use Org\Mxchange\CoreFramework\Criteria\Criteria;
use Org\Mxchange\CoreFramework\Criteria\Storing\StoreableCriteria;
use Org\Mxchange\CoreFramework\Database\Backend\BaseDatabaseBackend;
-use Org\Mxchange\CoreFramework\Factory\ObjectFactory;
+use Org\Mxchange\CoreFramework\Factory\Object\ObjectFactory;
use Org\Mxchange\CoreFramework\Object\BaseFrameworkSystem;
+use Org\Mxchange\CoreFramework\Result\Database\BaseDatabaseResult;
use Org\Mxchange\CoreFramework\Traits\Cache\CacheableTrait;
+// Import SPL stuff
+use \InvalidArgumentException;
+
/**
* A generic database frontend
*
* @author Roland Haeder <webmaster@shipsimu.org>
* @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2020 Core Developer Team
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2023 Core Developer Team
* @license GNU GPL 3.0 or any newer version
* @link http://www.shipsimu.org
*
*/
private $tableName = 'unknown';
+ /**
+ * "Cached" value 'database_cache_enabled' from configuration
+ */
+ private $databaseCacheEnabled = false;
+
/**
* Protected constructor
*
*/
protected function __construct (string $className) {
// Call parent constructor
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: className=%s - CONSTRUCTED!', $className));
parent::__construct($className);
// Initialize the cache instance
$this->initCacheInstance();
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-DATABASE-FRONTEND: EXIT!');
}
/**
* @return void
*/
private final function initCacheInstance () {
+ // Set "cache" attributes
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-DATABASE-FRONTEND: CALLED!');
+ $this->databaseCacheEnabled = FrameworkBootstrap::getConfigurationInstance()->isEnabled('database_cache');
+
// Is the cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: this->databaseCacheEnabled=%d', intval($this->databaseCacheEnabled)));
+ if ($this->databaseCacheEnabled === true) {
// Set the new instance
$this->setCacheInstance(ObjectFactory::createObjectByConfiguredName('cache_class'));
- } // END - if
+ }
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-DATABASE-FRONTEND: EXIT!');
}
/**
return $this->tableName;
}
+ /**
+ * Gets a cache key from Criteria instance
+ *
+ * @param $criteriaInstance An instance of a Criteria class
+ * @param $onlyKeys Only use these keys for a cache key
+ * @return $cacheKey A cache key suitable for lookup/storage purposes
+ */
+ protected function getCacheKeyByCriteria (Criteria $criteriaInstance, array $onlyKeys = []) {
+ // Generate it
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: criteriaInstance=%s,onlyKeys()=%d - CALLED!', $criteriaInstance->__toString(), count($onlyKeys)));
+ $cacheKey = sprintf('%s@%s',
+ $this->__toString(),
+ $criteriaInstance->getCacheKey($onlyKeys)
+ );
+
+ // And return it
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-FRAMEWORK-SYSTEM: cacheKey=' . $cacheKey . ' - EXIT!');
+ return $cacheKey;
+ }
+
/**
* 'Inserts' a data set instance into a local file database folder
*
*/
protected function queryInsertDataSet (StoreableCriteria $dataSetInstance, array $onlyKeys = []) {
// Default cache key is NULL
- //* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: dataSetInstance=%s,onlyKeys()=%d - CALLED!', $dataSetInstance->__toString(), count($onlyKeys)));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: dataSetInstance=%s,onlyKeys()=%d - CALLED!', $dataSetInstance->__toString(), count($onlyKeys)));
$cacheKey = NULL;
// Is cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: this->databaseCacheEnabled=%d', intval($this->databaseCacheEnabled)));
+ if ($this->databaseCacheEnabled === true) {
// First get a key suitable for our cache and extend it with this class name
$cacheKey = $this->getCacheKeyByCriteria($dataSetInstance, $onlyKeys);
- //* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FRONTEND: Using cache key ' . $cacheKey . ' for purging ...');
- } // END - if
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: Using cache key %s for purging ...', $cacheKey));
+ }
// Does this key exists in cache?
- //* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: cacheKey[%s]=%s', gettype($cacheKey), $cacheKey));
- if ((FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) && ($this->getCacheInstance()->offsetExists($cacheKey))) {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: this->databaseCacheEnabled=%d,cacheKey[%s]=%s', intval($this->databaseCacheEnabled), gettype($cacheKey), $cacheKey));
+ if (($this->databaseCacheEnabled === true) && ($this->getCacheInstance()->offsetExists($cacheKey))) {
// Purge the cache
- //* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: Calling this->cacheInstance->purgeOffset(%s) ...', $cacheKey));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: Invoking this->cacheInstance->purgeOffset(%s) ...', $cacheKey));
$this->getCacheInstance()->purgeOffset($cacheKey);
- } // END - if
+ }
// Handle it over to the middleware
FrameworkBootstrap::getDatabaseInstance()->queryInsertDataSet($dataSetInstance);
// Trace message
- //* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FRONTEND: EXIT!');
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-DATABASE-FRONTEND: EXIT!');
}
/**
*/
protected function queryUpdateDataSet (StoreableCriteria $dataSetInstance, array $onlyKeys = []) {
// Init cache key
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: dataSetInstance=%s,onlyKeys()=%d - CALLED!', $dataSetInstance->__toString(), count($onlyKeys)));
$cacheKey = NULL;
// Is cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: this->databaseCacheEnabled=%d', intval($this->databaseCacheEnabled)));
+ if ($this->databaseCacheEnabled === true) {
// First get a key suitable for our cache and extend it with this class name
$cacheKey = $this->getCacheKeyByCriteria($dataSetInstance, $onlyKeys);
- //* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FRONTEND: Using cache key ' . $cacheKey . ' for purging ...');
- } // END - if
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('BASE-DATABASE-FRONTEND: Using cache key ' . $cacheKey . ' for purging ...');
+ }
// Does this key exists in cache?
- if ((FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) && ($this->getCacheInstance()->offsetExists($cacheKey))) {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: this->databaseCacheEnabled=%d,cacheKey=%s', intval($this->databaseCacheEnabled), $cacheKey));
+ if (($this->databaseCacheEnabled === true) && ($this->getCacheInstance()->offsetExists($cacheKey))) {
// Purge the cache
$this->getCacheInstance()->purgeOffset($cacheKey);
- } // END - if
+ }
// Handle it over to the middleware
FrameworkBootstrap::getDatabaseInstance()->queryUpdateDataSet($dataSetInstance);
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-DATABASE-FRONTEND: EXIT!');
}
/**
* @return $indexKey Index key
*/
public final function getIndexKey () {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-DATABASE-FRONTEND: CALLED!');
return FrameworkBootstrap::getDatabaseInstance()->getIndexKey();
}
* @return $lastException Last exception or NULL if none occured
*/
public final function getLastException () {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-DATABASE-FRONTEND: CALLED!');
return FrameworkBootstrap::getDatabaseInstance()->getLastException();
}
*/
public function doSelectByCriteria (Criteria $criteriaInstance, array $onlyKeys = []) {
// Default cache key if cache is not enabled
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: criteriaInstance=%s,onlyKeys()=%d - CALLED!', $criteriaInstance->__toString(), count($onlyKeys)));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: criteriaInstance=%s,onlyKeys()=%d - CALLED!', $criteriaInstance->__toString(), count($onlyKeys)));
$cacheKey = NULL;
$result = [];
// Is the cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: this->databaseCacheEnabled=%d', intval($this->databaseCacheEnabled)));
+ if ($this->databaseCacheEnabled === true) {
// First get a key suitable for our cache and extend it with this class name
$cacheKey = $this->getCacheKeyByCriteria($criteriaInstance, $onlyKeys);
- } // END - if
+ }
// Does this key exists in cache?
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: cacheKey[%s]=%s', gettype($cacheKey), $cacheKey));
- if ((FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) && ($this->getCacheInstance()->offsetExists($cacheKey, BaseDatabaseBackend::RESULT_INDEX_ROWS, 1))) {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: this->databaseCacheEnabled=%d,cacheKey[%s]=%s', intval($this->databaseCacheEnabled), gettype($cacheKey), $cacheKey));
+ if (($this->databaseCacheEnabled === true) && ($this->getCacheInstance()->offsetExists($cacheKey, BaseDatabaseResult::RESULT_NAME_ROWS, 1))) {
// Then use this result
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: Cache used for cacheKey=%s', $cacheKey));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: Cache used for cacheKey=%s', $cacheKey));
$result = $this->getCacheInstance()->offsetGet($cacheKey);
} else {
// Now it's time to ask the database layer for this select statement
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: Quering database, cacheKey=%s ...', $cacheKey));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: Quering database, cacheKey=%s ...', $cacheKey));
$result = FrameworkBootstrap::getDatabaseInstance()->doSelectByTableCriteria($this->getTableName(), $criteriaInstance);
// Cache the result if not null
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: result[]=%s', gettype($result)));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: result[]=%s', gettype($result)));
if (!is_null($result)) {
// Is cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: this->databaseCacheEnabled=%d', intval($this->databaseCacheEnabled)));
+ if ($this->databaseCacheEnabled === true) {
// A valid result has returned from the database layer
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: Setting cacheKey=%s with result()=%d entries', $cacheKey, count($result)));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: Setting cacheKey=%s with result()=%d entries', $cacheKey, count($result)));
$this->getCacheInstance()->offsetSet($cacheKey, $result);
- } // END - if
+ }
} else {
// This invalid result must be wrapped
- $result = array(
- BaseDatabaseBackend::RESULT_INDEX_STATUS => 'invalid',
- BaseDatabaseBackend::RESULT_INDEX_EXCEPTION => FrameworkBootstrap::getDatabaseInstance()->getLastException()
- );
+ $result = [
+ BaseDatabaseResult::RESULT_NAME_STATUS => 'invalid',
+ BaseDatabaseResult::RESULT_NAME_EXCEPTION => FrameworkBootstrap::getDatabaseInstance()->getLastException(),
+ ];
}
}
// Create an instance of a CachedDatabaseResult class with the given result
// @TODO Minor: Update above comment to e.g. BaseDatabaseResult
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: result[%s]=%s,result[%s]?=%d,result[%s]?=%d', BaseDatabaseBackend::RESULT_INDEX_STATUS, $result[BaseDatabaseBackend::RESULT_INDEX_STATUS], BaseDatabaseBackend::RESULT_INDEX_ROWS, isset($result[BaseDatabaseBackend::RESULT_INDEX_ROWS]), BaseDatabaseBackend::RESULT_INDEX_EXCEPTION, isset($result[BaseDatabaseBackend::RESULT_INDEX_EXCEPTION])));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: result[%s]=%s,result[%s]?=%d,result[%s]?=%d', BaseDatabaseResult::RESULT_NAME_STATUS, $result[BaseDatabaseResult::RESULT_NAME_STATUS], BaseDatabaseResult::RESULT_NAME_ROWS, isset($result[BaseDatabaseResult::RESULT_NAME_ROWS]), BaseDatabaseResult::RESULT_NAME_EXCEPTION, isset($result[BaseDatabaseResult::RESULT_NAME_EXCEPTION])));
$resultInstance = ObjectFactory::createObjectByConfiguredName('database_result_class', array($result));
// And return the instance
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: resultInstance=%s - EXIT!', $resultInstance->__toString()));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: resultInstance=%s - EXIT!', $resultInstance->__toString()));
return $resultInstance;
}
*/
public function doSelectCountByCriteria (Criteria $criteriaInstance, array $onlyKeys = []) {
// Total numbers is -1 so we can distinglish between failed and valid queries
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: criteriaInstance=%s,onlyKeys()=%d - CALLED!', $criteriaInstance->__toString(), count($onlyKeys)));
$numRows = 0;
// Get the result from above method
$resultInstance = $this->doSelectByCriteria($criteriaInstance, $onlyKeys);
// Was that query fine?
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('BASE-DATABASE-FRONTEND: resultInstance->ifStatusIsOkay()=%d', $resultInstance->ifStatusIsOkay()));
if ($resultInstance->ifStatusIsOkay()) {
// Then get the number of rows
$numRows = $resultInstance->getAffectedRows();
-
- // Debug message
- //* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-FRONTEND: numRows=' . $numRows);
- } // END - if
+ }
// Return the result
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: numRows=%d - EXIT!', $numRows));
return $numRows;
}
/**
- * Getter for primary key used in wrapped table
+ * Generates a primary key for this database frontend
*
* @return $primaryKey Primary key used in wrapped table
*/
- public final function getPrimaryKeyValue () {
+ public final function generatePrimaryKey () {
// Get the table name and a database instance and ask for it
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-DATABASE-FRONTEND: CALLED!');
$primaryKey = FrameworkBootstrap::getDatabaseInstance()->getPrimaryKeyOfTable($this->getTableName());
// Return value
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: primaryKey=%s - EXIT!', $primaryKey));
return $primaryKey;
}
*/
public final function countTotalRows () {
// Get the table name and a database instance and ask for it
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('BASE-DATABASE-FRONTEND: CALLED!');
$count = FrameworkBootstrap::getDatabaseInstance()->countTotalRows($this->getTableName());
// Return value
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: count=%d - EXIT!', $count));
return $count;
}
*
* @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 InvalidArgumentException If a parameter has an invalid value
*/
public function removeNonPublicDataFromArray (array $data) {
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('WRAPPER[' . $this->__toString() . ']: Calling FrameworkBootstrap::getDatabaseInstance()->removeNonPublicDataFromArray(data) ...');
+ // Check parameter
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: data()=%d - CALLED!', count($data)));
+ if (count($data) == 0) {
+ // Throw IAE
+ throw new InvalidArgumentException('Parameter "data" is an empty array', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+ }
+
+ // Remove non-public data (aka. sensitive)
$data = FrameworkBootstrap::getDatabaseInstance()->removeNonPublicDataFromArray($data);
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('WRAPPER[' . $this->__toString() . ']: data[]=' . gettype($data));
+ // Return cleaned array
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('BASE-DATABASE-FRONTEND: data()=%d - EXIT!', count($data)));
return $data;
}