Collaboration diagram for ilGlobalCacheDBLayer:

Public Member Functions
	getWhere ($field, $value, $case_sensitive=true)

	filter (array $data, $field, $value, $case_sensitive=true, $strip=true)

	where ($field, $value, $case_sensitive=true)

	get ($strip=true)

	setCachedResults ($cached_results)

	getCachedResults ()

	setRawData ($raw_data)

	getRawData ()

	setTableName ($table_name)

	getTableName ()

	setLoaded ($loaded)

	getLoaded ()

	setComponent ($component)

	getComponent ()

	setTtl ($ttl)

	getTtl ()

Static Public Member Functions
static	getInstance ($component, $table_name)

Protected Member Functions
	__construct ($component, $table_name, $ttl=NULL)

	readFromCache ()

	writeToCache ()

	updateCachedResults ()

Protected Attributes
	$component = ''

	$loaded = false

	$table_name = ''

	$raw_data = array()

	$cached_results = array()

	$ttl = NULL

	$global_cache

	$wheres = array()

Static Protected Attributes
static	$instances = array()

Detailed Description

Class ilGlobalCacheDBLayer.

Author: Fabian Schmid fs@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch

Version: 1.0.0

Definition at line 10 of file class.ilGlobalCacheDBLayer.php.

Constructor & Destructor Documentation

◆ __construct()

ilGlobalCacheDBLayer::__construct	(	$component,
		$table_name,
		$ttl = `NULL`
	)

protected

Parameters

	$component
	$table_name
int	$ttl

Definition at line 55 of file class.ilGlobalCacheDBLayer.php.

References $component, $table_name, $ttl, ilGlobalCache\getInstance(), getLoaded(), readFromCache(), setComponent(), setLoaded(), setTableName(), setTtl(), and writeToCache().

                                                                              {
                 $this->setTtl($ttl);
                 $this->setComponent($component);
                 $this->setTableName($table_name);
                 $this->global_cache = ilGlobalCache::getInstance($component);
                 $this->readFromCache();
                 if (! $this->getLoaded()) {
                         $this->readFromDB();
                         $this->writeToCache();
                         $this->setLoaded(true);
                 }
         }

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Member Function Documentation

◆ filter()

ilGlobalCacheDBLayer::filter	(	array	$data,
			$field,
			$value,
			$case_sensitive = `true`,
			$strip = `true`
	)

Parameters

array	$data
	$field
	$value
bool	$case_sensitive
bool	$strip

Returns: array

Definition at line 128 of file class.ilGlobalCacheDBLayer.php.

References $result, getTableName(), and updateCachedResults().

Referenced by get(), and getWhere().

                                                                                                    {
                 if (is_array($value)) {
                         $index = md5(serialize($value)) . $case_sensitive;
                 } else {
                         $index = $value . $case_sensitive;
                 }
                 if (isset($this->cached_results[$this->getTableName()][$field][$index])) {
                         return $this->cached_results[$this->getTableName()][$field][$index];
                 }
                 $result = array();
                 foreach ($data as $dat) {
                         if ($case_sensitive) {
                                 if (is_array($value)) {
                                         if (in_array($dat->{$field}, $value)) {
                                                 $result[] = $dat;
                                         }
                                 } elseif ($dat->{$field} == $value) {
 
                                         $result[] = $dat;
                                 }
                         } else {
                                 if (is_array($value)) {
                                         if (preg_grep("/" . $dat->{$field} . "/i", $value)) {
                                                 $result[] = $dat;
                                         }
                                 } elseif (strcasecmp($dat->{$field}, $value) == 0) {
                                         $result[] = $dat;
                                 }
                         }
                 }
                 if (count($result) == 1 AND $strip) {
                         $result = $result[0];
                 }
 
                 $this->cached_results[$this->getTableName()][$field][$index] = $result;
                 $this->updateCachedResults();
 
                 return $result;
         }

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◆ get()

ilGlobalCacheDBLayer::get ( $strip = true )

Parameters

bool $strip

Returns: array

Definition at line 197 of file class.ilGlobalCacheDBLayer.php.

References $result, filter(), and getRawData().

                                            {
                 $result = $this->getRawData();
                 foreach ($this->wheres as $ilGcDbWhere) {
                         $result = $this->filter($result, $ilGcDbWhere->getField(), $ilGcDbWhere->getValue(), $ilGcDbWhere->getCaseSensitive(), false);
                 }
 
                 if (count($result) == 1 AND $strip) {
                         //                      echo '<pre>' . print_r($result, 1) . '</pre>';
                         $result = $result[0];
                 }
 
                 return $result;
         }

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◆ getCachedResults()

ilGlobalCacheDBLayer::getCachedResults ( )

Returns: array

Definition at line 238 of file class.ilGlobalCacheDBLayer.php.

References $cached_results.

Referenced by updateCachedResults().

                                            {
                 return $this->cached_results;
         }

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◆ getComponent()

ilGlobalCacheDBLayer::getComponent ( )

Returns: string

Definition at line 302 of file class.ilGlobalCacheDBLayer.php.

References $component.

                                        {
                 return $this->component;
         }

◆ getInstance()

static ilGlobalCacheDBLayer::getInstance	(	$component,
		$table_name
	)

static

Parameters

$component
$table_name

Returns: ilGlobalCacheDBLayer

Definition at line 218 of file class.ilGlobalCacheDBLayer.php.

References $component, and $table_name.

                                                                     {
                 if (! isset(self::$instances[$component . $table_name])) {
                         self::$instances[$component . $table_name] = new self($component, $table_name);
                 }
 
                 return self::$instances[$component . $table_name];
         }

◆ getLoaded()

ilGlobalCacheDBLayer::getLoaded ( )

Returns: boolean

Definition at line 286 of file class.ilGlobalCacheDBLayer.php.

References $loaded.

Referenced by __construct().

                                     {
                 return $this->loaded;
         }

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◆ getRawData()

ilGlobalCacheDBLayer::getRawData ( )

Returns: array

Definition at line 254 of file class.ilGlobalCacheDBLayer.php.

References $raw_data.

Referenced by get(), getWhere(), and writeToCache().

                                      {
                 return $this->raw_data;
         }

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◆ getTableName()

ilGlobalCacheDBLayer::getTableName ( )

Returns: string

Definition at line 270 of file class.ilGlobalCacheDBLayer.php.

References $table_name.

Referenced by filter(), readFromCache(), updateCachedResults(), and writeToCache().

                                        {
                 return $this->table_name;
         }

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◆ getTtl()

ilGlobalCacheDBLayer::getTtl ( )

Returns: int

Definition at line 318 of file class.ilGlobalCacheDBLayer.php.

References $ttl.

Referenced by writeToCache().

                                  {
                 return $this->ttl;
         }

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◆ getWhere()

ilGlobalCacheDBLayer::getWhere	(	$field,
		$value,
		$case_sensitive = `true`
	)

Parameters

	$field
	$value
bool	$case_sensitive

Returns: array

Definition at line 112 of file class.ilGlobalCacheDBLayer.php.

References filter(), and getRawData().

                                                                          {
                 return $this->filter($this->getRawData(), $field, $value, $case_sensitive);
         }

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◆ readFromCache()

ilGlobalCacheDBLayer::readFromCache ( )

protected

Definition at line 69 of file class.ilGlobalCacheDBLayer.php.

References $cached_results, $data, getTableName(), setCachedResults(), setLoaded(), and setRawData().

Referenced by __construct().

                                            {
                 if ($this->global_cache->isActive()) {
                         $data = $this->global_cache->get($this->getTableName() . '_raw_data');
                         $cached_results = $this->global_cache->get($this->getTableName() . '_cached_results');
                         if (is_array($data)) {
                                 $this->setRawData($data);
                                 $this->setCachedResults($cached_results);
                                 $this->setLoaded(true);
                         }
                 }
         }

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◆ setCachedResults()

ilGlobalCacheDBLayer::setCachedResults ( $cached_results )

Parameters

array $cached_results

Definition at line 230 of file class.ilGlobalCacheDBLayer.php.

References $cached_results.

Referenced by readFromCache().

                                                           {
                 $this->cached_results = $cached_results;
         }

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◆ setComponent()

ilGlobalCacheDBLayer::setComponent ( $component )

Parameters

string $component

Definition at line 294 of file class.ilGlobalCacheDBLayer.php.

References $component.

Referenced by __construct().

                                                  {
                 $this->component = $component;
         }

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◆ setLoaded()

ilGlobalCacheDBLayer::setLoaded ( $loaded )

Parameters

boolean $loaded

Definition at line 278 of file class.ilGlobalCacheDBLayer.php.

References $loaded.

Referenced by __construct(), and readFromCache().

                                            {
                 $this->loaded = $loaded;
         }

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◆ setRawData()

ilGlobalCacheDBLayer::setRawData ( $raw_data )

Parameters

array $raw_data

Definition at line 246 of file class.ilGlobalCacheDBLayer.php.

References $raw_data.

Referenced by readFromCache(), and writeToCache().

                                               {
                 $this->raw_data = $raw_data;
         }

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◆ setTableName()

ilGlobalCacheDBLayer::setTableName ( $table_name )

Parameters

string $table_name

Definition at line 262 of file class.ilGlobalCacheDBLayer.php.

References $table_name.

Referenced by __construct().

                                                   {
                 $this->table_name = $table_name;
         }

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◆ setTtl()

ilGlobalCacheDBLayer::setTtl ( $ttl )

Parameters

int $ttl

Definition at line 310 of file class.ilGlobalCacheDBLayer.php.

References $ttl.

Referenced by __construct().

                                      {
                 $this->ttl = $ttl;
         }

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◆ updateCachedResults()

ilGlobalCacheDBLayer::updateCachedResults ( )

protected

Definition at line 169 of file class.ilGlobalCacheDBLayer.php.

References getCachedResults(), and getTableName().

Referenced by filter(), and writeToCache().

                                                  {
                 $this->global_cache->set($this->getTableName() . '_cached_results', $this->getCachedResults());
         }

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◆ where()

ilGlobalCacheDBLayer::where	(	$field,
		$value,
		$case_sensitive = `true`
	)

Parameters

	$field
	$value
bool	$case_sensitive

Returns: $this

Definition at line 181 of file class.ilGlobalCacheDBLayer.php.

                                                                       {
                 $ilGcDbWhere = new ilGcDbWhere();
                 $ilGcDbWhere->setField($field);
                 $ilGcDbWhere->setValue($value);
                 $ilGcDbWhere->setCaseSensitive($case_sensitive);
                 $this->wheres[] = $ilGcDbWhere;
 
                 return $this;
         }

◆ writeToCache()

ilGlobalCacheDBLayer::writeToCache ( )

protected

Definition at line 82 of file class.ilGlobalCacheDBLayer.php.

References $ilDB, $raw_data, $res, getRawData(), getTableName(), getTtl(), setRawData(), and updateCachedResults().

Referenced by __construct().

                                           {
                 if ($this->global_cache->isActive()) {
                         $this->global_cache->set($this->getTableName() . '_raw_data', $this->getRawData(), $this->getTtl());
                         $this->updateCachedResults();
                 }
         }