// Import SPL stuff
use \InvalidArgumentException;
use \SplFileInfo;
+use \UnexpectedValueException;
/**
* Database backend class for storing objects in locally created files.
*/
private $indexKey = '__idx';
+ /**
+ * Cached file names based on table name to avoid "expensive" invocations
+ * of FrameworkConfiguration->getConfigEntry().
+ */
+ private $pathNames = [];
+
/**
* The protected constructor. Do never instance from outside! You need to
* set a local file path. The class will then validate it.
if (empty($tableName)) {
// Throw IAE
throw new InvalidArgumentException('Parameter "tableName" is empty');
+ } 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;
}
// The result is null by any errors
$resultData = NULL;
- // Create full path name
- $pathName = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('local_database_path') . $tableName . DIRECTORY_SEPARATOR;
-
/*
* A 'select' query is not that easy on local files, so first try to
* find the 'table' which is in fact a directory on the server
*/
try {
// Get a directory pointer instance
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: Getting directory_class for pathName=%s ...', $pathName));
- $directoryInstance = ObjectFactory::createObjectByConfiguredName('directory_class', array($pathName));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: 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
$resultData = [
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: data[]=%d', count($dataArray)));
foreach ($dataArray as $key => $value) {
// Found one entry?
- $isFound = (($isFound === true) && ($searchInstance->isCriteriaMatching($key, $value)));
+ $isFound = ($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__)->debugOutput(sprintf('CACHED-LFDB: 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', $searchInstance->getSkip()));
- if ($searchInstance->getSkip() > 0) {
- // We shall skip some entries
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: skipFound=%s', $skipFound));
- if ($skipFound < $searchInstance->getSkip()) {
- // Skip this entry
- $skipFound++;
- break;
- }
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: searchInstance->skip=%d,skipFound=%d', $searchInstance->getSkip(), $skipFound));
+ if ($searchInstance->getSkip() > 0 && $skipFound < $searchInstance->getSkip()) {
+ // Skip this entry
+ $skipFound++;
+ break;
}
// Set id number
*
* @param $dataSetInstance An instance of a StorableCriteria class
* @return void
+ * @throws UnexpectedValueException If $tableName is empty
* @throws SqlException If an SQL error occurs
*/
public function queryUpdateDataSet (StoreableCriteria $dataSetInstance) {
- // Create full path name
- $pathName = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('local_database_path') . $dataSetInstance->getTableName() . DIRECTORY_SEPARATOR;
+ // Get table name
+ $tableName = $dataSetInstance->getTableName();
+
+ // Is "cache" there?
+ if (empty($tableName)) {
+ // Should never be an empty string
+ throw new UnexpectedValueException('Class field dataSetInstance->tableName is empty');
+ } 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
try {
// Get a file pointer instance
- $directoryInstance = ObjectFactory::createObjectByConfiguredName('directory_class', array($pathName));
+ $directoryInstance = ObjectFactory::createObjectByConfiguredName('directory_class', [$this->pathNames[$tableName]]);
// Initialize limit/skip
$limitFound = 0;
if (empty($tableName)) {
// Throw IAE
throw new InvalidArgumentException('Parameter "tableName" is empty');
+ } 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;
}
-
- // Create full path name
- $pathName = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('local_database_path') . $tableName . DIRECTORY_SEPARATOR;
-
// Try all the requests
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('CACHED-LFDB: pathName=' . $pathName);
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('CACHED-LFDB: this->pathNames[%s]=%s', $tableName, $this->pathNames[$tableName]));
try {
// Get a file pointer instance
- $directoryInstance = ObjectFactory::createObjectByConfiguredName('directory_class', array($pathName));
+ $directoryInstance = ObjectFactory::createObjectByConfiguredName('directory_class', [$this->pathNames[$tableName]]);
// Initialize counter
$count = 0;
*/
private $tableName = 'unknown';
+ /**
+ * "Cached" value 'database_cache_enabled' from configuration
+ */
+ private $databaseCacheEnabled = false;
/**
* Protected constructor
*
* @return void
*/
private final function initCacheInstance () {
+ // Set "cache" attributes
+ $this->databaseCacheEnabled = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled');
+
// Is the cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ if ($this->databaseCacheEnabled === true) {
// Set the new instance
$this->setCacheInstance(ObjectFactory::createObjectByConfiguredName('cache_class'));
}
$cacheKey = NULL;
// Is cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ if ($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 ' . $cacheKey . ' for purging ...');
// Does this key exists in cache?
//* DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: cacheKey[%s]=%s', gettype($cacheKey), $cacheKey));
- if ((FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) && ($this->getCacheInstance()->offsetExists($cacheKey))) {
+ if (($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));
$this->getCacheInstance()->purgeOffset($cacheKey);
$cacheKey = NULL;
// Is cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ if ($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 ' . $cacheKey . ' for purging ...');
}
// Does this key exists in cache?
- if ((FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) && ($this->getCacheInstance()->offsetExists($cacheKey))) {
+ if (($this->databaseCacheEnabled === true) && ($this->getCacheInstance()->offsetExists($cacheKey))) {
// Purge the cache
$this->getCacheInstance()->purgeOffset($cacheKey);
}
$result = [];
// Is the cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ if ($this->databaseCacheEnabled === true) {
// First get a key suitable for our cache and extend it with this class name
$cacheKey = $this->getCacheKeyByCriteria($criteriaInstance, $onlyKeys);
}
// Does this key exists in cache?
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: cacheKey[%s]=%s', gettype($cacheKey), $cacheKey));
- if ((FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) && ($this->getCacheInstance()->offsetExists($cacheKey, BaseDatabaseResult::RESULT_NAME_ROWS, 1))) {
+ if (($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));
$result = $this->getCacheInstance()->offsetGet($cacheKey);
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-FRONTEND: result[]=%s', gettype($result)));
if (!is_null($result)) {
// Is cache enabled?
- if (FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('database_cache_enabled') === true) {
+ 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)));
$this->getCacheInstance()->offsetSet($cacheKey, $result);
use Org\Mxchange\CoreFramework\Traits\Visitor\VisitorTrait;
use Org\Mxchange\CoreFramework\Visitor\Visitable;
+// Import SPL stuff
+use \InvalidArgumentException;
+use \UnexpectedValueException;
+
/**
* A Task handler
*
* @param $taskName A task name to register the task on
* @param $taskInstance An instance of a Taskable class
* @return void
+ * @throws InvalidArgumentException If a parameter is not valid
+ * @throws UnexpectedValueException If an unexpected value has been configured
*/
public function registerTask (string $taskName, Taskable $taskInstance) {
- // Get interval delay
+ // Is the parameter valid
+ if (empty($taskName)) {
+ // Task name cannot be empty
+ throw new InvalidArgumentException('Parameter "taskName" cannot be empty.');
+ }
+
+ // Get interval delay, startup delay and max runs
$intervalDelay = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('task_' . $taskName . '_interval_delay');
- $startupDelay = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('task_' . $taskName . '_startup_delay');
+ $startupDelay = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('task_' . $taskName . '_startup_delay');
+ $maxRuns = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('task_' . $taskName . '_max_runs');
// If the task is 'idle_loop', a deplay of zero seconds is fine
- assert($intervalDelay >= 0);
- assert(($taskName === 'idle_loop') || (($taskName != 'idle_loop') && ($intervalDelay > 0)));
- assert(($taskName === 'idle_loop') || (($taskName != 'idle_loop') && ($startupDelay > 0)));
+ if ($intervalDelay < 0) {
+ // Invalid configuration value
+ throw new UnexpectedValueException(sprintf('taskName=%s has intervalDelay=%d below zero', $taskName, $intervalDelay));
+ } elseif ($startupDelay < 0) {
+ // Invalid configuration value
+ throw new UnexpectedValueException(sprintf('taskName=%s has startupDelay=%d below zero', $taskName, $startupDelay));
+ } elseif ($maxRuns < 0) {
+ // Invalid configuration value
+ throw new UnexpectedValueException(sprintf('taskName=%s has maxRuns=%d below zero', $taskName, $maxRuns));
+ } elseif ($taskName != 'idle_loop' && $intervalDelay == 0) {
+ // Only idle_loop can have a zero interval delay
+ throw new UnexpectedValueException(sprintf('taskName=%s has zero interval delay which is only valid for "idle_loop" task', $taskName));
+ } elseif ($taskName != 'idle_loop' && $startupDelay == 0) {
+ // Only idle_loop can have a zero interval delay
+ throw new UnexpectedValueException(sprintf('taskName=%s has zero startup delay which is only valid for "idle_loop" task', $taskName));
+ }
// Create the entry
$taskEntry = [
// Interval time (delay) in milliseconds before this task is executed again
'task_interval_delay' => $intervalDelay,
// How often should this task run?
- 'task_max_runs' => FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('task_' . $taskName . '_max_runs'),
+ 'task_max_runs' => $maxRuns,
];
// Add the entry
const EXCEPTION_NO_STACKER_FOUND = 0x052;
const EXCEPTION_STACKER_IS_EMPTY = 0x053;
+ /**
+ * Array "caches" configuration entries for saving "expensive" method
+ * invocations
+ */
+ private $cachedMaxStackSizes = [];
+
/**
* Protected constructor
*
throw new AlreadyInitializedStackerException(array($this, $stackerName, $forceReInit), self::EXCEPTION_STACKER_ALREADY_INITIALIZED);
}
- // Initialize the given stack
+ // Initialize the given stack and "cache" configuration entry
$this->initGenericArrayKey('stacks', $stackerName, 'entries', $forceReInit);
+ $this->cachedMaxStackSizes[$stackerName] = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry(sprintf('stacker_%s_max_size', $stackerName));
// Trace message
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-STACKER: EXIT!');
}
// So, is the stack full?
- $isFull = (($this->getStackCount($stackerName)) == FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('stacker_' . $stackerName . '_max_size'));
+ $isFull = (($this->getStackCount($stackerName)) == $this->cachedMaxStackSizes[$stackerName]);
// Return result
//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('BASE-STACKER: isFull=%d - EXIT!', intval($isFull)));