namespace Org\Mxchange\CoreFramework\Filesystem\Index;
// Import framework stuff
+use Org\Mxchange\CoreFramework\Bootstrap\FrameworkBootstrap;
use Org\Mxchange\CoreFramework\Filesystem\File\BaseBinaryFile;
use Org\Mxchange\CoreFramework\Filesystem\Index\IndexableFile;
+use Org\Mxchange\CoreFramework\Generic\FrameworkInterface;
use Org\Mxchange\CoreFramework\Generic\UnsupportedOperationException;
use Org\Mxchange\CoreFramework\Index\Indexable;
+use Org\Mxchange\CoreFramework\Utils\Crypto\CryptoUtils;
// Import SPL stuff
+use \BadMethodCallException;
+use \InvalidArgumentException;
use \SplFileInfo;
/**
*
* @author Roland Haeder <webmaster@ship-simu.org>
* @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2020 Core Developer Team
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2023 Core Developer Team
* @license GNU GPL 3.0 or any newer version
* @link http://www.ship-simu.org
*
*
* @return void
*/
- protected function __construct () {
+ private function __construct () {
// Call parent constructor
parent::__construct(__CLASS__);
}
// Init this abstract file
$indexFileInstance->initFile($indexInfoInstance);
+ // Init counters and gaps array
+ $indexFileInstance->initCountersGapsArray();
+
// Return the prepared instance
/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: indexFileInstance=%s - EXIT!', $indexFileInstance->__toString()));
return $indexFileInstance;
}
+ /**
+ * Flushes the file header
+ *
+ * @return void
+ * @throws BadMethodCallException If this->indexInstance is not properly set
+ */
+ public function flushFileHeader () {
+ // Validate call
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: CALLED!');
+ if (!($this->getIndexInstance() instanceof Indexable)) {
+ // Index instance not set
+ throw new BadMethodCallException('this->indexInstance[] is not properly set.');
+ }
+
+ // Call block instance
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: Invoking this->indexInstance->flushFileHeader() ...');
+ $this->getIndexInstance()->flushFileHeader();
+
+ // Trace message
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: EXIT!');
+ }
+
+ /**
+ * Pre-allocates file (if enabled) with some space for later faster write access.
+ *
+ * @param $type Type of the file
+ * @return void
+ * @throws InvalidArgumentException If a parameter is empty
+ * @throws BadMethodCallException If this->indexInstance is not properly set
+ */
+ public function preAllocateFile (string $type) {
+ // Is it enabled?
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: type=%s - CALLED!', $type));
+ if (empty($type)) {
+ // Empty type
+ throw new InvalidArgumentException('Parameter "type" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+ } elseif (!($this->getIndexInstance() instanceof Indexable)) {
+ // Index instance not set
+ throw new BadMethodCallException('this->indexInstance[] is not properly set.');
+ }
+
+ // Message to user
+ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: Pre-allocating file ...');
+
+ // Calculate minimum block length
+ $minimumBlockLength = $this->getIndexInstance()->calculateMinimumBlockLength();
+
+ // Call protected method
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: Invoking this->preAllocateFileByTypeLength(%s,%d) ...', $type, $minimumBlockLength));
+ $this->preAllocateFileByTypeLength($type, $minimumBlockLength);
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: EXIT!');
+ }
+
+ /**
+ * Checks wether the current entry is valid (not at the end of the file).
+ * This method will return true if an emptied (nulled) entry has been found.
+ *
+ * @return $isValid Whether the next entry is valid
+ * @throws UnexpectedValueException If some value is not expected
+ * @throws BadMethodCallException If this->indexInstance is not properly set
+ */
+ public function isValid () {
+ // Validate call
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: CALLED!');
+ if (!($this->getIndexInstance() instanceof Indexable)) {
+ // Index instance not set
+ throw new BadMethodCallException('this->indexInstance[] is not properly set.');
+ }
+
+ // Get length from index
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: Invoking this->indexInstance->calculateMinimumBlockLength() ...');
+ $length = $this->getIndexInstance()->calculateMinimumBlockLength();
+
+ // Call protected method
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: Invoking this->isValidByLength(%d) ...', $length));
+ $isValid = $this->isValidByLength($length);
+
+ // Return result
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: isValid=%d - EXIT!', intval($isValid)));
+ return $isValid;
+ }
+
+ /**
+ * Reads next "block" of bytes into $currentBlock field. THis method loads
+ * the whole file into memory when the file is just freshly initialized
+ * (only zeros in it).
+ *
+ * @return void
+ */
+ protected function readNextBlock () {
+ // First calculate minimum block length
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: this->seekPosition=%d - CALLED!', $this->getSeekPosition()));
+ $length = $this->getIndexInstance()->calculateMinimumBlockLength();
+
+ // Call protected method
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: Invoking parent::readNextBlockByLength(%d) ...', $length));
+ parent::readNextBlockByLength($length);
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: EXIT!');
+ }
+
+ /**
+ * Reads the file header
+ *
+ * @return void
+ */
+ public function readFileHeader () {
+ // Call index class' method
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: Invoking this->indexInstance->readIndexHeader() - CALLED!');
+ $this->getIndexInstance()->readIndexHeader();
+
+ // Trace message
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: EXIT!');
+ }
+
/**
* Writes given value to the file and returns a hash and gap position for it
*
* @param $value Value to be added to the stack
* @return $data Hash and gap position
* @throws InvalidArgumentException If a parameter is not valid
+ * @throws BadMethodCallException If this->indexInstance is not properly set
*/
public function writeValueToFile (string $stackName, $value) {
// Validate parameter
/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: stackName=%s,value[]=%s - CALLED!', $stackName, gettype($value)));
if (empty($stackName)) {
// Throw IAE
- throw new InvalidArgumentException('Parameter "stackName" is empty');
+ throw new InvalidArgumentException('Parameter "stackName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
} elseif (is_object($value) || is_resource($value)) {
// Not wanted here
throw new InvalidArgumentException(sprintf('value[]=%s is not stackable in files', gettype($value)));
+ } elseif (!($this->getIndexInstance() instanceof Indexable)) {
+ // Index instance not set
+ throw new BadMethodCallException('this->indexInstance[] is not properly set.');
}
// Encode/convert the value into a "binary format"
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: Invoking StringUtils::encodeData(value[]=%s) ...', gettype($value)));
$encoded = StringUtils::encodeData($value);
// Get a strong hash for the "encoded" data
- /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: encoded=%s', $encoded));
- $hash = self::hash($encoded);
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: encoded(%d)=%s', strlen($encoded), $encoded));
+ $hash = CryptoUtils::hash($encoded);
// Then write it to the next free gap
/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('INDEX-FILE: hash=%s', $hash));
*/
public function writeDataToFreeGap (string $stackName, string $hash, string $encoded) {
self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('INDEX-FILE: stackName=' . $stackName . ',hash=' . $hash . ',encoded()=' . strlen($encoded));
- throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+ throw new UnsupportedOperationException([$this, __FUNCTION__], FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
}
}