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git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@88175 2327b42d-5241-43d6-9e2a-de5ac946f064
This commit is contained in:
Mark Baker
2012-03-21 23:55:54 +00:00
parent ffdb1966b1
commit 3d7153c7f4
16 changed files with 418 additions and 41 deletions
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Classes/PHPExcel/CachedObjectStorageFactory.php
+71 -9
View File
@@ -28,11 +28,11 @@
/**
* PHPExcel_IOFactory
* PHPExcel_CachedObjectStorageFactory
*
* @category PHPExcel
* @package PHPExcel_CachedObjectStorage
* @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
* @category PHPExcel
* @package PHPExcel_CachedObjectStorage
* @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel_CachedObjectStorageFactory
{
@@ -49,11 +49,26 @@ class PHPExcel_CachedObjectStorageFactory
const cache_to_sqlite3 = 'SQLite3';
/**
* Name of the method used for cell cacheing
*
* @var string
*/
private static $_cacheStorageMethod = NULL;
/**
* Name of the class used for cell cacheing
*
* @var string
*/
private static $_cacheStorageClass = NULL;
/**
* List of all possible cache storage methods
*
* @var string[]
*/
private static $_storageMethods = array(
self::cache_in_memory,
self::cache_in_memory_gzip,
@@ -69,6 +84,11 @@ class PHPExcel_CachedObjectStorageFactory
);
/**
* Default arguments for each cache storage method
*
* @var array of mixed array
*/
private static $_storageMethodDefaultParameters = array(
self::cache_in_memory => array(
),
@@ -97,9 +117,19 @@ class PHPExcel_CachedObjectStorageFactory
);
/**
* Arguments for the active cache storage method
*
* @var array of mixed array
*/
private static $_storageMethodParameters = array();
/**
* Return the current cache storage method
*
* @return string|NULL
**/
public static function getCacheStorageMethod()
{
if (self::$_cacheStorageMethod !== NULL) {
@@ -109,6 +139,11 @@ class PHPExcel_CachedObjectStorageFactory
} // function getCacheStorageMethod()
/**
* Return the current cache storage class
*
* @return PHPExcel_CachedObjectStorage_ICache|NULL
**/
public static function getCacheStorageClass()
{
if (self::$_cacheStorageClass !== NULL) {
@@ -118,18 +153,28 @@ class PHPExcel_CachedObjectStorageFactory
} // function getCacheStorageClass()
/**
* Return the list of all possible cache storage methods
*
* @return string[]
**/
public static function getAllCacheStorageMethods()
{
return self::$_storageMethods;
} // function getCacheStorageMethods()
/**
* Return the list of all available cache storage methods
*
* @return string[]
**/
public static function getCacheStorageMethods()
{
$activeMethods = array();
foreach(self::$_storageMethods as $storageMethod) {
$cacheStorageClass = 'PHPExcel_CachedObjectStorage_'.$storageMethod;
if (call_user_func(array($cacheStorageClass,'cacheMethodIsAvailable'))) {
$cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $storageMethod;
if (call_user_func(array($cacheStorageClass, 'cacheMethodIsAvailable'))) {
$activeMethods[] = $storageMethod;
}
}
@@ -137,6 +182,14 @@ class PHPExcel_CachedObjectStorageFactory
} // function getCacheStorageMethods()
/**
* Identify the cache storage method to use
*
* @param string $method Name of the method to use for cell cacheing
* @param array of mixed $arguments Additional arguments to pass to the cell caching class
* when instantiating
* @return boolean
**/
public static function initialize($method = self::cache_in_memory, $arguments = array())
{
if (!in_array($method,self::$_storageMethods)) {
@@ -144,7 +197,8 @@ class PHPExcel_CachedObjectStorageFactory
}
$cacheStorageClass = 'PHPExcel_CachedObjectStorage_'.$method;
if (!call_user_func(array($cacheStorageClass,'cacheMethodIsAvailable'))) {
if (!call_user_func(array( $cacheStorageClass,
'cacheMethodIsAvailable'))) {
return FALSE;
}
@@ -156,13 +210,19 @@ class PHPExcel_CachedObjectStorageFactory
}
if (self::$_cacheStorageMethod === NULL) {
self::$_cacheStorageClass = 'PHPExcel_CachedObjectStorage_'.$method;
self::$_cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $method;
self::$_cacheStorageMethod = $method;
}
return TRUE;
} // function initialize()
/**
* Initialise the cache storage
*
* @param PHPExcel_Worksheet $parent Enable cell caching for this worksheet
* @return PHPExcel_CachedObjectStorage_ICache
**/
public static function getInstance(PHPExcel_Worksheet $parent)
{
$cacheMethodIsAvailable = TRUE;
@@ -171,7 +231,9 @@ class PHPExcel_CachedObjectStorageFactory
}
if ($cacheMethodIsAvailable) {
$instance = new self::$_cacheStorageClass($parent,self::$_storageMethodParameters[self::$_cacheStorageMethod]);
$instance = new self::$_cacheStorageClass( $parent,
self::$_storageMethodParameters[self::$_cacheStorageMethod]
);
if ($instance !== NULL) {
return $instance;
}