X-Git-Url: https://git.mxchange.org/?p=core.git;a=blobdiff_plain;f=inc%2Fclasses%2Fmain%2Fdatabase%2Fclass_BaseDatabaseWrapper.php;h=c2a18b864e59f43df7d31fc98563e8469c75f1fc;hp=28ee12cf0ae8d9ffd2ce3f3306ef39b13ac91c49;hb=3cbaa685d35683473f2a13107999108344df2aa7;hpb=8d140268002471697ef53b428b99202ea4d5519e diff --git a/inc/classes/main/database/class_BaseDatabaseWrapper.php b/inc/classes/main/database/class_BaseDatabaseWrapper.php index 28ee12cf..c2a18b86 100644 --- a/inc/classes/main/database/class_BaseDatabaseWrapper.php +++ b/inc/classes/main/database/class_BaseDatabaseWrapper.php @@ -4,7 +4,7 @@ * * @author Roland Haeder * @version 0.0.0 - * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2013 Core Developer Team + * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team * @license GNU GPL 3.0 or any newer version * @link http://www.shipsimu.org * @@ -51,8 +51,11 @@ class BaseDatabaseWrapper extends BaseFrameworkSystem { * @return void */ private final function initCacheInstance () { - // Set the new instance - $this->cacheInstance = CacheFactory::getFactory()->createConfiguredCache(); + // Is the cache enabled? + if ($this->getConfigInstance()->getConfigEntry('database_cache_enabled') === TRUE) { + // Set the new instance + $this->cacheInstance = CacheFactory::getFactory()->createConfiguredCache(); + } // END - if } /** @@ -82,12 +85,18 @@ class BaseDatabaseWrapper extends BaseFrameworkSystem { * @return void */ protected function queryInsertDataSet (StoreableCriteria $dataSetInstance, array $onlyKeys = array()) { - // First get a key suitable for our cache and extend it with this class name - $cacheKey = $this->getCacheKeyByCriteria($dataSetInstance, $onlyKeys); - //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('BASE-WRAPPER: Using cache key ' . $cacheKey . ' for purging ...'); + // Default cache key is NULL + $cacheKey = NULL; + + // Is cache enabled? + if ($this->getConfigInstance()->getConfigEntry('database_cache_enabled') === 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__)->debugOutput('BASE-WRAPPER: Using cache key ' . $cacheKey . ' for purging ...'); + } // END - if // Does this key exists in cache? - if ($this->cacheInstance->offsetExists($cacheKey)) { + if (($this->getConfigInstance()->getConfigEntry('database_cache_enabled') === TRUE) && ($this->cacheInstance->offsetExists($cacheKey))) { // Purge the cache $this->cacheInstance->purgeOffset($cacheKey); } // END - if @@ -104,12 +113,18 @@ class BaseDatabaseWrapper extends BaseFrameworkSystem { * @return void */ protected function queryUpdateDataSet (StoreableCriteria $dataSetInstance, array $onlyKeys = array()) { - // First get a key suitable for our cache and extend it with this class name - $cacheKey = $this->getCacheKeyByCriteria($dataSetInstance, $onlyKeys); - //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('BASE-WRAPPER: Using cache key ' . $cacheKey . ' for purging ...'); + // Init cache key + $cacheKey = NULL; + + // Is cache enabled? + if ($this->getConfigInstance()->getConfigEntry('database_cache_enabled') === 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__)->debugOutput('BASE-WRAPPER: Using cache key ' . $cacheKey . ' for purging ...'); + } // END - if // Does this key exists in cache? - if ($this->cacheInstance->offsetExists($cacheKey)) { + if (($this->getConfigInstance()->getConfigEntry('database_cache_enabled') === TRUE) && ($this->cacheInstance->offsetExists($cacheKey))) { // Purge the cache $this->cacheInstance->purgeOffset($cacheKey); } // END - if @@ -145,27 +160,37 @@ class BaseDatabaseWrapper extends BaseFrameworkSystem { * @return $resultInstance An instance of a database result class */ public function doSelectByCriteria (Criteria $criteriaInstance, array $onlyKeys = array()) { - // First get a key suitable for our cache and extend it with this class name - $cacheKey = $this->getCacheKeyByCriteria($criteriaInstance, $onlyKeys); + // Default cache key if cache is not enabled + $cacheKey = NULL; + + // Is the cache enabled? + if ($this->getConfigInstance()->getConfigEntry('database_cache_enabled') === TRUE) { + // First get a key suitable for our cache and extend it with this class name + $cacheKey = $this->getCacheKeyByCriteria($criteriaInstance, $onlyKeys); + } // END - if // Does this key exists in cache? if (($this->getConfigInstance()->getConfigEntry('database_cache_enabled') === TRUE) && ($this->cacheInstance->offsetExists($cacheKey, BaseDatabaseBackend::RESULT_INDEX_ROWS, 1))) { // Debug message - /* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('BASE-WRAPPER: Cache used for cacheKey=' . $cacheKey . ':' . print_r($this->cacheInstance->offsetGet($cacheKey), TRUE)); + //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('BASE-WRAPPER: Cache used for cacheKey=' . $cacheKey . ':' . print_r($this->cacheInstance->offsetGet($cacheKey), TRUE)); // Then use this result $result = $this->cacheInstance->offsetGet($cacheKey); } else { // Debug message - /* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('BASE-WRAPPER: Quering database, cacheKey=' . $cacheKey); + //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('BASE-WRAPPER: Quering database, cacheKey=' . $cacheKey); // Now it's time to ask the database layer for this select statement $result = $this->getDatabaseInstance()->doSelectByTableCriteria($this->getTableName(), $criteriaInstance); + //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('BASE-WRAPPER: result[]=' . gettype($result)); // Cache the result if not null if (!is_null($result)) { - // A valid result has returned from the database layer - $this->cacheInstance->offsetSet($cacheKey, $result); + // Is cache enabled? + if ($this->getConfigInstance()->getConfigEntry('database_cache_enabled') === TRUE) { + // A valid result has returned from the database layer + $this->cacheInstance->offsetSet($cacheKey, $result); + } // END - if } else { // This invalid result must be wrapped $result = array( @@ -175,7 +200,8 @@ class BaseDatabaseWrapper extends BaseFrameworkSystem { } } - // Create an instance of a DatabaseResult class with the given result + // Create an instance of a CachedDatabaseResult class with the given result + // @TODO Minor: Update above comment to e.g. BaseDatabaseResult $resultInstance = ObjectFactory::createObjectByConfiguredName('database_result_class', array($result)); // And return the instance @@ -189,7 +215,7 @@ class BaseDatabaseWrapper extends BaseFrameworkSystem { * @param $onlyKeys Only use these keys for a cache key * @return $numRows Numbers of rows of database entries */ - public function doSelectCountByCriteria (Criteria $criteriaInstance, $onlyKeys = array()) { + public function doSelectCountByCriteria (Criteria $criteriaInstance, $onlyKeys = array()) { // Total numbers is -1 so we can distinglish between failed and valid queries $numRows = 0; @@ -222,6 +248,19 @@ class BaseDatabaseWrapper extends BaseFrameworkSystem { return $primaryKey; } + /** + * Count rows of this table + * + * @return $count Count of total rows in this table + */ + public final function countTotalRows () { + // Get the table name and a database instance and ask for it + $count = $this->getDatabaseInstance()->countTotalRows($this->getTableName()); + + // Return value + return $count; + } + /** * Removes non-public data from given array. * @@ -229,10 +268,10 @@ class BaseDatabaseWrapper extends BaseFrameworkSystem { * @return $data A cleaned up array with only public data. */ public function removeNonPublicDataFromArray (array $data) { - /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('WRAPPER[' . $this->__toString() . ']: Calling this->getDatabaseInstance()->removeNonPublicDataFromArray(data) ...'); + //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('WRAPPER[' . $this->__toString() . ']: Calling this->getDatabaseInstance()->removeNonPublicDataFromArray(data) ...'); $data = $this->getDatabaseInstance()->removeNonPublicDataFromArray($data); - /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('WRAPPER[' . $this->__toString() . ']: data[]=' . gettype($data)); + //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('WRAPPER[' . $this->__toString() . ']: data[]=' . gettype($data)); return $data; } }