]> git.mxchange.org Git - core.git/blobdiff - framework/main/classes/stacker/file/class_BaseFileStack.php
Continued:
[core.git] / framework / main / classes / stacker / file / class_BaseFileStack.php
index c82e62c30c6f6999c75f79a328b9d51622793536..303caca77c7666d0f91e05b18640b50d3c199cc7 100644 (file)
@@ -6,11 +6,15 @@ namespace Org\Mxchange\CoreFramework\Stack\File;
 use Org\Mxchange\CoreFramework\Factory\Stack\File\FileStackIndexFactory;
 use Org\Mxchange\CoreFramework\Factory\Object\ObjectFactory;
 use Org\Mxchange\CoreFramework\Filesystem\File\BaseBinaryFile;
+use Org\Mxchange\CoreFramework\Filesystem\File\BinaryFile;
+use Org\Mxchange\CoreFramework\Generic\FrameworkInterface;
 use Org\Mxchange\CoreFramework\Generic\UnsupportedOperationException;
+use Org\Mxchange\CoreFramework\Middleware\Debug\DebugMiddleware;
 use Org\Mxchange\CoreFramework\Stack\BaseStacker;
 use Org\Mxchange\CoreFramework\Traits\Index\IndexableTrait;
 use Org\Mxchange\CoreFramework\Traits\Iterator\IteratorTrait;
-use Org\Mxchange\CoreFramework\Utils\String\StringUtils;
+use Org\Mxchange\CoreFramework\Utils\Arrays\ArrayUtils;
+use Org\Mxchange\CoreFramework\Utils\Strings\StringUtils;
 
 // Import SPL stuff
 use \InvalidArgumentException;
@@ -22,7 +26,7 @@ use \UnexpectedValueException;
  *
  * @author             Roland Haeder <webmaster@ship-simu.org>
  * @version            0.0.0
- * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2021 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
  *
@@ -91,7 +95,7 @@ abstract class BaseFileStack extends BaseStacker {
                                strlen($data),
                                $data,
                                $this->getIteratorInstance()->getBinaryFileInstance()->getHeaderSize()
-                       ));
+                       ), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
                } elseif (empty(trim($data, chr(0)))) {
                        // Empty header, file is freshly pre-allocated
                        /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Empty file header detected - EXIT!');
@@ -99,20 +103,20 @@ abstract class BaseFileStack extends BaseStacker {
                }
 
                // Last character must be the separator
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: data(-1)=%s', dechex(ord(substr($data, -1, 1)))));
-               if (substr($data, -1, 1) !== chr(BaseBinaryFile::SEPARATOR_HEADER_ENTRIES)) {
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: data(-1)=0x%s', dechex(ord(substr($data, -1, 1)))));
+               if (substr($data, -1, 1) !== chr(BinaryFile::SEPARATOR_HEADER_ENTRIES)) {
                        // Not valid separator
-                       throw new UnexpectedValueException(sprintf('data=%s does not have separator=%s at the end.',
+                       throw new UnexpectedValueException(sprintf('data=%s does not have separator=0x%s at the end.',
                                $data,
-                               BaseBinaryFile::SEPARATOR_HEADER_ENTRIES
-                       ));
+                               dechex(BinaryFile::SEPARATOR_HEADER_ENTRIES)
+                       ), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
                }
 
                // Okay, then remove it
                $data = substr($data, 0, -1);
 
                // And update seek position
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Calling this->iteratorInstance->updateSeekPosition() ...');
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Invoking this->iteratorInstance->binaryFileInstance->updateSeekPosition() ...');
                $this->getIteratorInstance()->getBinaryFileInstance()->updateSeekPosition();
 
                /*
@@ -122,41 +126,50 @@ abstract class BaseFileStack extends BaseStacker {
                 * 1 => total entries
                 * 2 => current seek position
                 */
-               $header = explode(chr(BaseBinaryFile::SEPARATOR_HEADER_DATA), $data);
+               $header = explode(chr(BinaryFile::SEPARATOR_HEADER_DATA), $data);
+
+               // Map numeric indexes to associative indexes
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: Invoking ArrayUtils::mapNumericKeysToAssociative(%d) ...', count($header)));
+               $header = ArrayUtils::mapNumericKeysToAssociative($header, [
+                       BinaryFile::HEADER_NAME_MAGIC,
+                       BinaryFile::HEADER_NAME_TOTAL_ENTRIES,
+                       BinaryFile::HEADER_NAME_SEEK_POSITION,
+               ]);
 
                // Check if the array has only 3 elements
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: header(%d)=%s', count($header), print_r($header, true)));
-               if (count($header) != 3) {
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: HEADER_STACK_ELEMENT_COUNT=%d,header()=%d', BinaryFile::HEADER_STACK_ELEMENT_COUNT, count($header)));
+               //* PRINTR-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: HEADER_STACK_ELEMENT_COUNT=%d,header(%d)=%s', BinaryFile::HEADER_STACK_ELEMENT_COUNT, count($header), print_r($header, true)));
+               if (count($header) != BinaryFile::HEADER_STACK_ELEMENT_COUNT) {
                        // Header array count is not expected
-                       throw new UnexpectedValueException(sprintf('data=%s has %d elements, expected 3',
+                       throw new UnexpectedValueException(sprintf('data=%s has %d elements, but expected is %d',
                                $data,
-                               count($header)
-                       ));
-               } elseif ($header[0] != StackableFile::STACK_MAGIC) {
+                               count($header),
+                               BinaryFile::HEADER_STACK_ELEMENT_COUNT
+                       ), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
+               } elseif ($header[BinaryFile::HEADER_NAME_MAGIC] != StackableFile::STACK_MAGIC) {
                        // Bad magic
                        throw new InvalidMagicException($data, self::EXCEPTION_BAD_MAGIC);
-               }
-
-               // Check length of count and seek position
-               if (strlen($header[1]) != BaseBinaryFile::LENGTH_COUNT) {
+               } elseif (strlen($header[BinaryFile::HEADER_NAME_TOTAL_ENTRIES]) != BinaryFile::LENGTH_COUNT) {
                        // Count length not valid
-                       throw new UnexpectedValueException(sprintf('header[1](%d)=%s is not expected %d length',
-                               strlen($header[1]),
-                               $header[1],
-                               BaseBinaryFile::LENGTH_COUNT
-                       ));
-               } elseif (strlen($header[1]) != BaseBinaryFile::LENGTH_POSITION) {
+                       throw new UnexpectedValueException(sprintf('header[%s](%d)=%s is not expected %d length',
+                               BinaryFile::HEADER_NAME_TOTAL_ENTRIES,
+                               strlen($header[BinaryFile::HEADER_NAME_TOTAL_ENTRIES]),
+                               $header[BinaryFile::HEADER_NAME_TOTAL_ENTRIES],
+                               BinaryFile::LENGTH_COUNT
+                       ), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
+               } elseif (strlen($header[BinaryFile::HEADER_NAME_SEEK_POSITION]) != BinaryFile::LENGTH_POSITION) {
                        // Position length not valid
-                       throw new UnexpectedValueException(sprintf('header[2](%d)=%s is not expected %d length',
-                               strlen($header[1]),
-                               $header[1],
-                               BaseBinaryFile::LENGTH_POSITION
-                       ));
+                       throw new UnexpectedValueException(sprintf('header[%s](%d)=%s is not expected %d length',
+                               BinaryFile::HEADER_NAME_SEEK_POSITION,
+                               strlen($header[BinaryFile::HEADER_NAME_SEEK_POSITION]),
+                               $header[BinaryFile::HEADER_NAME_SEEK_POSITION],
+                               BinaryFile::LENGTH_POSITION
+                       ), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
                }
 
                // Decode count and seek position
-               $header[1] = hex2bin($header[1]);
-               $header[2] = hex2bin($header[2]);
+               $header[BinaryFile::HEADER_NAME_TOTAL_ENTRIES] = hex2bin($header[BinaryFile::HEADER_NAME_TOTAL_ENTRIES]);
+               $header[BinaryFile::HEADER_NAME_SEEK_POSITION] = hex2bin($header[BinaryFile::HEADER_NAME_SEEK_POSITION]);
 
                // Set header here
                $this->getIteratorInstance()->getBinaryFileInstance()->setHeader($header);
@@ -178,23 +191,23 @@ abstract class BaseFileStack extends BaseStacker {
                        StackableFile::STACK_MAGIC,
 
                        // Separator magic<->count
-                       chr(BaseBinaryFile::SEPARATOR_HEADER_DATA),
+                       chr(BinaryFile::SEPARATOR_HEADER_DATA),
 
                        // Padded total entries
-                       str_pad(StringUtils::dec2hex($this->getIteratorInstance()->getBinaryFileInstance()->getCounter()), BaseBinaryFile::LENGTH_COUNT, '0', STR_PAD_LEFT),
+                       str_pad(StringUtils::dec2hex($this->getIteratorInstance()->getBinaryFileInstance()->getCounter()), BinaryFile::LENGTH_COUNT, '0', STR_PAD_LEFT),
 
                        // Separator count<->seek position
-                       chr(BaseBinaryFile::SEPARATOR_HEADER_DATA),
+                       chr(BinaryFile::SEPARATOR_HEADER_DATA),
 
                        // Padded seek position
-                       str_pad(StringUtils::dec2hex($this->getIteratorInstance()->getBinaryFileInstance()->getSeekPosition(), 2), BaseBinaryFile::LENGTH_POSITION, '0', STR_PAD_LEFT),
+                       str_pad(StringUtils::dec2hex($this->getIteratorInstance()->getBinaryFileInstance()->getSeekPosition(), 2), BinaryFile::LENGTH_POSITION, '0', STR_PAD_LEFT),
 
                        // Separator position<->entries
-                       chr(BaseBinaryFile::SEPARATOR_HEADER_ENTRIES)
+                       chr(BinaryFile::SEPARATOR_HEADER_ENTRIES)
                );
 
                // Write it to disk (header is always at seek position 0)
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: Calling this->iteratorInstance->writeAtPosition(0, header=%s) ...', $header));
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: Invoking this->iteratorInstance->writeAtPosition(0, header=%s) ...', $header));
                $this->getIteratorInstance()->getBinaryFileInstance()->writeAtPosition(0, $header);
 
                // Trace message
@@ -215,7 +228,7 @@ abstract class BaseFileStack extends BaseStacker {
                /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: fileInfoInstance[%s]=%s,type=%s - CALLED!', get_class($fileInfoInstance), $fileInfoInstance, $type));
                if (empty($type)) {
                        // Invalid parameter
-                       throw new InvalidArgumentException('Parameter "type" is empty');
+                       throw new InvalidArgumentException('Parameter "type" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                }
 
                // Get a stack file instance
@@ -230,11 +243,11 @@ abstract class BaseFileStack extends BaseStacker {
                // Calculate header size
                $headerSize = (
                        strlen(StackableFile::STACK_MAGIC) +
-                       strlen(chr(BaseBinaryFile::SEPARATOR_HEADER_DATA)) +
-                       BaseBinaryFile::LENGTH_COUNT +
-                       strlen(chr(BaseBinaryFile::SEPARATOR_HEADER_DATA)) +
-                       BaseBinaryFile::LENGTH_POSITION +
-                       strlen(chr(BaseBinaryFile::SEPARATOR_HEADER_ENTRIES))
+                       strlen(chr(BinaryFile::SEPARATOR_HEADER_DATA)) +
+                       BinaryFile::LENGTH_COUNT +
+                       strlen(chr(BinaryFile::SEPARATOR_HEADER_DATA)) +
+                       BinaryFile::LENGTH_POSITION +
+                       strlen(chr(BinaryFile::SEPARATOR_HEADER_ENTRIES))
                );
 
                // Setting it
@@ -242,7 +255,7 @@ abstract class BaseFileStack extends BaseStacker {
                $this->getIteratorInstance()->getBinaryFileInstance()->setHeaderSize($headerSize);
 
                // Init counters and gaps array
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Calling this->iteratorInstance->initCountersGapsArray() ...');
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Invoking this->iteratorInstance->initCountersGapsArray() ...');
                $this->getIteratorInstance()->getBinaryFileInstance()->initCountersGapsArray();
 
                /*
@@ -259,7 +272,7 @@ abstract class BaseFileStack extends BaseStacker {
                // Is the file's header initialized?
                if (!$this->getIteratorInstance()->getBinaryFileInstance()->isFileHeaderInitialized()) {
                        // First pre-allocate a bit
-                       /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Calling this->iteratorInstance->preAllocateFile(file_stack) ...');
+                       /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Invoking this->iteratorInstance->preAllocateFile(file_stack) ...');
                        $this->getIteratorInstance()->getBinaryFileInstance()->preAllocateFile('file_stack');
 
                        // Then create file header
@@ -268,22 +281,22 @@ abstract class BaseFileStack extends BaseStacker {
                }
 
                // Load the file header
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Calling this->readStackHeader() ...');
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Invoking this->readStackHeader() ...');
                $this->readStackHeader();
 
-               // Is the index loaded correctly and the stack file is just created?
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Calling this->indexInstance->isIndexLoaded() ...');
+               // Is the index loaded correctly, e.g. the stack file is just created?
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Invoking this->indexInstance->isIndexLoaded() ...');
                if (!$this->getIndexInstance()->isIndexLoaded()) {
                        /*
                         * Something horrible has happened to the index as it should be
                         * loaded at this point. The stack's file structure then needs to
                         * be analyzed and the index rebuild.
                         */
-                       /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Calling this->iteratorInstance->analyzeFileStructure() ...');
+                       /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Invoking this->iteratorInstance->analyzeFileStructure() ...');
                        $this->getIteratorInstance()->getBinaryFileInstance()->analyzeFileStructure();
 
                        // Rebuild index from file
-                       /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: Calling this->iteratorInstance->rebuildIndexFromStack(%s) ...', $this->__toString()));
+                       /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: Invoking this->iteratorInstance->rebuildIndexFromStack(%s) ...', $this->__toString()));
                        $this->getIndexInstance()->rebuildIndexFromStack($this);
                }
 
@@ -307,10 +320,10 @@ abstract class BaseFileStack extends BaseStacker {
                //* PRINTR-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackerName=%s,value[%s]=%s', $stackerName, gettype($value), print_r($value, true)));
                if (empty($stackerName)) {
                        // No empty stack name
-                       throw new InvalidArgumentException('Parameter "stackerName" is empty');
+                       throw new InvalidArgumentException('Parameter "stackerName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                } elseif ($this->isStackFull($stackerName)) {
                        // Stacker is full
-                       throw new FullStackerException([$this, $stackerName, $value], self::EXCEPTION_STACKER_IS_FULL);
+                       throw new BadMethodCallException(sprintf('stackerName=%s is full but method call.', $stackerName), FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
                } elseif (is_resource($value) || is_object($value)) {
                        // Not wanted type
                        throw new InvalidArgumentException(sprintf('value[]=%s is not supported', gettype($value)));
@@ -320,11 +333,12 @@ abstract class BaseFileStack extends BaseStacker {
                 * Now add the value to the file stack which returns gap position, a
                 * hash and length of the raw data.
                 */
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: Invoking this->iteratorInstance->binaryFileInstance->writeValueToFile(%s,value[]=%s) ...', $stackerName, gettype($value)));
                $data = $this->getIteratorInstance()->getBinaryFileInstance()->writeValueToFile($stackerName, $value);
 
                // Add the hash and gap position to the index
                //* PRINTR-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: data=%s', print_r($data, true));
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: Calling this->indexInstance->addHashedDataToIndex(%s,data()=%d) ...', $stackerName, count($data)));
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: Invoking this->indexInstance->addHashedDataToIndex(%s,data()=%d) ...', $stackerName, count($data)));
                $this->getIndexInstance()->addHashedDataToIndex($stackerName, $data);
 
                // Trace message
@@ -344,14 +358,14 @@ abstract class BaseFileStack extends BaseStacker {
                /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackerName=%s - CALLED!', $stackerName));
                if (empty($stackerName)) {
                        // No empty stack name
-                       throw new InvalidArgumentException('Parameter "stackerName" is empty');
+                       throw new InvalidArgumentException('Parameter "stackerName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                } elseif ($this->isStackEmpty($stackerName)) {
                        // Throw an exception
-                       throw new BadMethodCallException([$this, $stackerName], self::EXCEPTION_STACKER_IS_EMPTY);
+                       throw new BadMethodCallException([$this, $stackerName], FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
                }
 
                // Now get the last value
-               /* NOISY-DEBUG: */ $this->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
+               /* NOISY-DEBUG: */ DebugMiddleware::getSelfInstance()->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
                $value = NULL;
 
                // Return it
@@ -372,14 +386,14 @@ abstract class BaseFileStack extends BaseStacker {
                /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackerName=%s - CALLED!', $stackerName));
                if (empty($stackerName)) {
                        // No empty stack name
-                       throw new InvalidArgumentException('Parameter "stackerName" is empty');
+                       throw new InvalidArgumentException('Parameter "stackerName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                } elseif ($this->isStackEmpty($stackerName)) {
                        // Throw an exception
-                       throw new BadMethodCallException([$this, $stackerName], self::EXCEPTION_STACKER_IS_EMPTY);
+                       throw new BadMethodCallException([$this, $stackerName], FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
                }
 
                // Now get the first value
-               /* NOISY-DEBUG: */ $this->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
+               /* NOISY-DEBUG: */ DebugMiddleware::getSelfInstance()->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
                $value = NULL;
 
                // Return it
@@ -400,14 +414,14 @@ abstract class BaseFileStack extends BaseStacker {
                /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackerName=%s - CALLED!', $stackerName));
                if (empty($stackerName)) {
                        // No empty stack name
-                       throw new InvalidArgumentException('Parameter "stackerName" is empty');
+                       throw new InvalidArgumentException('Parameter "stackerName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                } elseif ($this->isStackEmpty($stackerName)) {
                        // Throw an exception
-                       throw new BadMethodCallException([$this, $stackerName], self::EXCEPTION_STACKER_IS_EMPTY);
+                       throw new BadMethodCallException([$this, $stackerName], FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
                }
 
                // Now, remove the last entry, we don't care about the return value here, see elseif() block above
-               /* NOISY-DEBUG: */ $this->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
+               /* NOISY-DEBUG: */ DebugMiddleware::getSelfInstance()->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
                return NULL;
        }
 
@@ -424,14 +438,14 @@ abstract class BaseFileStack extends BaseStacker {
                /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackerName=%s - CALLED!', $stackerName));
                if (empty($stackerName)) {
                        // No empty stack name
-                       throw new InvalidArgumentException('Parameter "stackerName" is empty');
+                       throw new InvalidArgumentException('Parameter "stackerName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                } elseif ($this->isStackEmpty($stackerName)) {
                        // Throw an exception
-                       throw new BadMethodCallException([$this, $stackerName], self::EXCEPTION_STACKER_IS_EMPTY);
+                       throw new BadMethodCallException([$this, $stackerName], FrameworkInterface::EXCEPTION_BAD_METHOD_CALL);
                }
 
                // Now, remove the last entry, we don't care about the return value here, see elseif() block above
-               /* NOISY-DEBUG: */ $this->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
+               /* NOISY-DEBUG: */ DebugMiddleware::getSelfInstance()->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
                return NULL;
        }
 
@@ -447,11 +461,11 @@ abstract class BaseFileStack extends BaseStacker {
                /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackerName=%s - CALLED!', $stackerName));
                if (empty($stackerName)) {
                        // No empty stack name
-                       throw new InvalidArgumentException('Parameter "stackerName" is empty');
+                       throw new InvalidArgumentException('Parameter "stackerName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                }
 
                // @TODO Please implement this, returning false
-               /* NOISY-DEBUG: */ $this->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
+               /* NOISY-DEBUG: */ DebugMiddleware::getSelfInstance()->partialStub('[' . __METHOD__ . ':' . __LINE__ . '] stackerName=' . $stackerName);
                $isFull = false;
 
                // Return result
@@ -472,7 +486,7 @@ abstract class BaseFileStack extends BaseStacker {
                /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackerName=%s - CALLED!', $stackerName));
                if (empty($stackerName)) {
                        // No empty stack name
-                       throw new InvalidArgumentException('Parameter "stackerName" is empty');
+                       throw new InvalidArgumentException('Parameter "stackerName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                }
 
                // So, is the stack empty?
@@ -491,7 +505,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public function isStackInitialized (string $stackerName) {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -501,7 +515,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public function isEndOfFileReached () {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -533,11 +547,11 @@ abstract class BaseFileStack extends BaseStacker {
                        //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FILE-STACK: Calculating ...');
                        self::$minimumBlockLength =
                                // Length of entry group
-                               BaseBinaryFile::LENGTH_GROUP + strlen(chr(BaseBinaryFile::SEPARATOR_GROUP_HASH)) +
+                               BinaryFile::LENGTH_GROUP + strlen(chr(BinaryFile::SEPARATOR_GROUP_HASH)) +
                                // Hash + value
-                               self::getHashLength() + strlen(chr(BaseBinaryFile::SEPARATOR_HASH_VALUE)) + 1 +
+                               self::getHashLength() + strlen(chr(BinaryFile::SEPARATOR_HASH_VALUE)) + 1 +
                                // Final separator
-                               strlen(chr(BaseBinaryFile::SEPARATOR_ENTRIES));
+                               strlen(chr(BinaryFile::SEPARATOR_ENTRIES));
                }
 
                // Return it
@@ -555,7 +569,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public function initCountersGapsArray () {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -565,7 +579,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public final function getHeaderSize () {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -576,7 +590,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public final function setHeaderSize (int $headerSize) {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -586,7 +600,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public final function getHeader () {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -597,7 +611,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public final function setHeader (array $header) {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -607,7 +621,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public function updateSeekPosition () {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -617,7 +631,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public final function getCounter () {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -631,7 +645,7 @@ abstract class BaseFileStack extends BaseStacker {
         */
        public function writeData (int $seekPosition, string $data, bool $flushHeader = true) {
                // Not supported
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -644,7 +658,7 @@ abstract class BaseFileStack extends BaseStacker {
         */
        public function writeAtPosition (int $seekPosition, string $dataStream) {
                // Not supported
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -656,7 +670,7 @@ abstract class BaseFileStack extends BaseStacker {
         * @throws      UnsupportedOperationException   This method is not (and maybe never will be) supported
         */
        public function writeValueToFile (string $stackName, $value) {
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -669,7 +683,7 @@ abstract class BaseFileStack extends BaseStacker {
         */
        public function searchNextGap (int $length) {
                // Not supported here
-               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), self::EXCEPTION_UNSPPORTED_OPERATION);
+               throw new UnsupportedOperationException(array($this, __FUNCTION__, $this->getIteratorInstance()->getBinaryFileInstance()), FrameworkInterface::EXCEPTION_UNSPPORTED_OPERATION);
        }
 
        /**
@@ -694,20 +708,33 @@ abstract class BaseFileStack extends BaseStacker {
         * @param       $hash           Hash from encoded value
         * @param       $encoded        Encoded value to be written to the file
         * @return      $data           Gap position and length of the raw data
+        * @throws      InvalidArgumentException        If a parameter has an invalid value
         */
        public function writeDataToFreeGap (string $stackName, string $hash, string $encoded) {
+               // Check parameter
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackName=%s,hash{}=0x%s,encoded()=%d - CALLED!', $stackName, bin2hex($hash), strlen($encoded)));
+               if (empty($stackName)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "stackName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($hash)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "hash" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               } elseif (empty($encoded)) {
+                       // Throw IAE
+                       throw new InvalidArgumentException('Parameter "encoded" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+               }
+
                // Raw data been written to the file
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackName=%s,hash=%s,encoded()=%d - CALLED!', $stackName, $hash, strlen($encoded)));
                $rawData = sprintf('%s%s%s%s%s',
                        $stackName,
-                       BaseBinaryFile::SEPARATOR_GROUP_HASH,
-                       hex2bin($hash),
-                       BaseBinaryFile::SEPARATOR_HASH_VALUE,
+                       BinaryFile::SEPARATOR_GROUP_HASH,
+                       $hash,
+                       BinaryFile::SEPARATOR_HASH_VALUE,
                        $encoded
                );
 
                // Search for next free gap
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackName=%s,hash=%s,rawData()=%d', $stackName, $hash, strlen($rawData)));
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackName=%s,hash{}=0x%s,rawData()=%d', $stackName, bin2hex($hash), strlen($rawData)));
                $gapPosition = $this->getIteratorInstance()->getBinaryFileInstance()->searchNextGap(strlen($rawData));
 
                // Gap position cannot be smaller than header length + 1
@@ -718,15 +745,15 @@ abstract class BaseFileStack extends BaseStacker {
                                gettype($gapPosition),
                                $gapPosition,
                                $this->getIteratorInstance()->getBinaryFileInstance()->getHeaderSize()
-                       ));
+                       ), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
                }
 
                // Then write the data at that gap
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackName=%s,hash=%s,gapPosition=%s', $stackName, $hash, $gapPosition));
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackName=%s,hash{}=0x%s,gapPosition=%s', $stackName, bin2hex($hash), $gapPosition));
                $this->getIteratorInstance()->getBinaryFileInstance()->writeData($gapPosition, $rawData);
 
                // Return gap position, hash and length of raw data
-               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackName=%s,hash=%s,rawData()=%d - EXIT!', $stackName, $hash, strlen($rawData)));
+               /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FILE-STACK: stackName=%s,hash{}=0x%s,rawData()=%d - EXIT!', $stackName, bin2hex($hash), strlen($rawData)));
                return [
                        StackableFile::ARRAY_NAME_GAP_POSITION => $gapPosition,
                        StackableFile::ARRAY_NAME_HASH         => $hash,