PCMutableDirectory.h

//
//  PCMutableDirectory.h
//  SmartOrderKit
//
//  Created by Maximilian Mackh on 23/03/14.
//  Copyright (c) 2014 Professional Consulting & Trading GmbH. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface PCMutableDirectory : NSObject

+ (instancetype)directory;

- (NSUInteger)indexOfObject:(id)anObject;
- (id)objectAtIndex:(NSUInteger)index;
- (id)objectForKey:(id)key;

- (void)addObject:(id)anObject forKey:(id)key;
- (void)insertObject:(id)anObject atIndex:(NSUInteger)index forKey:(id)key;

- (void)removeObjectAtIndex:(NSUInteger)index forKey:(id)key;
- (void)removeAllObjects;

- (id)firstObject;
- (id)lastObject;

- (NSUInteger)count;

- (NSArray *)allObjects;

@end

PCMutableDirectory.m

//
//  PCMutableDirectory.m
//  SmartOrderKit
//
//  Created by Maximilian Mackh on 23/03/14.
//  Copyright (c) 2014 Professional Consulting & Trading GmbH. All rights reserved.
//

#import "PCMutableDirectory.h"

@implementation PCMutableDirectory
{
    NSMutableArray *_arrayMutable;
    NSMutableDictionary *_dictionaryMutable;
}

#pragma mark -
#pragma mark Init

+ (instancetype)directory
{
    return [PCMutableDirectory new];
}

- (id)init
{
    self = [super init];
    if (!self) return nil;
    
    _arrayMutable = [NSMutableArray new];
    _dictionaryMutable = [NSMutableDictionary new];
    
    return self;
}

#pragma mark -
#pragma mark Implementation

- (NSUInteger)indexOfObject:(id)anObject
{
    return [_arrayMutable indexOfObject:anObject];
}

- (id)objectAtIndex:(NSUInteger)index
{
    return [_arrayMutable objectAtIndex:index];
}

- (id)objectForKey:(id)key
{
    return _dictionaryMutable[key];
}

- (void)addObject:(id)anObject forKey:(id)key
{
    [_arrayMutable addObject:anObject];
    _dictionaryMutable[key] = anObject;
}

- (void)insertObject:(id)anObject atIndex:(NSUInteger)index forKey:(id)key
{
    [_arrayMutable insertObject:anObject atIndex:index];
    _dictionaryMutable[key] = anObject;
}

- (void)removeObjectAtIndex:(NSUInteger)index forKey:(id)key
{
    [_arrayMutable removeObjectAtIndex:index];
    [_dictionaryMutable removeObjectForKey:key];
}

- (void)removeAllObjects
{
    [_arrayMutable removeAllObjects];
    [_dictionaryMutable removeAllObjects];
}

- (id)firstObject
{
    return [_arrayMutable firstObject];
}

- (id)lastObject
{
    return [_arrayMutable lastObject];
}

- (NSUInteger)count
{
    return [_arrayMutable count];
}

- (NSArray *)allObjects
{
    return _arrayMutable;
}

@end