Class NCache

Implements the cache for a application.

NObject

Extended by

NCache implements ArrayAccess

Package: Nette\Caching
Author: David Grudl
Located at Caching/Cache.php

Methods summary
`public`	# `__construct( ICacheStorage $storage, $namespace = NULL )`
`public ICacheStorage`	# `getStorage( )` Returns cache storage. Returns cache storage. Returns `ICacheStorage`
`public string`	# `getNamespace( )` Returns cache namespace. Returns cache namespace. Returns `string`
`public NCache`	# `derive( string $namespace )` Returns new nested cache object. Returns new nested cache object. Parameters `$namespace` `string` Returns `NCache`
`public mixed\|null`	# `load( mixed $key, callable $fallback = NULL )` Reads the specified item from the cache or generate it. Reads the specified item from the cache or generate it. Parameters `$key` `mixed` key `$fallback` `callable` Returns `mixed\|null`
`public mixed`	# `save( mixed $key, mixed $data, array $dependencies = NULL )` Writes item into the cache. Dependencies are: NCache::PRIORITY => (int) priority NCache::EXPIRATION => (timestamp) expiration NCache::SLIDING => (bool) use sliding expiration? NCache::TAGS => (array) tags NCache::FILES => (array\|string) file names NCache::ITEMS => (array\|string) cache items NCache::CONSTS => (array\|string) cache items Writes item into the cache. Dependencies are: NCache::PRIORITY => (int) priority NCache::EXPIRATION => (timestamp) expiration NCache::SLIDING => (bool) use sliding expiration? NCache::TAGS => (array) tags NCache::FILES => (array\|string) file names NCache::ITEMS => (array\|string) cache items NCache::CONSTS => (array\|string) cache items Parameters `$key` `mixed` key `$data` `mixed` value `$dependencies` `array` dependencies Returns `mixed` value itself Throws `InvalidArgumentException`
`public`	# `remove( mixed $key )` Removes item from the cache. Removes item from the cache. Parameters `$key` `mixed` key
`public`	# `clean( array $conditions = NULL )` Removes items from the cache by conditions. Conditions are: NCache::PRIORITY => (int) priority NCache::TAGS => (array) tags NCache::ALL => TRUE Removes items from the cache by conditions. Conditions are: NCache::PRIORITY => (int) priority NCache::TAGS => (array) tags NCache::ALL => TRUE
`public mixed`	# `call( mixed $function )` Caches results of function/method calls. Caches results of function/method calls. Parameters `$function` `mixed` Returns `mixed`
`public NClosure`	# `wrap( mixed $function, array $dependencies = NULL )` Caches results of function/method calls. Caches results of function/method calls. Parameters `$function` `mixed` `$dependencies` `array` dependencies Returns `NClosure`
`public NCachingHelper\|null`	# `start( mixed $key )` Starts the output cache. Starts the output cache. Parameters `$key` `mixed` key Returns `NCachingHelper\|null`
`protected string`	# `generateKey( string $key )` Generates internal cache key. Generates internal cache key. Parameters `$key` `string` Returns `string`
`public`	# `offsetSet( mixed $key, mixed $data )` Inserts (replaces) item into the cache (ArrayAccess implementation). Inserts (replaces) item into the cache (ArrayAccess implementation). Parameters `$key` `mixed` key `$data` `mixed` Throws `InvalidArgumentException` Implementation of `ArrayAccess::offsetSet()`
`public mixed\|null`	# `offsetGet( mixed $key )` Retrieves the specified item from the cache or NULL if the key is not found (ArrayAccess implementation). Retrieves the specified item from the cache or NULL if the key is not found (ArrayAccess implementation). Parameters `$key` `mixed` key Returns `mixed\|null` Throws `InvalidArgumentException` Implementation of `ArrayAccess::offsetGet()`
`public boolean`	# `offsetExists( mixed $key )` Exists item in cache? (ArrayAccess implementation). Exists item in cache? (ArrayAccess implementation). Parameters `$key` `mixed` key Returns `boolean` Throws `InvalidArgumentException` Implementation of `ArrayAccess::offsetExists()`
`public`	# `offsetUnset( mixed $key )` Removes the specified item from the cache. Removes the specified item from the cache. Parameters `$key` `mixed` key Throws `InvalidArgumentException` Implementation of `ArrayAccess::offsetUnset()`
`public`	# `release( )` Discards the internal cache used by ArrayAccess. Discards the internal cache used by ArrayAccess.
`public static boolean`	# `checkCallbacks( array $callbacks )` Checks CALLBACKS dependencies. Checks CALLBACKS dependencies. Parameters `$callbacks` `array` Returns `boolean`

Methods inherited from NObject
`__call(), __callStatic(), __get(), __isset(), __set(), __unset(), extensionMethod(), getReflection()`

Constants summary
`string`	`PRIORITY`	`'priority'`	# dependency dependency
`string`	`EXPIRATION`	`'expire'`	# dependency dependency
`string`	`EXPIRE`	`'expire'`	# dependency dependency
`string`	`SLIDING`	`'sliding'`	# dependency dependency
`string`	`TAGS`	`'tags'`	# dependency dependency
`string`	`FILES`	`'files'`	# dependency dependency
`string`	`ITEMS`	`'items'`	# dependency dependency
`string`	`CONSTS`	`'consts'`	# dependency dependency
`string`	`CALLBACKS`	`'callbacks'`	# dependency dependency
`string`	`ALL`	`'all'`	# dependency dependency

Magic properties summary
`public read-only ICacheStorage`	`$storage`	#
`public read-only string`	`$namespace`	#

Magic properties inherited from NObject
`$reflection`