本文整理汇总了PHP中xPDO::fromCache方法的典型用法代码示例。如果您正苦于以下问题：PHP xPDO::fromCache方法的具体用法？PHP xPDO::fromCache怎么用？PHP xPDO::fromCache使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类xPDO的用法示例。
在下文中一共展示了xPDO::fromCache方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: loadCollection
/**
* Custom collection loader that forces access policy checking.
*
* {@inheritdoc}
*/
public static function loadCollection(xPDO &$xpdo, $className, $criteria = null, $cacheFlag = true)
{
$objCollection = array();
if (!($className = $xpdo->loadClass($className))) {
return $objCollection;
}
$rows = false;
$fromCache = false;
$collectionCaching = (int) $xpdo->getOption(xPDO::OPT_CACHE_DB_COLLECTIONS, array(), 1);
if (!is_object($criteria)) {
$criteria = $xpdo->getCriteria($className, $criteria, $cacheFlag);
}
if (is_object($criteria)) {
if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag) {
$rows = $xpdo->fromCache($criteria, $className);
$fromCache = is_array($rows) && !empty($rows);
}
if (!$fromCache) {
$rows = xPDOObject::_loadRows($xpdo, $className, $criteria);
}
$cacheRows = array();
if (is_array($rows)) {
foreach ($rows as $row) {
if (modAccessibleObject::_loadCollectionInstance($xpdo, $objCollection, $className, $criteria, $row, $fromCache, $cacheFlag)) {
if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag && !$fromCache) {
$cacheRows[] = $row;
}
}
}
} elseif (is_object($rows)) {
while ($row = $rows->fetch(PDO::FETCH_ASSOC)) {
if (modAccessibleObject::_loadCollectionInstance($xpdo, $objCollection, $className, $criteria, $row, $fromCache, $cacheFlag)) {
if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag && !$fromCache) {
$cacheRows[] = $row;
}
}
}
}
if (!$fromCache && $xpdo->_cacheEnabled && $collectionCaching > 0 && $cacheFlag && !empty($cacheRows)) {
$xpdo->toCache($criteria, $cacheRows, $cacheFlag);
}
} else {
$xpdo->log(xPDO::LOG_LEVEL_ERROR, 'modAccessibleObject::loadCollection() - No valid statement could be found in or generated from the given criteria.');
}
return $objCollection;
}示例2: loadCollectionGraph
/**
* Load a collection of xPDOObject instances and a graph of related objects.
*
* @static
* @param xPDO &$xpdo A valid xPDO instance.
* @param string $className Name of the class.
* @param string|array $graph A related object graph in array or JSON
* format, e.g. array('relationAlias'=>array('subRelationAlias'=>array()))
* or {"relationAlias":{"subRelationAlias":{}}}. Note that the empty arrays
* are necessary in order for the relation to be recognized.
* @param mixed $criteria A valid primary key, criteria array, or xPDOCriteria instance.
* @param boolean|integer $cacheFlag Indicates if the objects should be
* cached and optionally, by specifying an integer value, for how many
* seconds.
* @return array An array of xPDOObject instances or an empty array if no instances are loaded.
*/
public static function loadCollectionGraph(xPDO &$xpdo, $className, $graph, $criteria, $cacheFlag)
{
$objCollection = array();
if ($query = $xpdo->newQuery($className, $criteria, $cacheFlag)) {
$query = $xpdo->addDerivativeCriteria($className, $query);
$query->bindGraph($graph);
$rows = array();
$fromCache = false;
$collectionCaching = (int) $xpdo->getOption(xPDO::OPT_CACHE_DB_COLLECTIONS, array(), 1);
if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag) {
$rows = $xpdo->fromCache($query);
$fromCache = !empty($rows);
}
if (!$fromCache) {
if ($query->prepare()) {
$tstart = microtime(true);
if ($query->stmt->execute()) {
$xpdo->queryTime += microtime(true) - $tstart;
$xpdo->executedQueries++;
$objCollection = $query->hydrateGraph($query->stmt, $cacheFlag);
} else {
$xpdo->queryTime += microtime(true) - $tstart;
$xpdo->executedQueries++;
$xpdo->log(xPDO::LOG_LEVEL_ERROR, "Error {$query->stmt->errorCode()} executing query: {$query->sql} - " . print_r($query->stmt->errorInfo(), true));
}
} else {
$xpdo->log(xPDO::LOG_LEVEL_ERROR, "Error {$xpdo->errorCode()} preparing statement: {$query->sql} - " . print_r($xpdo->errorInfo(), true));
}
} elseif (!empty($rows)) {
$objCollection = $query->hydrateGraph($rows, $cacheFlag);
}
}
return $objCollection;
}示例3: loadCollection
/**
* Custom collection loader that forces access policy checking.
*
* {@inheritdoc}
*/
public static function loadCollection(xPDO & $xpdo, $className, $criteria= null, $cacheFlag= true) {
$objCollection= array ();
$fromCache = false;
if (!$className= $xpdo->loadClass($className)) return $objCollection;
$rows= false;
$fromCache= false;
$collectionCaching = (integer) $xpdo->getOption(xPDO::OPT_CACHE_DB_COLLECTIONS, array(), 1);
if (!is_object($criteria)) {
$criteria= $xpdo->getCriteria($className, $criteria, $cacheFlag);
}
if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag) {
$rows= $xpdo->fromCache($criteria);
$fromCache = (is_array($rows) && !empty($rows));
}
if (!$fromCache && is_object($criteria)) {
$rows= xPDOObject :: _loadRows($xpdo, $className, $criteria);
}
if (is_array ($rows)) {
foreach ($rows as $row) {
modAccessibleObject :: _loadCollectionInstance($xpdo, $objCollection, $className, $criteria, $row, $fromCache, $cacheFlag);
}
} elseif (is_object($rows)) {
$cacheRows = array();
while ($row = $rows->fetch(PDO::FETCH_ASSOC)) {
modAccessibleObject :: _loadCollectionInstance($xpdo, $objCollection, $className, $criteria, $row, $fromCache, $cacheFlag);
if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag && !$fromCache) $cacheRows[] = $row;
}
if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag && !$fromCache) $rows =& $cacheRows;
}
if (!$fromCache && $xpdo->_cacheEnabled && $collectionCaching > 0 && $cacheFlag && !empty($rows)) {
$xpdo->toCache($criteria, $rows, $cacheFlag);
}
return $objCollection;
}示例4: loadCollectionGraph
/**
* Load a collection of xPDOObject instances and a graph of related objects.
*
* @static
* @param xPDO &$xpdo A valid xPDO instance.
* @param string $className Name of the class.
* @param string|array $graph A related object graph in array or JSON
* format, e.g. array('relationAlias'=>array('subRelationAlias'=>array()))
* or {"relationAlias":{"subRelationAlias":{}}}. Note that the empty arrays
* are necessary in order for the relation to be recognized.
* @param mixed $criteria A valid primary key, criteria array, or xPDOCriteria instance.
* @param boolean|integer $cacheFlag Indicates if the objects should be
* cached and optionally, by specifying an integer value, for how many
* seconds.
* @return array An array of xPDOObject instances or an empty array if no instances are loaded.
*/
public static function loadCollectionGraph(xPDO &$xpdo, $className, $graph, $criteria, $cacheFlag)
{
$objCollection = array();
if ($query = $xpdo->newQuery($className, $criteria, $cacheFlag)) {
$query->bindGraph($graph);
$fromCache = false;
$collectionCaching = (int) $xpdo->getOption(xPDO::OPT_CACHE_DB_COLLECTIONS, array(), 1);
if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag) {
$rows = $xpdo->fromCache($criteria);
$fromCache = !empty($rows);
}
if (!$fromCache && ($stmt = $query->prepare())) {
if ($stmt->execute()) {
$objCollection = $query->hydrateGraph($stmt, $cacheFlag);
}
} else {
$objCollection = $query->hydrateGraph($rows, $cacheFlag);
}
}
return $objCollection;
}