/*
 * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer. 
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution. 
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#import <Foundation/Foundation.h>


@interface WebFileDatabase : NSObject
{
    NSString *path;
    unsigned count;
    BOOL isOpen;
    unsigned sizeLimit;
    unsigned usage;
    
    struct WebLRUFileList *lru;
    NSMutableArray *ops;
    NSMutableDictionary *setCache;
    NSMutableSet *removeCache;
    
    NSTimer *timer;
    NSTimeInterval touch;
    NSRecursiveLock *mutex;
}

- (void)setObject:(id)object forKey:(id)key;
- (void)removeObjectForKey:(id)key;
- (void)removeAllObjects;
- (id)objectForKey:(id)key;

- (id)initWithPath:(NSString *)thePath;

- (void)open;
- (void)close;
- (void)sync;

- (NSString *)path;
- (BOOL)isOpen;

- (unsigned)count;
- (unsigned)sizeLimit;
- (void)setSizeLimit:(unsigned)limit;
- (unsigned)usage;

- (void)performSetObject:(id)object forKey:(id)key;
- (void)performRemoveObjectForKey:(id)key;

@end