]> git.mxchange.org Git - core.git/blobdiff - framework/main/classes/database/backend/lfdb_legacy/class_CachedLocalFileDatabase.php
Continued:
[core.git] / framework / main / classes / database / backend / lfdb_legacy / class_CachedLocalFileDatabase.php
index 1c652b901835f8adc88b0fd34df959529e549f3b..b82baad5ff36d5966d0c7005dba324fd4db72e10 100644 (file)
@@ -9,17 +9,20 @@ use Org\Mxchange\CoreFramework\Criteria\Local\LocalSearchCriteria;
 use Org\Mxchange\CoreFramework\Criteria\Storing\StoreableCriteria;
 use Org\Mxchange\CoreFramework\Database\Backend\BaseDatabaseBackend;
 use Org\Mxchange\CoreFramework\Database\Backend\DatabaseBackend;
+use Org\Mxchange\CoreFramework\Database\Sql\SqlException;
+use Org\Mxchange\CoreFramework\EntryPoint\ApplicationEntryPoint;
 use Org\Mxchange\CoreFramework\Factory\Object\ObjectFactory;
 use Org\Mxchange\CoreFramework\Filesystem\FileNotFoundException;
 use Org\Mxchange\CoreFramework\Generic\FrameworkException;
+use Org\Mxchange\CoreFramework\Generic\FrameworkInterface;
 use Org\Mxchange\CoreFramework\Result\Database\BaseDatabaseResult;
 use Org\Mxchange\CoreFramework\Traits\Compressor\Channel\CompressorChannelTrait;
 use Org\Mxchange\CoreFramework\Traits\Handler\Io\IoHandlerTrait;
 
 // Import SPL stuff
+use \BadMethodCallException;
 use \InvalidArgumentException;
 use \SplFileInfo;
-use \UnexpectedValueException;
 
 /**
  * Database backend class for storing objects in locally created files.
@@ -32,7 +35,7 @@ use \UnexpectedValueException;
  *
  * @author             Roland Haeder <webmaster@shipsimu.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.shipsimu.org
  *
@@ -109,6 +112,7 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        public static final function createCachedLocalFileDatabase () {
                // Get an instance
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: CALLED!');
                $databaseInstance = new CachedLocalFileDatabase();
 
                // Set the compressor channel
@@ -121,6 +125,7 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                $databaseInstance->connectToDatabase();
 
                // Return database instance
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: databaseInstance=%s - EXIT!', $databaseInstance->__toString()));
                return $databaseInstance;
        }
 
@@ -190,19 +195,25 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        private function getDataArrayFromFile (SplFileInfo $infoInstance) {
                // Init compressed data
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: Reading elements from database file ' . $infoInstance . ' ...');
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: infoInstance=%s - CALLED!', $infoInstance->__toString()));
                $compressedData = $this->getFileIoInstance()->loadFileContents($infoInstance);
-               $compressedData = $compressedData['data'];
+
+               // Is it valid?
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LOCAL-FILE-DATABASE: compressedData[]=%s', gettype($compressedData)));
+               //* DEBUG-DIE: */ die(sprintf('[%s:%d]: compressedData=%s', __METHOD__, __LINE__, print_r($compressedData, TRUE)));
+               if (!isset($compressedData['data'])) {
+                       // Important element not found
+                       ApplicationEntryPoint::exitApplication(sprintf('compressedData()=%d has no element "data"', count($compressedData)), FrameworkInterface::EXCEPTION_OUT_OF_BOUNDS);
+               }
 
                // Decompress it
-               $serializedData = $this->getCompressorChannelInstance()->getCompressor()->decompressStream($compressedData);
+               $serializedData = $this->getCompressorChannelInstance()->getCompressor()->decompressStream($compressedData['data']);
 
                // Unserialize it
                $dataArray = json_decode($serializedData, true);
 
                // Finally return it
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: Read ' . count($dataArray) . ' elements from database file ' . $infoInstance . '.');
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: dataArray=' . print_r($dataArray, true));
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: dataArray()=%d - EXIT!', count($dataArray)));
                return $dataArray;
        }
 
@@ -215,16 +226,15 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        private function writeDataArrayToFqfn (SplFileInfo $infoInstance, array $dataArray) {
                // Serialize and compress it
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: Flushing ' . count($dataArray) . ' elements to database file ' . $infoInstance . ' ...');
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: dataArray=' . print_r($dataArray, true));
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: Flushing ' . count($dataArray) . ' elements to database file ' . $infoInstance . ' ...');
                $compressedData = $this->getCompressorChannelInstance()->getCompressor()->compressStream(json_encode($dataArray));
 
                // Write this data BASE64 encoded to the file
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: Writing ' . strlen($compressedData) . ' bytes ...');
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LOCAL-FILE-DATABASE: Writing ' . strlen($compressedData) . ' bytes ...');
                $this->getFileIoInstance()->saveStreamToFile($infoInstance, $compressedData, $this);
 
-               // Debug message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: Flushing ' . count($dataArray) . ' elements to database file completed.');
+               // Trace message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: Flushing ' . count($dataArray) . ' elements to database file completed.');
        }
 
        /**
@@ -235,12 +245,14 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        private function getContentsFromTableInfoFile (StoreableCriteria $dataSetInstance) {
                // Default content is no data
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: dataSetInstance=%s - CALLED!', $dataSetInstance->__toString()));
                $infoArray = [];
 
                // Create FQFN for getting the table information file
                $infoInstance = $this->generateFileFromDataSet($dataSetInstance, 'info');
 
                // Get the file contents
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: infoInstance=%s', $infoInstance->__toString()));
                try {
                        $infoArray = $this->getDataArrayFromFile($infoInstance);
                } catch (FileNotFoundException $e) {
@@ -248,6 +260,7 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                }
 
                // ... and return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: infoArray()=%d - EXIT!', count($infoArray)));
                return $infoArray;
        }
 
@@ -260,9 +273,11 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        private function generateFileFromDataSet (Criteria $dataSetInstance, string $rowName) {
                // Instanciate new file object
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: dataSetInstance=%s,rowName=%s - CALLED!', $dataSetInstance->__toString(), $rowName));
                $infoInstance = new SplFileInfo(FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('local_database_path') . $dataSetInstance->getTableName() . DIRECTORY_SEPARATOR . $rowName . '.' . $this->getFileExtension());
 
                // Return it
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: infoInstance=%s - EXIT!', $infoInstance->__toString()));
                return $infoInstance;
        }
 
@@ -273,18 +288,27 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         * @return      void
         */
        private function createTableInfoFile (StoreableCriteria $dataSetInstance) {
-               // Create FQFN for creating the table information file
-               $infoInstance = $this->generateFileFromDataSet($dataSetInstance, 'info');
+               // Get table name
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: dataSetInstance=%s - CALLED!', $dataSetInstance->__toString()));
+               $tableName = $dataSetInstance->getTableName();
 
                // Get the data out from dataset in a local array
-               $this->tableInfo[$dataSetInstance->getTableName()] = array(
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: tableName=%', $tableName));
+               $this->tableInfo[$tableName] = [
                        'primary'      => $dataSetInstance->getPrimaryKey(),
                        'created'      => time(),
-                       'last_updated' => time()
-               );
+                       'last_updated' => time(),
+               ];
+
+               // Get info instance
+               $infoInstance = $this->generateFileFromDataSet($dataSetInstance, 'info');
 
                // Write the data to the file
-               $this->writeDataArrayToFqfn($infoInstance, $this->tableInfo[$dataSetInstance->getTableName()]);
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: Invoking this->writeDataArrayToFqfn(%s,this->tableInfo[%s]()=%d) ...', $infoInstance->__toString(), $tableName, count($this->tableInfo[$tableName])));
+               $this->writeDataArrayToFqfn($infoInstance, $this->tableInfo[$tableName]);
+
+               // Trace message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: EXIT!');
        }
 
        /**
@@ -295,17 +319,24 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        private function updateTableInfoFile (StoreableCriteria $dataSetInstance) {
                // Get table name from criteria
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: dataSetInstance=%s - CALLED!', $dataSetInstance->__toString()));
                $tableName = $dataSetInstance->getTableName();
 
                // Create FQFN for creating the table information file
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: tableName=%', $tableName));
                $infoInstance = $this->generateFileFromDataSet($dataSetInstance, 'info');
 
                // Get the data out from dataset in a local array
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: infoInstance=%s', $infoInstance->__toString()));
                $this->tableInfo[$tableName]['primary']      = $dataSetInstance->getPrimaryKey();
                $this->tableInfo[$tableName]['last_updated'] = time();
 
                // Write the data to the file
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: Invoking this->writeDataArrayToFqfn(%s,this->tableInfo[%s]()=%d) ...', $infoInstance->__toString(), $tableName, count($this->tableInfo[$tableName])));
                $this->writeDataArrayToFqfn($infoInstance, $this->tableInfo[$tableName]);
+
+               // Trace message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: EXIT!');
        }
 
        /**
@@ -316,31 +347,31 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        private function updatePrimaryKey (StoreableCriteria $dataSetInstance) {
                // Get table name from criteria
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: dataSetInstance=%s - CALLED!', $dataSetInstance->__toString()));
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: dataSetInstance=%s - CALLED!', $dataSetInstance->__toString()));
                $tableName = $dataSetInstance->getTableName();
 
                // Get the information array from lower method
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: tableName=%s', $tableName));
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LOCAL-FILE-DATABASE: tableName=%s', $tableName));
                $infoArray = $this->getContentsFromTableInfoFile($dataSetInstance);
 
                // Is the primary key there?
-               //* PRINTR-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: tableInfo=' . print_r($this->tableInfo, true));
+               //* PRINTR-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LOCAL-FILE-DATABASE: tableInfo=' . print_r($this->tableInfo, true));
                if (!isset($this->tableInfo[$tableName]['primary'])) {
                        // Then create the info file
-                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: Creating info table for tableName=%s ...', $tableName));
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LOCAL-FILE-DATABASE: Creating info table for tableName=%s ...', $tableName));
                        $this->createTableInfoFile($dataSetInstance);
-               } elseif ((FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('db_update_primary_forced') == 'Y') && ($dataSetInstance->getPrimaryKey() != $this->tableInfo[$tableName]['primary'])) {
+               } elseif (FrameworkBootstrap::getConfigurationInstance()->isEnabled('db_update_primary_forced') && $dataSetInstance->getPrimaryKey() != $this->tableInfo[$tableName]['primary']) {
                        // Set the array element
-                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: Setting primaryKey=%s for tableName=%s ...', $dataSetInstance->getPrimaryKey(), $tableName));
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LOCAL-FILE-DATABASE: Setting primaryKey=%s for tableName=%s ...', $dataSetInstance->getPrimaryKey(), $tableName));
                        $this->tableInfo[$tableName]['primary'] = $dataSetInstance->getPrimaryKey();
 
                        // Update the entry
-                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: Updating info table for tableName=%s ...', $tableName));
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LOCAL-FILE-DATABASE: Updating info table for tableName=%s ...', $tableName));
                        $this->updateTableInfoFile($dataSetInstance);
                }
 
                // Trace message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: EXIT!');
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: EXIT!');
        }
 
        /**
@@ -350,6 +381,7 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         * @todo        Do some checks on the database directory and files here
         */
        public function connectToDatabase () {
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: CALLED!');
        }
 
        /**
@@ -365,10 +397,10 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        public function querySelect (string $tableName, LocalSearchCriteria $searchInstance) {
                // Validate parameter
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: tableName=%s,searchInstance=%s - CALLED!', $tableName, $searchInstance->__toString()));
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: tableName=%s,searchInstance=%s - CALLED!', $tableName, $searchInstance->__toString()));
                if (empty($tableName)) {
                        // Throw IAE
-                       throw new InvalidArgumentException('Parameter "tableName" is empty');
+                       throw new InvalidArgumentException('Parameter "tableName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                } elseif (!isset($this->pathNames[$tableName])) {
                        // "Cache" is not present, so create and assign it
                        $this->pathNames[$tableName] = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('local_database_path') . $tableName . DIRECTORY_SEPARATOR;
@@ -383,13 +415,14 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                 */
                try {
                        // Get a directory pointer instance
-                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: Getting directory_class for this->pathNames[%s]=%s ...', $tableName, $this->pathNames[$tableName]));
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: Getting directory_class for this->pathNames[%s]=%s ...', $tableName, $this->pathNames[$tableName]));
                        $directoryInstance = ObjectFactory::createObjectByConfiguredName('directory_class', [$this->pathNames[$tableName]]);
 
                        // Initialize the result data, this need to be rewritten e.g. if a local file cannot be read
                        $resultData = [
-                               BaseDatabaseResult::RESULT_NAME_STATUS => self::RESULT_OKAY,
-                               BaseDatabaseResult::RESULT_NAME_ROWS   => []
+                               BaseDatabaseResult::RESULT_NAME_STATUS    => self::RESULT_OKAY,
+                               BaseDatabaseResult::RESULT_NAME_ROWS      => [],
+                               BaseDatabaseResult::RESULT_NAME_EXCEPTION => NULL,
                        ];
 
                        // Initialize limit/skip
@@ -400,10 +433,10 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                        // Read the directory with some exceptions
                        while (($fileInfoInstance = $directoryInstance->readDirectoryExcept(['.gitkeep', 'info.' . $this->getFileExtension()])) && (($limitFound < $searchInstance->getLimit()) || ($searchInstance->getLimit() == 0))) {
                                // Does the extension match?
-                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: fileInfoInstance->extension=%s,this->fileExtension=%s', $fileInfoInstance->getExtension(), $this->getFileExtension()));
+                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: fileInfoInstance->extension=%s,this->fileExtension=%s', $fileInfoInstance->getExtension(), $this->getFileExtension()));
                                if ($fileInfoInstance->getExtension() !== $this->getFileExtension()) {
                                        // Skip this file!
-                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: Skipping fileInfoInstance->filename=%s ...', $fileInfoInstance->getFilename()));
+                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: Skipping fileInfoInstance->filename=%s ...', $fileInfoInstance->getFilename()));
                                        $directoryInstance->getDirectoryIteratorInstance()->next();
                                        continue;
                                }
@@ -412,24 +445,24 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                                $dataArray = $this->getDataArrayFromFile($fileInfoInstance);
 
                                // Is this an array?
-                               //* PRINTR-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: fileInfoInstance.pathname=' . $fileInfoInstance->getPathname() . ',dataArray='.print_r($dataArray, true));
+                               //* PRINTR-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('CACHED-LOCAL-FILE-DATABASE: fileInfoInstance->pathname=' . $fileInfoInstance->getPathname() . ',dataArray='.print_r($dataArray, true));
                                if (is_array($dataArray)) {
                                        // Default is nothing found
                                        $isFound = true;
 
                                        // Search in the criteria with FMFW (First Matches, First Wins)
-                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: data[]=%d', count($dataArray)));
+                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: data[]=%d', count($dataArray)));
                                        foreach ($dataArray as $key => $value) {
                                                // Found one entry?
                                                $isFound = ($isFound && $searchInstance->isCriteriaMatching($key, $value));
-                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: key=%s,value[%s]=%s,isFound=%s', $key, gettype($value), $value, intval($isFound)));
+                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: key=%s,value[%s]=%s,isFound=%s', $key, gettype($value), $value, intval($isFound)));
                                        }
 
                                        // Is all found?
-                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: isFound=%d,limitFound=%d,limit=%d', intval($isFound), $limitFound, $searchInstance->getLimit()));
+                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: isFound=%d,limitFound=%d,limit=%d', intval($isFound), $limitFound, $searchInstance->getLimit()));
                                        if ($isFound === true) {
                                                // Shall we skip this entry?
-                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: searchInstance->skip=%d,skipFound=%d', $searchInstance->getSkip(), $skipFound));
+                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: searchInstance->skip=%d,skipFound=%d', $searchInstance->getSkip(), $skipFound));
                                                if ($searchInstance->getSkip() > 0 && $skipFound < $searchInstance->getSkip()) {
                                                        // Skip this entry
                                                        $skipFound++;
@@ -437,14 +470,14 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                                                }
 
                                                // Set id number
-                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: Setting dataArray[%s]=%d', $this->getIndexKey(), $idx));
+                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: Setting dataArray[%s]=%d', $this->getIndexKey(), $idx));
                                                $dataArray[$this->getIndexKey()] = $idx;
 
                                                // Entry found!
                                                array_push($resultData[BaseDatabaseResult::RESULT_NAME_ROWS], $dataArray);
 
                                                // Count found entries up
-                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: resultData[%s]()=%d', BaseDatabaseResult::RESULT_NAME_ROWS, count($resultData[BaseDatabaseResult::RESULT_NAME_ROWS])));
+                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: resultData[%s]()=%d', BaseDatabaseResult::RESULT_NAME_ROWS, count($resultData[BaseDatabaseResult::RESULT_NAME_ROWS])));
                                                $limitFound++;
                                        }
                                } else {
@@ -477,6 +510,7 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                }
 
                // Return the gathered result
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: resultData()=%d - EXIT!', count($resultData)));
                return $resultData;
        }
 
@@ -489,7 +523,7 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        public function queryInsertDataSet (StoreableCriteria $dataSetInstance) {
                // Try to save the request away
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: dataSetInstance=%s - CALLED!', $dataSetInstance->__toString()));
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: dataSetInstance=%s - CALLED!', $dataSetInstance->__toString()));
                try {
                        // Create full path name
                        $infoInstance = $this->generateFileFromDataSet($dataSetInstance, md5($dataSetInstance->getUniqueValue()));
@@ -507,17 +541,21 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                        $this->setLastException($e);
 
                        // Throw an SQL exception
-                       throw new SqlException(array(
+                       throw new SqlException([
                                        $this,
-                                       sprintf('Cannot write data to table &#39;%s&#39;, is the table created?', $dataSetInstance->getTableName()),
+                                       sprintf('Cannot write data to table &#39;%s&#39;, is the table created? e=%s,e->message=%s',
+                                               $dataSetInstance->getTableName(),
+                                               $e->__toString(),
+                                               $e->getMessage()
+                                       ),
                                        self::DB_CODE_TABLE_UNWRITEABLE
-                               ),
+                               ],
                                self::EXCEPTION_SQL_QUERY
                        );
                }
 
                // Trace message
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: EXIT!');
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: EXIT!');
        }
 
        /**
@@ -525,17 +563,19 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         *
         * @param       $dataSetInstance        An instance of a StorableCriteria class
         * @return      void
-        * @throws      UnexpectedValueException        If $tableName is empty
+        * @throws      InvalidArgumentException        If $tableName is empty
         * @throws      SqlException    If an SQL error occurs
         */
        public function queryUpdateDataSet (StoreableCriteria $dataSetInstance) {
                // Get table name
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: dataSetInstance=%s - CALLED!', $dataSetInstance->__toString()));
                $tableName = $dataSetInstance->getTableName();
 
                // Is "cache" there?
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: tableName=%s', $tableName));
                if (empty($tableName)) {
                        // Should never be an empty string
-                       throw new UnexpectedValueException('Class field dataSetInstance->tableName is empty');
+                       throw new InvalidArgumentException('Class field dataSetInstance->tableName is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                } elseif (!isset($this->pathNames[$tableName])) {
                        // "Cache" is not present, so create and assign it
                        $this->pathNames[$tableName] = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('local_database_path') . $tableName . DIRECTORY_SEPARATOR;
@@ -554,24 +594,26 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                        $searchArray = $dataSetInstance->getCriteriaArray();
 
                        // Get search criteria
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: searchArray()=%d', count($searchArray)));
                        $searchInstance = $dataSetInstance->getSearchInstance();
 
                        // Read the directory with some exceptions
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: searchInstance=%s', $searchInstance->__toString()));
                        while (($fileInfoInstance = $directoryInstance->readDirectoryExcept(['.gitkeep', 'info.' . $this->getFileExtension()])) && (($limitFound < $searchInstance->getLimit()) || ($searchInstance->getLimit() == 0))) {
                                // Does the extension match?
-                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: fileInfoInstance->extension=' . $fileInfoInstance->getExtension() . ',this->getFileExtension()=' . $this->getFileExtension());
+                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: fileInfoInstance->extension=%s,this->fileExtension=%s', $fileInfoInstance->getExtension(), $this->getFileExtension()));
                                if ($fileInfoInstance->getExtension() !== $this->getFileExtension()) {
                                        // Skip this file!
-                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: fileInfoInstance.extension=' . $fileInfoInstance->getExtension() . ',getFileExtension()=' . $this->getFileExtension() . ' - SKIPPED!');
+                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: fileInfoInstance->extension=%s,this->fileExtension=%s - SKIPPED!', $fileInfoInstance->getExtension(), $this->getFileExtension()));
                                        $directoryInstance->getDirectoryIteratorInstance()->next();
                                        continue;
                                }
 
                                // Open this file for reading
                                $dataArray = $this->getDataArrayFromFile($fileInfoInstance);
-                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: fileInfoInstance.pathname=' . $fileInfoInstance->getPathname() . ',dataArray='.print_r($dataArray, true));
 
                                // Is this an array?
+                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('CACHED-LOCAL-FILE-DATABASE: fileInfoInstance->pathname=' . $fileInfoInstance->getPathname() . ',dataArray='.print_r($dataArray, true));
                                if (is_array($dataArray)) {
                                        // Default is nothing found
                                        $isFound = true;
@@ -579,18 +621,19 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                                        // Search in the criteria with FMFW (First Matches, First Wins)
                                        foreach ($dataArray as $key => $value) {
                                                // Found one entry?
+                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: isFound=%d,key=%s,value[]=%s', intval($isFound), $key, gettype($value)));
                                                $isFound = (($isFound === true) && ($searchInstance->isCriteriaMatching($key, $value)));
                                        }
 
                                        // Is all found?
-                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: isFound=' . intval($isFound));
+                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: isFound=%s', intval($isFound)));
                                        if ($isFound === true) {
                                                // Shall we skip this entry?
                                                if ($searchInstance->getSkip() > 0) {
                                                        // We shall skip some entries
                                                        if ($skipFound < $searchInstance->getSkip()) {
                                                                // Skip this entry
-                                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: Found entry, but skipping ...');
+                                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('CACHED-LOCAL-FILE-DATABASE: Found entry, but skipping ...');
                                                                $skipFound++;
                                                                break;
                                                        }
@@ -599,16 +642,17 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                                                // Entry found, so update it
                                                foreach ($searchArray as $searchKey => $searchValue) {
                                                        // Make sure the value is not bool again
+                                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: searchKey=%s,searchValue[]=%s', $searchKey, gettype($searchValue)));
                                                        assert(!is_bool($searchValue));
-                                                       assert($searchKey != $this->indexKey);
+                                                       assert($searchKey != $this->getIndexKey());
 
                                                        // Debug message + add/update it
-                                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: criteriaKey=' . $searchKey . ',criteriaValue=' . $searchValue);
+                                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: criteriaKey=%s,criteriaValue[%s]=%s', $searchKey, gettype($searchValue), $searchValue));
                                                        $dataArray[$searchKey] = $searchValue;
                                                }
 
                                                // Write the data to a local file
-                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: Writing data[]=' . count($dataArray) . ' to ' . $fileInfoInstance->getPathname() . ' ...');
+                                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: Writing data()=%d to %s ...', count($dataArray), $fileInfoInstance->getPathname()));
                                                $this->writeDataArrayToFqfn($fileInfoInstance, $dataArray);
 
                                                // Count found entries up
@@ -617,10 +661,12 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                                }
 
                                // Advance to next entry
+                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: Invoking directoryInstance->directoryIteratorInstance->next() ...');
                                $directoryInstance->getDirectoryIteratorInstance()->next();
                        }
 
                        // Close the file pointer
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: Invoking directoryInstance->closeDirectory() ...');
                        $directoryInstance->closeDirectory();
 
                        // Update the primary key
@@ -630,11 +676,15 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                        $this->resetLastException();
                } catch (FrameworkException $e) {
                        // Catch all exceptions and store them in last error
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: e=%s,e->code=%d,e->message=%s', $e->__toString(), $e->getCode(), $e->getMessage()));
                        $this->setLastException($e);
 
                        // Throw an SQL exception
                        throw new SqlException(array($this, sprintf('Cannot write data to table &#39;%s&#39;, is the table created? Exception: %s, message:%s', $dataSetInstance->getTableName(), $e->__toString(), $e->getMessage()), self::DB_CODE_TABLE_UNWRITEABLE), self::EXCEPTION_SQL_QUERY);
                }
+
+               // Trace message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('CACHED-LOCAL-FILE-DATABASE: EXIT!');
        }
 
        /**
@@ -648,9 +698,10 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        public function getPrimaryKeyOfTable (string $tableName) {
                // Validate parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: tableName=%s - CALLED!', $tableName));
                if (empty($tableName)) {
                        // Throw IAE
-                       throw new InvalidArgumentException('Parameter "tableName" is empty');
+                       throw new InvalidArgumentException('Parameter "tableName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                }
 
                // Default key is null
@@ -663,6 +714,7 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                }
 
                // Return the column
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: primaryKey[%s]=%s - EXIT!', gettype($primaryKey), $primaryKey));
                return $primaryKey;
        }
 
@@ -671,14 +723,22 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         *
         * @param       $data   An array with possible non-public data that needs to be removed.
         * @return      $data   A cleaned up array with only public data.
+        * @throws      BadMethodCallException  If some non-public is already not found but method was called
         * @todo        Add more generic non-public data for removal
         */
        public function removeNonPublicDataFromArray (array $data) {
+               // Check parameter
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: data()=%d - CALLED!', count($data)));
+               if (!isset($data[$this->getIndexKey()])) {
+                       // Throw BMCE
+                       throw new BadMethodCallException(sprintf('data()=%d does not contain this->indexKey=%s', count($data), $this->getIndexKey()));
+               }
+
                // Remove '__idx'
-               unset($data[$this->indexKey]);
+               unset($data[$this->getIndexKey()]);
 
                // Return it
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: data[' . gettype($data) . ']='.print_r($data, true));
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: data()=%d - EXIT!', count($data)));
                return $data;
        }
 
@@ -691,17 +751,17 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
         */
        public function countTotalRows (string $tableName) {
                // Validate parameter
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: tableName=' . $tableName . ' - CALLED!');
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: tableName=%s - CALLED!', $tableName));
                if (empty($tableName)) {
                        // Throw IAE
-                       throw new InvalidArgumentException('Parameter "tableName" is empty');
+                       throw new InvalidArgumentException('Parameter "tableName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
                } elseif (!isset($this->pathNames[$tableName])) {
                        // "Cache" is not present, so create and assign it
                        $this->pathNames[$tableName] = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('local_database_path') . $tableName . DIRECTORY_SEPARATOR;
                }
 
                // Try all the requests
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: this->pathNames[%s]=%s', $tableName, $this->pathNames[$tableName]));
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: this->pathNames[%s]=%s', $tableName, $this->pathNames[$tableName]));
                try {
                        // Get a file pointer instance
                        $directoryInstance = ObjectFactory::createObjectByConfiguredName('directory_class', [$this->pathNames[$tableName]]);
@@ -712,16 +772,16 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                        // Read the directory with some exceptions
                        while ($fileInfoInstance = $directoryInstance->readDirectoryExcept(['.gitkeep', 'info.' . $this->getFileExtension()])) {
                                // Does the extension match?
-                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: fileInfoInstance->extension=' . $fileInfoInstance->getExtension() . ',this->getFileExtension()=' . $this->getFileExtension());
+                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('CACHED-LOCAL-FILE-DATABASE: fileInfoInstance->extension=' . $fileInfoInstance->getExtension() . ',this->getFileExtension()=' . $this->getFileExtension());
                                if ($fileInfoInstance->getExtension() !== $this->getFileExtension()) {
                                        // Debug message
-                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: fileInfoInstance.extension=' . $fileInfoInstance->getExtension() . ',getFileExtension()=' . $this->getFileExtension() . ' - SKIPPED!');
+                                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('CACHED-LOCAL-FILE-DATABASE: fileInfoInstance->extension=' . $fileInfoInstance->getExtension() . ',getFileExtension()=' . $this->getFileExtension() . ' - SKIPPED!');
                                        // Skip this file!
                                        continue;
                                }
 
                                // Count this row up
-                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: fileInfoInstance.pathname=' . $fileInfoInstance->getPathname() . ',getFileExtension()=' . $this->getFileExtension() . ' - COUNTED!');
+                               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('CACHED-LOCAL-FILE-DATABASE: fileInfoInstance->pathname=' . $fileInfoInstance->getPathname() . ',getFileExtension()=' . $this->getFileExtension() . ' - COUNTED!');
                                $count++;
                        }
                } catch (FrameworkException $e) {
@@ -733,7 +793,7 @@ class CachedLocalFileDatabase extends BaseDatabaseBackend implements DatabaseBac
                }
 
                // Return count
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: tableName=' . $tableName . ',count=' . $count . ' - EXIT!');
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('CACHED-LOCAL-FILE-DATABASE: count=%d - EXIT!', $count));
                return $count;
        }