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<?php |
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declare(strict_types=1); |
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namespace StefanoTree\NestedSet\Adapter; |
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class NestedTransactionDecorator implements AdapterInterface |
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{ |
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private $counter = 0; |
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private $rollbackOnly = false; |
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private $transactionWasOpenOutside = false; |
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private $adapter; |
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public function __construct(AdapterInterface $adapter) |
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{ |
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$this->adapter = $adapter; |
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} |
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public function getAdapter(): AdapterInterface |
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{ |
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return $this->adapter; |
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} |
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public function beginTransaction(): void |
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{ |
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$a = $this->getAdapter(); |
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if ($a->canHandleNestedTransaction()) { |
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$a->beginTransaction(); |
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} else { |
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if (0 === $this->counter && $a->isInTransaction()) { |
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$this->transactionWasOpenOutside = true; |
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} |
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if (0 === $this->counter && false === $this->transactionWasOpenOutside) { |
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$a->beginTransaction(); |
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$this->counter = $this->counter + 1; |
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} else { |
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$this->counter = $this->counter + 1; |
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} |
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} |
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} |
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public function commitTransaction(): void |
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{ |
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$a = $this->getAdapter(); |
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if ($a->canHandleNestedTransaction()) { |
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$a->commitTransaction(); |
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} else { |
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if ($this->rollbackOnly) { |
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throw new \Exception('Cannot commit Transaction was marked as rollback only'); |
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} |
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if (1 === $this->counter) { |
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if (false === $this->transactionWasOpenOutside) { |
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$a->commitTransaction(); |
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} else { |
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$this->transactionWasOpenOutside = false; |
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} |
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$this->counter = 0; |
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} else { |
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$this->counter = $this->counter - 1; |
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} |
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} |
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} |
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public function rollbackTransaction(): void |
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{ |
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$a = $this->getAdapter(); |
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if ($a->canHandleNestedTransaction()) { |
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$a->rollbackTransaction(); |
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} else { |
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if (1 === $this->counter) { |
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if (false === $this->transactionWasOpenOutside) { |
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$a->rollbackTransaction(); |
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} |
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$this->counter = 0; |
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$this->rollbackOnly = false; |
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$this->transactionWasOpenOutside = false; |
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} else { |
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$this->counter = $this->counter - 1; |
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} |
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if ($this->counter > 0) { |
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$this->rollbackOnly = true; |
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} |
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} |
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} |
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public function isInTransaction(): bool |
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{ |
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return $this->getAdapter() |
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->isInTransaction(); |
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} |
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public function canHandleNestedTransaction(): bool |
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{ |
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return true; |
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} |
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public function quoteIdentifier(string $columnName): string |
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{ |
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return $this->getAdapter() |
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->quoteIdentifier($columnName); |
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} |
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public function executeInsertSQL(string $sql, array $params = array()) |
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{ |
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return $this->getAdapter() |
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->executeInsertSQL($sql, $params); |
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} |
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public function executeSQL(string $sql, array $params = array()): void |
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{ |
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$this->getAdapter() |
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->executeSQL($sql, $params); |
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} |
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public function executeSelectSQL(string $sql, array $params = array()): array |
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{ |
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return $this->getAdapter() |
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->executeSelectSQL($sql, $params); |
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} |
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} |
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bartko-s /
stefano-tree
