OC6_复合类的类存管理

//
//  Person.h
//  OC6_复合类的类存管理
//
//  Created by zhangxueming on 15/6/18.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Dog.h"

@interface Person : NSObject

@property (retain, nonatomic) Dog *dog;

@end

//
//  Person.m
//  OC6_复合类的类存管理
//
//  Created by zhangxueming on 15/6/18.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import "Person.h"

@implementation Person

- (void)dealloc
{
    NSLog(@"%@:dog is release", [self class]);
   [_dog release];
    [super dealloc];
}

@end

//
//  Dog.h
//  OC6_复合类的类存管理
//
//  Created by zhangxueming on 15/6/18.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Dog : NSObject

@property (copy, nonatomic) NSString *name;
@property (assign,nonatomic) NSInteger age;

@end

//
//  Dog.m
//  OC6_复合类的类存管理
//
//  Created by zhangxueming on 15/6/18.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import "Dog.h"

@implementation Dog

- (void)dealloc
{
    NSLog(@"%@: dog name is release!!!", [self class]);
    [_name release];
    [super dealloc];
}

@end

//
//  main.m
//  OC6_复合类的类存管理
//
//  Created by zhangxueming on 15/6/18.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Person.h"
#import "Dog.h"

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        // insert code here...
        //NSLog(@"Hello, World!");
        Person *xiaoHua = [[Person alloc] init];
        Dog *xiaoHei = [[Dog alloc] init];
        xiaoHei.name = @"小黑";
        //setter方法
        xiaoHua.dog = xiaoHei ;    //  [xiaoHei retain]
        NSLog(@"%li----",xiaoHua.retainCount);
        NSLog(@"xiao%li----",xiaoHei.retainCount);

      Person *p =[xiaoHua retain];
      // NSLog(@"xiaohei%li----",xiaoHei.retainCount);
      // NSLog(@"tt%li----",p.retainCount);
       //[xiaoHua release];

        NSLog(@"最后%li----",xiaoHei.retainCount);

        [xiaoHei release];
    }
    return 0;
}