ilGlobalCache Class Reference

Class ilGlobalCache. More...

Collaboration diagram for ilGlobalCache:

Public Member Functions
	isValid ($key)
	isInstallable ()
	isCacheServiceInstallable ()
	getInstallationFailureReason ()
	exists ($key)
	set ($key, $value, $ttl=NULL)
	get ($key)
	delete ($key)
	flush ($complete=false)
	getInfo ()
	setServiceid ($service_id)
	getServiceid ()
	setComponent ($component)
	getComponent ()
	setActive ($active)
	getActive ()
	setServiceType ($service_type)
	getServiceType ()

Static Public Member Functions
static	getInstance ($component)
static	getAllInstallableTypes ()
static	getAllTypes ()

Data Fields
const	MSG = 'Global Cache not active, can not access cache'
const	ACTIVE = true
const	TYPE_STATIC = 0
const	TYPE_XCACHE = 1
const	TYPE_MEMCACHED = 2
const	TYPE_APC = 3
const	TYPE_FALLBACK = self::TYPE_STATIC
const	COMP_CLNG = 'clng'
const	COMP_OBJ_DEF = 'obj_def'
const	COMP_TEMPLATE = 'tpl'
const	COMP_ILCTRL = 'ilctrl'
const	COMP_PLUGINS = 'plugins'
const	COMP_COMPONENT = 'comp'
const	COMP_RBAC_UA = 'rbac_ua'
const	COMP_EVENTS = 'events'

Protected Member Functions
	__construct ($service_type_id, $component=NULL)

Static Protected Member Functions
static	generateServiceId ()
static	lookupServiceName ($type_id)

Protected Attributes
	$global_cache
	$service_id = ''
	$component
	$active = true
	$service_type = ilGlobalCache::TYPE_STATIC

Static Protected Attributes
static	$types
static	$active_components
static	$type_per_component = array()
static	$unique_service_id = NULL
static	$instances

Detailed Description

Class ilGlobalCache.

Author

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

Version

1.0.0

Definition at line 13 of file class.ilGlobalCache.php.

Constructor & Destructor Documentation

__construct()

ilGlobalCache::__construct (   $service_type_id,   $component = NULL  )

protected

Parameters

$service_type_id
$component

Definition at line 186 of file class.ilGlobalCache.php.

                                                                            {
                $this->setComponent($component);
                $this->setServiceid(self::generateServiceId());
                $this->setActive(in_array($component, self::$active_components));
                $serviceName = self::lookupServiceName($service_type_id);
                $this->global_cache = new $serviceName($this->getServiceid(), $this->getComponent());
                $this->global_cache->setServiceType($service_type_id);
        }

References $component, getComponent(), getServiceid(), lookupServiceName(), setActive(), setComponent(), and setServiceid().

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Member Function Documentation

delete()

ilGlobalCache::delete

(

$key

)

Parameters

$key

Exceptions

RuntimeException

Returns

bool

Definition at line 344 of file class.ilGlobalCache.php.

                                     {
                if (!$this->isActive()) {
 
                        return false;
                        throw new RuntimeException(self::MSG);
                }
 
                return $this->global_cache->delete($key);
        }

exists()

ilGlobalCache::exists

(

$key

)

Parameters

$key

Exceptions

RuntimeException

Returns

bool

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

                                     {
                if (!$this->global_cache->isActive()) {
                        return false;
                }
 
                return $this->global_cache->exists($key);
        }

flush()

ilGlobalCache::flush

(

$complete = false

)

Parameters

bool

$complete

Returns

bool

Exceptions

RuntimeException

Definition at line 361 of file class.ilGlobalCache.php.

                                                 {
                if ($this->global_cache->isActive()) {
                        if ($complete) {
                                return $this->global_cache->flush();
                        } else {
                                $this->global_cache->setInvalid();
                        }
                }
 
                return false;
        }

generateServiceId()

static ilGlobalCache::generateServiceId ( )

staticprotected

Returns

string

Definition at line 130 of file class.ilGlobalCache.php.

                                                      {
                if (!isset(self::$unique_service_id)) {
                        self::$unique_service_id = substr(md5('il_' . CLIENT_ID), 0, 6);
                }
 
                return self::$unique_service_id;
        }

References $unique_service_id.

get()

ilGlobalCache::get

(

$key

)

Parameters

$key

Exceptions

RuntimeException

Returns

mixed

Definition at line 319 of file class.ilGlobalCache.php.

                                  {
                if (!$this->isActive()) {
                        return false;
                }
                $unserialized_return = $this->global_cache->unserialize($this->global_cache->get($key));
                if ($unserialized_return) {
 
                        if ($this->global_cache->isValid($key)) {
 
                                return $unserialized_return;
                        } else {
                                //                              var_dump($key); // FSX
                        }
                }
 
                return NULL;
        }

getActive()

ilGlobalCache::getActive

(

)

Returns

boolean

Definition at line 422 of file class.ilGlobalCache.php.

                                    {
                return $this->active;
        }

References $active.

getAllInstallableTypes()

static ilGlobalCache::getAllInstallableTypes ( )

static

Returns

ilGlobalCache[]

Definition at line 156 of file class.ilGlobalCache.php.

                                                        {
                $types = array();
                foreach (self::getAllTypes() as $type) {
                        if ($type->isCacheServiceInstallable()) {
                                $types[] = $type;
                        }
                }
 
                return $types;
        }

References $types.

getAllTypes()

static ilGlobalCache::getAllTypes ( )

static

Returns

ilGlobalCache[]

Definition at line 171 of file class.ilGlobalCache.php.

                                             {
                $types = array();
                foreach (self::$types as $type) {
                        $obj = new self($type);
                        $types[$type] = $obj;
                }
 
                return $types;
        }

References $types.

getComponent()

ilGlobalCache::getComponent

(

)

Returns

string

Definition at line 406 of file class.ilGlobalCache.php.

                                       {
                return $this->component;
        }

References $component.

Referenced by __construct().

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getInfo()

ilGlobalCache::getInfo

(

)

Definition at line 374 of file class.ilGlobalCache.php.

                                  {
                return $this->global_cache->getInfo();
        }

getInstallationFailureReason()

ilGlobalCache::getInstallationFailureReason

(

)

Returns

string

Definition at line 275 of file class.ilGlobalCache.php.

                                                       {
                return $this->global_cache->getInstallationFailureReason();
        }

getInstance()

static ilGlobalCache::getInstance (   $component )

static

Parameters

null

$component

Returns

ilGlobalCache

Definition at line 115 of file class.ilGlobalCache.php.

                                                       {
                if (!isset(self::$instances[$component])) {
                        $service_type = self::getComponentType($component);
                        $ilGlobalCache = new self($service_type, $component);
 
                        self::$instances[$component] = $ilGlobalCache;
                }
 
                return self::$instances[$component];
        }

References $component, and $service_type.

Referenced by ilGlobalCacheDBLayer\__construct(), ilCachedComponentData\__construct(), ilCachedCtrl\__construct(), ilCachedComponentData\__destruct(), ilCachedComponentData\flush(), ilCachedCtrl\flush(), ilGlobalCacheQueryWrapper\get(), ilCachedComponentData\getInstance(), ilCachedCtrl\getInstance(), ilAppEventHandler\initListeners(), ilCachedCtrl\isActive(), and ilObjectDefinition\readDefinitionData().

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getServiceid()

ilGlobalCache::getServiceid

(

)

Returns

string

Definition at line 390 of file class.ilGlobalCache.php.

                                       {
                return $this->service_id;
        }

References $service_id.

Referenced by __construct().

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getServiceType()

ilGlobalCache::getServiceType

(

)

Returns

int

Definition at line 438 of file class.ilGlobalCache.php.

                                         {
                return $this->global_cache->getServiceType();
        }

isCacheServiceInstallable()

ilGlobalCache::isCacheServiceInstallable

(

)

Returns

bool

Definition at line 267 of file class.ilGlobalCache.php.

                                                    {
                return $this->global_cache->isInstallable();
        }

isInstallable()

ilGlobalCache::isInstallable

(

)

Returns

bool

Definition at line 259 of file class.ilGlobalCache.php.

                                        {
                return count(self::getAllInstallableTypes()) > 0;
        }

isValid()

ilGlobalCache::isValid

(

$key

)

Parameters

$key

Returns

bool

Definition at line 251 of file class.ilGlobalCache.php.

                                      {
                return $this->global_cache->isValid($key);
        }

lookupServiceName()

static ilGlobalCache::lookupServiceName (   $type_id )

staticprotected

Parameters

$type_id

Returns

string

Definition at line 201 of file class.ilGlobalCache.php.

                                                              {
                switch ($type_id) {
                        case self::TYPE_APC:
                                return 'ilApc';
                                break;
                        case self::TYPE_MEMCACHED:
                                return 'ilMemcache';
                                break;
                        case self::TYPE_XCACHE:
                                return 'ilXcache';
                                break;
                        default:
                                return 'ilStaticCache';
                                break;
                }
        }

References TYPE_APC, TYPE_MEMCACHED, and TYPE_XCACHE.

Referenced by __construct().

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set()

ilGlobalCache::set	(		$key,
			$value,
			$ttl = NULL
	)

Parameters

	$key
	$value
null	$ttl

Exceptions

RuntimeException

Returns

bool

Definition at line 303 of file class.ilGlobalCache.php.

                                                       {
                if (!$this->isActive()) {
                        return false;
                }
                $this->global_cache->setValid($key);
 
                return $this->global_cache->set($key, $this->global_cache->serialize($value), $ttl);
        }

setActive()

ilGlobalCache::setActive

(

$active

)

Parameters

boolean

$active

Definition at line 414 of file class.ilGlobalCache.php.

                                           {
                $this->active = $active;
        }

References $active.

Referenced by __construct().

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setComponent()

ilGlobalCache::setComponent

(

$component

)

Parameters

string

$component

Definition at line 398 of file class.ilGlobalCache.php.

                                                 {
                $this->component = $component;
        }

References $component.

Referenced by __construct().

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setServiceid()

ilGlobalCache::setServiceid

(

$service_id

)

Parameters

string

$service_id

Definition at line 382 of file class.ilGlobalCache.php.

                                                  {
                $this->service_id = $service_id;
        }

References $service_id.

Referenced by __construct().

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setServiceType()

ilGlobalCache::setServiceType

(

$service_type

)

Parameters

int

$service_type

Definition at line 430 of file class.ilGlobalCache.php.

                                                      {
                $this->global_cache->setServiceType($service_type);
        }

References $service_type.

Field Documentation

$active

ilGlobalCache::$active = true

protected

Definition at line 78 of file class.ilGlobalCache.php.

Referenced by getActive(), and setActive().

$active_components

ilGlobalCache::$active_components

staticprotected

Initial value:

= array(
                self::COMP_CLNG,
                self::COMP_OBJ_DEF,
                self::COMP_ILCTRL,
                self::COMP_COMPONENT,
                self::COMP_TEMPLATE,
                self::COMP_EVENTS,
                
        )

Definition at line 42 of file class.ilGlobalCache.php.

$component

ilGlobalCache::$component

protected

Definition at line 74 of file class.ilGlobalCache.php.

Referenced by __construct(), getComponent(), getInstance(), and setComponent().

$global_cache

ilGlobalCache::$global_cache

protected

Definition at line 66 of file class.ilGlobalCache.php.

$instances

ilGlobalCache::$instances

staticprotected

Definition at line 62 of file class.ilGlobalCache.php.

$service_id

ilGlobalCache::$service_id = ''

protected

Definition at line 70 of file class.ilGlobalCache.php.

Referenced by getServiceid(), and setServiceid().

$service_type

ilGlobalCache::$service_type = ilGlobalCache::TYPE_STATIC

protected

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

Referenced by getInstance(), and setServiceType().

$type_per_component

ilGlobalCache::$type_per_component = array()

staticprotected

Definition at line 54 of file class.ilGlobalCache.php.

$types

ilGlobalCache::$types

staticprotected

Initial value:

= array(
                
                
                self::TYPE_APC,
                self::TYPE_STATIC
        )

Definition at line 33 of file class.ilGlobalCache.php.

Referenced by getAllInstallableTypes(), and getAllTypes().

$unique_service_id

ilGlobalCache::$unique_service_id = NULL

staticprotected

Definition at line 58 of file class.ilGlobalCache.php.

Referenced by generateServiceId().

ACTIVE

const ilGlobalCache::ACTIVE = true

Definition at line 16 of file class.ilGlobalCache.php.

COMP_CLNG

const ilGlobalCache::COMP_CLNG = 'clng'

Definition at line 22 of file class.ilGlobalCache.php.

COMP_COMPONENT

const ilGlobalCache::COMP_COMPONENT = 'comp'

Definition at line 27 of file class.ilGlobalCache.php.

Referenced by ilCachedComponentData\__construct(), ilCachedComponentData\__destruct(), ilCachedComponentData\flush(), ilCachedComponentData\getInstance(), and ilObjectDefinition\readDefinitionData().

COMP_EVENTS

const ilGlobalCache::COMP_EVENTS = 'events'

Definition at line 29 of file class.ilGlobalCache.php.

Referenced by ilAppEventHandler\initListeners().

COMP_ILCTRL

const ilGlobalCache::COMP_ILCTRL = 'ilctrl'

Definition at line 25 of file class.ilGlobalCache.php.

Referenced by ilCachedCtrl\__construct(), ilCachedCtrl\flush(), ilCachedCtrl\getInstance(), and ilCachedCtrl\isActive().

COMP_OBJ_DEF

const ilGlobalCache::COMP_OBJ_DEF = 'obj_def'

Definition at line 23 of file class.ilGlobalCache.php.

COMP_PLUGINS

const ilGlobalCache::COMP_PLUGINS = 'plugins'

Definition at line 26 of file class.ilGlobalCache.php.

COMP_RBAC_UA

const ilGlobalCache::COMP_RBAC_UA = 'rbac_ua'

Definition at line 28 of file class.ilGlobalCache.php.

COMP_TEMPLATE

const ilGlobalCache::COMP_TEMPLATE = 'tpl'

Definition at line 24 of file class.ilGlobalCache.php.

MSG

const ilGlobalCache::MSG = 'Global Cache not active, can not access cache'

Definition at line 15 of file class.ilGlobalCache.php.

TYPE_APC

const ilGlobalCache::TYPE_APC = 3

Definition at line 20 of file class.ilGlobalCache.php.

Referenced by lookupServiceName().

TYPE_FALLBACK

const ilGlobalCache::TYPE_FALLBACK = self::TYPE_STATIC

Definition at line 21 of file class.ilGlobalCache.php.

TYPE_MEMCACHED

const ilGlobalCache::TYPE_MEMCACHED = 2

Definition at line 19 of file class.ilGlobalCache.php.

Referenced by lookupServiceName().

TYPE_STATIC

const ilGlobalCache::TYPE_STATIC = 0

Definition at line 17 of file class.ilGlobalCache.php.

TYPE_XCACHE

const ilGlobalCache::TYPE_XCACHE = 1

Definition at line 18 of file class.ilGlobalCache.php.

Referenced by lookupServiceName().

---

The documentation for this class was generated from the following file:

• Services/GlobalCache/classes/class.ilGlobalCache.php