ilMemcache Class Reference

Class ilMemcache. More...

Inheritance diagram for ilMemcache:

Collaboration diagram for ilMemcache:

Public Member Functions
	exists ($key)
	set ($key, $serialized_value, $ttl=null)
	get ($key)
	delete ($key)
	flush ()
	getInstallationFailureReason ()
	serialize ($value)
	unserialize ($serialized_value)
	getInfo ()
	isValid ($key)
Public Member Functions inherited from ilGlobalCacheService
	__construct ($service_id, $component)
	unserialize ($serialized_value)
	get ($key)
	set ($key, $serialized_value, $ttl=null)
	serialize ($value)
	getServiceId ()
	setServiceId ($service_id)
	getComponent ()
	setComponent ($component)
	isActive ()
	isInstallable ()
	returnKey ($key)
	getInfo ()
	getInstallationFailureReason ()
	exists ($key)
	delete ($key)
	flush ()
	setServiceType ($service_type)
	getServiceType ()
	setValid ($key)
	Declare a key as valid. More...
	setInvalid ($key=null)
	Set the key as invalid. More...
	isValid ($key)
	Checks whether the cache key is valid or not. More...

Protected Member Functions
	getMemcacheObject ()
	getActive ()
	getInstallable ()
Protected Member Functions inherited from ilGlobalCacheService
	getActive ()
	getInstallable ()
	getMemoryLimit ()
	getMinMemory ()
	checkMemory ()

Static Protected Attributes
static	$memcache_object
Static Protected Attributes inherited from ilGlobalCacheService
static	$active = array()
static	$installable = array()

Additional Inherited Members
Protected Attributes inherited from ilGlobalCacheService
	$current_time = 0
	$valid_keys = array()
	$service_id = ''
	$component = ''
	$service_type = ilGlobalCache::TYPE_STATIC
	$valid_key_hash = ''

Detailed Description

Class ilMemcache.

Author

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

Version

1.0.0

Definition at line 12 of file class.ilMemcache.php.

Member Function Documentation

delete()

ilMemcache::delete

(

$key

)

Parameters

$key

Returns

bool

Definition at line 104 of file class.ilMemcache.php.

References $key, getMemcacheObject(), and ilGlobalCacheService\returnKey().

    {
        return $this->getMemcacheObject()->delete($this->returnKey($key));
    }

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exists()

ilMemcache::exists

(

$key

)

Parameters

$key

Returns

bool

Definition at line 68 of file class.ilMemcache.php.

References $key, getMemcacheObject(), and ilGlobalCacheService\returnKey().

    {
        return $this->getMemcacheObject()->get($this->returnKey($key)) != null;
    }

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flush()

ilMemcache::flush

(

)

Returns

bool

Definition at line 113 of file class.ilMemcache.php.

References getMemcacheObject().

    {
        return $this->getMemcacheObject()->flush();
    }

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get()

ilMemcache::get

(

$key

)

Parameters

$key

Returns

mixed

Definition at line 93 of file class.ilMemcache.php.

References $key, getMemcacheObject(), and ilGlobalCacheService\returnKey().

    {
        return $this->getMemcacheObject()->get($this->returnKey($key));
    }

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getActive()

ilMemcache::getActive ( )

protected

Returns

bool

Definition at line 122 of file class.ilMemcache.php.

References $server, $stats, getInstallable(), and getMemcacheObject().

    {
        if ($this->getInstallable()) {
            $stats = $this->getMemcacheObject()->getStats();

            if (!is_array($stats)) {
                return false;
            }

            foreach ($stats as $server) {
                if ($server['pid'] > 0) {
                    return true;
                }
            }

            return false;
        }

        return false;
    }

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getInfo()

ilMemcache::getInfo

(

)

Returns

array

Definition at line 195 of file class.ilMemcache.php.

References $key, array, and getMemcacheObject().

    {
        if (self::isInstallable()) {
            $return = array();
            $return['__cache_info'] = $this->getMemcacheObject()->getStats();
            foreach ($this->getMemcacheObject()->getAllKeys() as $key) {
                $return[$key] = $this->getMemcacheObject()->get($key);
            }

            return $return;
        }
    }

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getInstallable()

ilMemcache::getInstallable ( )

protected

Returns

bool

Definition at line 147 of file class.ilMemcache.php.

Referenced by getActive().

    {
        return class_exists('Memcached');
    }

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getInstallationFailureReason()

ilMemcache::getInstallationFailureReason

(

)

Returns

string

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

References $stats, and getMemcacheObject().

    {
        if ($this->getMemcacheObject() instanceof Memcached) {
            $stats = $this->getMemcacheObject()->getStats();

            if (!$stats[self::STD_SERVER . ':' . self::STD_PORT]['pid'] > 0) {
                return 'No Memcached-Server available';
            }
        }

        return parent::getInstallationFailureReason();
    }

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getMemcacheObject()

ilMemcache::getMemcacheObject ( )

protected

Returns

Memcached

Definition at line 57 of file class.ilMemcache.php.

Referenced by delete(), exists(), flush(), get(), getActive(), getInfo(), getInstallationFailureReason(), and set().

    {
        return self::$memcache_object;
    }

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isValid()

ilMemcache::isValid

(

$key

)

Definition at line 212 of file class.ilMemcache.php.

    {
        return true;
    }

serialize()

ilMemcache::serialize

(

$value

)

Parameters

$value

Returns

mixed

Definition at line 175 of file class.ilMemcache.php.

    {
        return serialize($value);
    }

set()

ilMemcache::set	(		$key,
			$serialized_value,
			$ttl = null
	)

Parameters

	$key
	$serialized_value
null | int	$ttl

Returns

bool

Definition at line 81 of file class.ilMemcache.php.

References $key, getMemcacheObject(), and ilGlobalCacheService\returnKey().

    {
        return $this->getMemcacheObject()
                    ->set($this->returnKey($key), $serialized_value, (int) $ttl);
    }

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unserialize()

ilMemcache::unserialize

(

$serialized_value

)

Parameters

$serialized_value

Returns

mixed

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

    {
        return unserialize($serialized_value);
    }

Field Documentation

$memcache_object

ilMemcache::$memcache_object

staticprotected

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

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

• Services/GlobalCache/classes/Memcache/class.ilMemcache.php