ACM_Someone like you

- (void)setOperationDicValue:(id)operation forKey:(NSString *)key
{
    NSCondition *mylock = [[NSCondition alloc]init];//創建鎖對象
    [mylock lock];//創建鎖對象
    [self.operationDict setObject:operation forKey:key];//對共享搶占資源進行操作的代碼
    [mylock unlock];//操作完數據，馬上釋放鎖,給其他的線程調用操作
}

- (void)removeOperationObjectForKey:(NSString *)key
{
    NSCondition *mylock = [[NSCondition alloc]init];
    [mylock lock];
    [self.operationDict removeObjectForKey:key];
    [mylock unlock];
}

- (void)removeAllOperationObjects
{
    NSCondition *mylock = [[NSCondition alloc]init];
    [mylock lock];
    [self.operationDict removeAllObjects];
    [mylock unlock];
}

- (id)getOperationObjectValueForKey:(NSString *)key
{
   return [self.operationDict objectForKey:key];
}

//
//  SyncMutableDictionary.h
//  banggood
//
//  Created by Artillery on 2017/10/16.
//  Copyright ? 2017年 banggood. All rights reserved.
//

#import <Foundation/Foundation.h>
/*
 多線程下的安全字典 來自阿里
 */
@interface SyncMutableDictionary : NSObject

- (nullable id)objectForKey:(_Nonnull id)aKey;

- (nullable id)valueForKey:(_Nonnull id)aKey;

- (NSArray * _Nonnull)allKeys;

- (void)setObject:(nullable id)anObject forKey:(_Nonnull id <NSCopying>)aKey;

- (void)removeObjectForKey:(_Nonnull id)aKey;

- (void)removeAllObjects;

- (NSMutableDictionary *_Nonnull)getDictionary;

@end

//
//  SyncMutableDictionary.m
//  banggood
//
//  Created by Artillery on 2017/10/16.
//  Copyright ? 2017年 banggood. All rights reserved.
//

#import "SyncMutableDictionary.h"

@interface SyncMutableDictionary ()

@property(nonatomic, strong) NSMutableDictionary *dictionary;
@property(nonatomic, strong) dispatch_queue_t dispatchQueue;

@end

@implementation SyncMutableDictionary

- (instancetype)init {
    if (self = [super init]) {
        _dictionary = [NSMutableDictionary new];
        _dispatchQueue = dispatch_queue_create("com.banggood.banggoodSycmutableDictionary", DISPATCH_QUEUE_SERIAL);
    }
    return self;
}

- (NSArray * _Nonnull)allKeys{
    __block NSArray *allKeys = [NSArray array];
    dispatch_sync(_dispatchQueue, ^{
        allKeys = [_dictionary allKeys];
    });
    return allKeys;
}

- (nullable id)objectForKey:(_Nonnull id)aKey{
    __block id returnObject = nil;
    if(!aKey) return returnObject;
    dispatch_sync(_dispatchQueue, ^{
        returnObject = _dictionary[aKey];
    });
    return returnObject;
}

- (void)setValue:(nullable id)value forKey:(NSString *)key {
    if(!key) return;
    dispatch_barrier_async(_dispatchQueue, ^{
        [_dictionary setValue:value forKey:key];
    });
}

- (nullable id)valueForKey:(_Nonnull id)aKey{
    __block id returnObject = nil;
    dispatch_sync(_dispatchQueue, ^{
        returnObject = [_dictionary valueForKey:aKey];
    });
    return returnObject;
}

- (void)setObject:(nullable id)anObject forKey:(_Nonnull id <NSCopying>)aKey{
    dispatch_barrier_async(_dispatchQueue, ^{
        if (anObject == nil) return;
        self.dictionary[aKey] = anObject;
    });
}

- (void)removeObjectForKey:(_Nonnull id)aKey{
    if(!aKey) return;
    dispatch_sync(_dispatchQueue, ^{
        [_dictionary removeObjectForKey:aKey];
    });
}

- (void)removeAllObjects {
    dispatch_sync(_dispatchQueue, ^{
        [_dictionary removeAllObjects];
    });
}

- (NSMutableDictionary *)getDictionary {
    __block NSMutableDictionary *temp;
    dispatch_sync(_dispatchQueue, ^{
        temp = _dictionary;
    });
    return temp;
}


-(NSString *)description{
    return [NSString stringWithFormat:@"%@",self.dictionary];
}

@end