Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

71 lines (54 sloc) 2.057 kb
/*
* Copyright 2010 Facebook
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import <Foundation/Foundation.h>
#import <sqlite3.h>
@class FBCacheIndex;
@protocol FBCacheIndexFileDelegate <NSObject>
@required
// Informs the disk cache to write contents to the specified file. The callback
// should not block and should be executed in order.
- (void) cacheIndex:(FBCacheIndex*)cacheIndex
writeFileWithName:(NSString*)name
data:(NSData*)data;
// Informs the disk cache to delete the specified file.
- (void) cacheIndex:(FBCacheIndex*)cacheIndex
deleteFileWithName:(NSString*)name;
@end
@interface FBCacheIndex : NSObject
{
@private
id <FBCacheIndexFileDelegate> _delegate;
NSCache* _cachedEntries;
NSUInteger _currentDiskUsage;
NSUInteger _diskCapacity;
sqlite3* _database;
sqlite3_stmt* _insertStatement;
sqlite3_stmt* _removeByKeyStatement;
sqlite3_stmt* _selectByKeyStatement;
sqlite3_stmt* _trimStatement;
sqlite3_stmt* _updateStatement;
dispatch_queue_t _databaseQueue;
}
- (id)initWithCacheFolder:(NSString*)folderPath;
@property (assign) id delegate;
@property (nonatomic, readonly) NSUInteger currentDiskUsage;
@property (nonatomic, assign) NSUInteger diskCapacity;
@property (nonatomic, assign) NSUInteger entryCacheCountLimit;
@property (nonatomic, readonly) dispatch_queue_t databaseQueue;
- (NSString*)fileNameForKey:(NSString*)key;
- (NSString*)storeFileForKey:(NSString*)key withData:(NSData*)data;
- (void)removeEntryForKey:(NSString*)key;
@end
Jump to Line
Something went wrong with that request. Please try again.