X-Git-Url: https://git.mxchange.org/?p=core.git;a=blobdiff_plain;f=framework%2Fmain%2Fclasses%2Findex%2Ffile_stack%2Fclass_FileStackIndex.php;fp=framework%2Fmain%2Fclasses%2Findex%2Ffile_stack%2Fclass_FileStackIndex.php;h=efb563cc2da5cfe9032ec99f1496c91ce24a989a;hp=2a0efa3a944a309f59e376f152b9ba6f221ef81a;hb=728805fb9d82980b98f0f301410c1c500c7aac7d;hpb=cc783d97086d21b6a675b8b5be801ca1af426a42

diff --git a/framework/main/classes/index/file_stack/class_FileStackIndex.php b/framework/main/classes/index/file_stack/class_FileStackIndex.php
index 2a0efa3a..efb563cc 100644
--- a/framework/main/classes/index/file_stack/class_FileStackIndex.php
+++ b/framework/main/classes/index/file_stack/class_FileStackIndex.php
@@ -12,6 +12,7 @@ use Org\Mxchange\CoreFramework\Stack\Index\IndexableStack;
 // Import SPL stuff
 use \InvalidArgumentException;
 use \SplFileInfo;
+use \UnexpectedValueException;
 
 /**
  * A FileStack index class
@@ -71,6 +72,7 @@ class FileStackIndex extends BaseIndex implements IndexableStack, Registerable {
 	 * @param	$groupId	Name of stack to add hash for
 	 * @param	$data		Hash and gap position to be added to the index
 	 * @return	void
+	 * @throws	UnexpectedValueException	If an invalid gap position is being returned
 	 */
 	public function addHashToIndex (string $groupId, array $data) {
 		// Raw data been written to the file
@@ -85,17 +87,19 @@ class FileStackIndex extends BaseIndex implements IndexableStack, Registerable {
 			$data[StackableFile::ARRAY_NAME_DATA_LENGTH]
 		);
 
-		// Debug message
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('FILE-STACK-INDEX: groupId=%s,hash=%s,rawData()=%d', $groupId, $data[StackableFile::ARRAY_NAME_HASH], strlen($rawData)));
-
 		// Search for next free gap
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('FILE-STACK-INDEX: groupId=%s,hash=%s,rawData()=%d', $groupId, $data[StackableFile::ARRAY_NAME_HASH], strlen($rawData)));
 		$gapPosition = $this->getIteratorInstance()->searchNextGap(strlen($rawData));
 
-		// Gap position cannot be smaller than header length + 1
-		assert($gapPosition > $this->getIteratorInstance()->getHeaderSize());
+		// Gap position cannot be smaller or equal than header length
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('FILE-STACK-INDEX: groupId=%s,hash=%s,gapPosition=%s', $groupId, $data[StackableFile::ARRAY_NAME_HASH], $gapPosition));
+		if ($gapPosition <= ($this->getIteratorInstance()->getHeaderSize() + 1)) {
+			// Not valid gap position returned
+			throw new UnexpectedValueException(sprintf('gapPosition[%s]=%d is smaller or equal headerSize+1=%d', gettype($gapPosition), $gapPosition, ($this->getIteratorInstance()->getHeaderSize() + 1)));
+		}
 
 		// Then write the data at that gap
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('FILE-STACK-INDEX: groupId=%s,hash=%s,gapPosition=%s', $groupId, $data[StackableFile::ARRAY_NAME_HASH], $gapPosition));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('FILE-STACK-INDEX: Calling this->iteratorInstance->writeData(%d,%s) ...', $gapPosition, $rawData));
 		$this->getIteratorInstance()->writeData($gapPosition, $rawData);
 
 		// Trace message