FileCache

Wraps some data stored in a file on disk.

struct FileCache (

alias DataGetter

alias DataPutter = None

FlushPolicy flushPolicy = FlushPolicy.none

LoadPolicy loadPolicy = LoadPolicy.automatic

) {

string fileName;

static if(loadPolicy == LoadPolicy.automatic)

enum _FileCache_loadPolicy;

static if(!(loadPolicy == LoadPolicy.automatic))

enum _FileCache_loadPolicy;

ReturnType!DataGetter _FileCache_dataGetter();

alias _FileCache_dataPutter = None;

static if(!(is(DataPutter == None)))

void _FileCache_dataPutter(T t);

import std.datetime : SysTime;;

static if(_FileCache_loadPolicy == LoadPolicy.onModification)

SysTime _FileCache_keyGetter();

static if(!(_FileCache_loadPolicy == LoadPolicy.onModification))

bool _FileCache_keyGetter();

mixin CacheCore!(_FileCache_dataGetter, _FileCache_keyGetter, _FileCache_dataPutter, flushPolicy) ;

}

Members

Aliases

_FileCache_dataPutter alias _FileCache_dataPutter = None: Undocumented in source.

Functions

_FileCache_dataGetter ReturnType!DataGetter _FileCache_dataGetter(): Undocumented in source. Be warned that the author may not have intended to support it.
_FileCache_dataPutter void _FileCache_dataPutter(T t): Undocumented in source. Be warned that the author may not have intended to support it.
_FileCache_keyGetter SysTime _FileCache_keyGetter(): Undocumented in source. Be warned that the author may not have intended to support it.
_FileCache_keyGetter bool _FileCache_keyGetter(): Undocumented in source. Be warned that the author may not have intended to support it.

Manifest constants

_FileCache_loadPolicy enum _FileCache_loadPolicy;: Undocumented in source.
_FileCache_loadPolicy enum _FileCache_loadPolicy;: Undocumented in source.

Mixins

__anonymous mixin CacheCore!(_FileCache_dataGetter, _FileCache_keyGetter, _FileCache_dataPutter, flushPolicy): Undocumented in source.

Variables

fileName string fileName;: File name containing the data.

Mixed In Members

From `mixin CacheCore!(_FileCache_dataGetter, _FileCache_keyGetter, _FileCache_dataPutter, flushPolicy)`

_CacheCore_Data alias _CacheCore_Data = ReturnType!DataGetter: Undocumented in source.
_CacheCore_Key alias _CacheCore_Key = ReturnType!KeyGetter: Undocumented in source.
_CacheCore_readOnly enum _CacheCore_readOnly;: Undocumented in source.
cachedData _CacheCore_Data cachedData;: The currently loaded version of the data.
cachedDataKey _CacheCore_Key cachedDataKey;: The key (version) of the last loaded version of the data.
_CacheCore_update void _CacheCore_update(): Undocumented in source. Be warned that the author may not have intended to support it.
_CacheCore_data auto _CacheCore_data [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.
_CacheCore_data auto ref _CacheCore_data [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.
save void save(): Save the data. Obtain a fresh copy of the key afterwards (by reading it again), unless exiting is true.
~this ~this(): Undocumented in source.
_CacheCore_registerFlush void _CacheCore_registerFlush(): Undocumented in source. Be warned that the author may not have intended to support it.
_CacheCore_pending typeof(this)*[] _CacheCore_pending;: Undocumented in source.

Parameters

DataGetter: Callable which accepts a file name and returns its contents as some D value.
DataPutter: Callable which performs the reverse operation, writing the value to the file.
flushPolicy: When to save changes to the data to disk.
loadPolicy: When to reload data from disk.

Meta

Source

See Implementation

ae sys persistence core enums

manifest constants

filesystemTimestampGranularity

mixin templates

CacheCore

structs