/**
* @dataProvider exceptionProvider
*
* @param $exception
* @param $code
* @param $contains
*/
public function testExceptions($exception, $code, $contains)
{
$formed = PdoException::from($exception);
$this->assertInstanceOf('\\Packaged\\Dal\\Exceptions\\Connection\\PdoException', $formed);
$this->assertEquals($code, $formed->getCode());
if (is_array($contains)) {
foreach ($contains as $contain) {
$this->assertContains($contain, $formed->getMessage());
}
} else {
$this->assertContains($contains, $formed->getMessage());
}
$this->assertSame($exception, $formed->getPrevious());
}
/**
* @param callable $func
* @param callable|null $onError
* @param int|null $retryCount
*
* @return mixed
* @throws ConnectionException
* @throws PdoException
* @throws null
*/
protected function _performWithRetries(callable $func, callable $onError = null, $retryCount = null)
{
$this->_lastRetryCount = 0;
$this->_recycleConnectionIfRequired();
if ($retryCount === null) {
$retryCount = (int) $this->_config()->getItem('retries', 2);
}
/** @var null|PdoException $exception */
$exception = null;
$retries = $retryCount;
do {
try {
$this->_lastRetryCount++;
return $func();
} catch (\PDOException $sourceException) {
if ($onError) {
$onError();
}
$exception = PdoException::from($sourceException);
if ($retries > 0 && $this->_isRecoverableException($exception)) {
if ($this->_shouldReconnectAfterException($exception)) {
if ($this->_inTransaction) {
error_log('PdoConnection error during transaction: ' . '(' . $exception->getCode() . ') ' . $exception->getMessage());
throw $exception;
}
$this->disconnect()->connect();
} else {
if ($this->_shouldDelayAfterException($exception)) {
// Sleep for between 0.1 and 3 milliseconds
usleep(mt_rand(100, 3000));
}
}
} else {
error_log('PdoConnection Error: (' . $exception->getCode() . ') ' . $exception->getMessage());
throw $exception;
}
}
$retries--;
} while ($retries > 0);
if ($exception) {
throw $exception;
} else {
throw new PdoException('An unknown error occurred performing a PDO operation. ' . 'The operation failed after ' . $retryCount . ' retries');
}
}
