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<?php
/** @license MIT
* Copyright 2017 J. King, Dustin Wilson et al.
* See LICENSE and AUTHORS files for details */
declare(strict_types=1);
namespace JKingWeb\Arsse\Db;
class Transaction {
protected $index;
protected $pending = false;
protected $drv;
public function __construct(Driver $drv, bool $lock = false) {
$this->index = $drv->savepointCreate($lock);
$this->drv = $drv;
$this->pending = true;
}
public function __destruct() {
if ($this->pending) {
try {
$this->drv->savepointUndo($this->index);
} catch (\Throwable $e) {
// do nothing
}
}
}
public function commit(): bool {
$out = $this->drv->savepointRelease($this->index);
$this->pending = false;
return $out;
}
public function rollback(): bool {
$out = $this->drv->savepointUndo($this->index);
$this->pending = false;
return $out;
}
public function getIndex(): int {
return $this->index;
}
public function isPending(): bool {
return $this->pending;
}
}