( DBO_TRX ); |
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36 | $this->dbw->clearFlag( DBO_TRX ); |
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37 | try { |
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38 | /** @var Exception $e */ |
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39 | $e = null; |
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40 | call_user_func_array( $this->callback, [ $this->dbw, $this->fname ] ); |
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41 | } catch ( Exception $e ) { |
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42 | } |
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43 | if ( $autoTrx ) { |
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44 | $this->dbw->setFlag( DBO_TRX ); |
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45 | } |
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46 | if ( $e ) { |
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47 | throw $e; |
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48 | } |
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49 | } |
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50 | |||
51 | public function cancelOnRollback( $trigger ) { |
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52 | if ( $trigger === IDatabase::TRIGGER_ROLLBACK ) { |
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53 | $this->callback = null; |
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54 | } |
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55 | } |
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56 | |||
57 | public function getOrigin() { |
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58 | return $this->fname; |
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59 | } |
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60 | } |
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61 |