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@ -7,8 +7,11 @@ use OCP\Files\Lock\ILockManager;
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use OCP\Files\Lock\ILockProvider;
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use OCP\Files\Lock\LockContext;
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use OCP\PreConditionNotMetException;
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use Psr\Container\ContainerExceptionInterface;
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use Psr\Container\NotFoundExceptionInterface;
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class LockManager implements ILockManager {
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private ?string $lockProviderClass = null;
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private ?ILockProvider $lockProvider = null;
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private ?LockContext $lockInScope = null;
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@ -20,12 +23,34 @@ class LockManager implements ILockManager {
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$this->lockProvider = $lockProvider;
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}
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public function registerLazyLockProvider(string $lockProviderClass): void {
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if ($this->lockProviderClass || $this->lockProvider) {
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throw new PreConditionNotMetException('There is already a registered lock provider');
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}
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$this->lockProviderClass = $lockProviderClass;
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}
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private function getLockProvider(): ?ILockProvider {
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if ($this->lockProvider) {
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return $this->lockProvider;
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}
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if ($this->lockProviderClass) {
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try {
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$this->lockProvider = \OCP\Server::get($this->lockProviderClass);
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} catch (NotFoundExceptionInterface|ContainerExceptionInterface $e) {
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}
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}
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return $this->lockProvider;
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}
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public function isLockProviderAvailable(): bool {
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return $this->lockProvider !== null;
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return $this->getLockProvider() !== null;
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}
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public function runInScope(LockContext $lock, callable $callback): void {
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if (!$this->lockProvider) {
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if (!$this->getLockProvider()) {
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$callback();
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return;
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}
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@ -47,26 +72,26 @@ class LockManager implements ILockManager {
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}
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public function getLocks(int $fileId): array {
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if (!$this->lockProvider) {
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if (!$this->getLockProvider()) {
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throw new PreConditionNotMetException('No lock provider available');
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}
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return $this->lockProvider->getLocks($fileId);
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return $this->getLockProvider()->getLocks($fileId);
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}
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public function lock(LockContext $lockInfo): ILock {
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if (!$this->lockProvider) {
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if (!$this->getLockProvider()) {
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throw new PreConditionNotMetException('No lock provider available');
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}
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return $this->lockProvider->lock($lockInfo);
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return $this->getLockProvider()->lock($lockInfo);
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}
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public function unlock(LockContext $lockInfo): void {
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if (!$this->lockProvider) {
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if (!$this->getLockProvider()) {
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throw new PreConditionNotMetException('No lock provider available');
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}
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$this->lockProvider->unlock($lockInfo);
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$this->getLockProvider()->unlock($lockInfo);
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}
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}
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