private $indexInstance = NULL;
/**
- * An instance of a CalculatableBlock class
+ * An instance of a Block class
*/
private $blockInstance = NULL;
}
/**
- * Setter for CalculatableBlock instance
+ * Setter for Block instance
*
- * @param $blockInstance An instance of an CalculatableBlock class
+ * @param $blockInstance An instance of an Block class
* @return void
*/
- protected final function setBlockInstance (CalculatableBlock $blockInstance) {
+ protected final function setBlockInstance (Block $blockInstance) {
$this->blockInstance = $blockInstance;
}
/**
- * Getter for CalculatableBlock instance
+ * Getter for Block instance
*
- * @return $blockInstance An instance of an CalculatableBlock class
+ * @return $blockInstance An instance of an Block class
*/
public final function getBlockInstance () {
return $this->blockInstance;
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!', __METHOD__, __LINE__));
}
- /**
- * Checks whether the file header is initialized
- *
- * @return $isInitialized Whether the file header is initialized
- */
- protected function isFileHeaderInitialized () {
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
-
- // Is the method there?
- assert(is_callable(array($this, 'readFileHeader')));
-
- // Default is not initialized
- $isInitialized = FALSE;
-
- // Is the file initialized?
- if ($this->isFileInitialized()) {
- // Some bytes has been written, so rewind to start of it.
- $rewindStatus = $this->getIteratorInstance()->rewind();
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] rewindStatus=%s', __METHOD__, __LINE__, $rewindStatus));
-
- // Is the rewind() call successfull?
- if ($rewindStatus != 1) {
- // Something bad happened
- self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] Could not rewind().', __METHOD__, __LINE__));
- } // END - if
-
- // Read file header
- $this->readFileHeader();
-
- // The above method does already check the header
- $isInitialized = TRUE;
- } // END - if
-
- // Return result
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] isInitialized=%d - EXIT!', __METHOD__, __LINE__, intval($isInitialized)));
- return $isInitialized;
- }
-
- /**
- * Checks whether the assigned file has been initialized
- *
- * @return $isInitialized Whether the file's size is zero
- */
- protected function isFileInitialized () {
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
-
- // size() must be callable
- assert(is_callable(array($this, 'size')));
-
- // Get it from iterator which holds the pointer instance. If FALSE is returned
- $fileSize = $this->size();
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] fileSize=%s', __METHOD__, __LINE__, $fileSize));
-
- /*
- * The returned file size should not be FALSE or NULL as this means
- * that the pointer class does not work correctly.
- */
- assert(is_int($fileSize));
-
- // Is more than 0 returned?
- $isInitialized = ($fileSize > 0);
-
- // Return result
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] isInitialized=%d - EXIT!', __METHOD__, __LINE__, intval($isInitialized)));
- return $isInitialized;
- }
-
- /**
- * Creates the assigned file
- *
- * @return void
- */
- protected function createFileHeader () {
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
-
- // The method flushFileHeader() must be callable
- assert(is_callable(array($this, 'flushFileHeader')));
-
- // The file's header should not be initialized here
- assert(!$this->isFileHeaderInitialized());
-
- // Simple flush file header which will create it.
- $this->flushFileHeader();
-
- // Rewind seek position (to beginning of file) and update/flush file header
- $this->rewineUpdateSeekPosition();
-
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!!', __METHOD__, __LINE__));
- }
-
/**
* Seeks to beginning of file, updates seek position in this object and
* flushes the header.
protected function rewineUpdateSeekPosition () {
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
+ // flushFileHeader must be callable
+ assert(is_callable(array($this, 'flushFileHeader')));
+
// Seek to beginning of file
$this->getIteratorInstance()->rewind();
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!!', __METHOD__, __LINE__));
}
- /**
- * Writes data at given position
- *
- * @param $seekPosition Seek position
- * @param $data Data to be written
- * @param $flushHeader Whether to flush the header (default: flush)
- * @return void
- */
- protected function writeData ($seekPosition, $data, $flushHeader = TRUE) {
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] seekPosition=%s,data()=%s - CALLED!', __METHOD__, __LINE__, $seekPosition, strlen($data)));
-
- // Write data at given position
- $this->getIteratorInstance()->writeAtPosition($seekPosition, $data);
-
- // Update seek position
- $this->updateSeekPosition();
-
- // Flush the header?
- if ($flushHeader === TRUE) {
- // Flush header
- $this->flushFileHeader();
-
- // Seek to old position
- $this->seekToOldPosition();
- } // END - if
-
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!', __METHOD__, __LINE__));
- }
-
- /**
- * Pre-allocates file (if enabled) with some space for later faster write access.
- *
- * @param $type Type of the file
- * @return void
- */
- protected function preAllocateFile ($type) {
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
-
- // caluclateMinimumBlockLength() must be callable
- assert(is_callable(array($this, 'caluclateMinimumBlockLength')));
-
- // Is it enabled?
- if ($this->getConfigInstance()->getConfigEntry($type . '_pre_allocate_enabled') != 'Y') {
- // Not enabled
- self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] Not pre-allocating file.', __METHOD__, __LINE__));
-
- // Don't continue here.
- return;
- } // END - if
-
- // Message to user
- self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] Pre-allocating file ...', __METHOD__, __LINE__));
-
- // Calculate minimum length for one entry
- $minLengthEntry = $this->caluclateMinimumBlockLength();
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] minLengthEntry=%s', __METHOD__, __LINE__, $minLengthEntry));
-
- // Calulcate seek position
- $seekPosition = $minLengthEntry * $this->getConfigInstance()->getConfigEntry($type . '_pre_allocate_count');
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] seekPosition=%s', __METHOD__, __LINE__, $seekPosition));
-
- // Now simply write a NUL there. This will pre-allocate the file.
- $this->writeData($seekPosition, chr(0));
-
- // Rewind seek position (to beginning of file) and update/flush file header
- $this->rewineUpdateSeekPosition();
-
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!', __METHOD__, __LINE__));
- }
-
/**
* Checks whether the block separator has been found
*
projects / core.git / blobdiff