Class FileJournal

Btree+ based file journal.

Nette\Object

Nette\Caching\Storages\FileJournal implements Nette\Caching\Storages\IJournal

Namespace: Nette\Caching\Storages
Located at Caching/Storages/FileJournal.php

Methods summary
`public`	# `__construct( string $dir )` Parameters `$dir` containing journal file
`public`	# `__destruct( )`
`public`	# `write( string $key, array $dependencies )` Writes entry information into the journal. Writes entry information into the journal. Parameters `$key` `$dependencies` Implementation of `Nette\Caching\Storages\IJournal::write()`
`public array`	# `clean( array $conditions )` Cleans entries from journal. Cleans entries from journal. Parameters `$conditions` Returns `array` of removed items or NULL when performing a full cleanup Implementation of `Nette\Caching\Storages\IJournal::clean()`

Methods inherited from Nette\Object
`__call(), __callStatic(), __get(), __isset(), __set(), __unset(), extensionMethod(), getReflection()`

Constants summary
`string`	`FILE` Filename with journal Filename with journal	#`'btfj.dat'`
`integer`	`FILE_MAGIC` 4 bytes file header magic (btfj) 4 bytes file header magic (btfj)	#`0x6274666A`
`integer`	`INDEX_MAGIC` 4 bytes index node magic (inde) 4 bytes index node magic (inde)	#`0x696E6465`
`integer`	`DATA_MAGIC` 4 bytes data node magic (data) 4 bytes data node magic (data)	#`0x64617461`
`integer`	`NODE_SIZE` Node size in bytes Node size in bytes	#`4096`
`integer`	`BITROT` Bit rotation for saving data into nodes. BITROT = log2(NODE_SIZE) Bit rotation for saving data into nodes. BITROT = log2(NODE_SIZE)	#`12`
`integer`	`HEADER_SIZE` Header size in bytes Header size in bytes	#`4096`
`integer`	`INT32_SIZE` Size of 32 bit integer in bytes. INT32_SIZE = 32 / 8 :-) Size of 32 bit integer in bytes. INT32_SIZE = 32 / 8 :-)	#`4`
`string`	`INFO`	#`'i'`
`string`	`TYPE`	#`'t'`
`string`	`IS_LEAF`	#`'il'`
`string`	`PREV_NODE`	#`'p'`
`string`	`END`	#`'e'`
`string`	`MAX`	#`'m'`
`string`	`INDEX_DATA`	#`'id'`
`string`	`LAST_INDEX`	#`'l'`
`string`	`TAGS`	#`'t'`
`string`	`PRIORITY`	#`'p'`
`string`	`ENTRIES`	#`'e'`
`string`	`DATA`	#`'d'`
`string`	`KEY`	#`'k'`
`string`	`DELETED`	#`'d'`

Properties summary
`public static boolean`	`$debug` Debug mode, only for testing purposes Debug mode, only for testing purposes	#`FALSE`

Magic properties inherited from Nette\Object
`$reflection`