标签:object create ios 细节 ios设计模式 好的 form protocol 设计
iOS设计模式 - 生成器
原理图
说明
生成器模式可以理解为零部件组装工厂,与工厂方法是非常相似的!
// // VehicleBuilder.h // BuilderPattern // // Created by YouXianMing on 15/8/18. // Copyright (c) 2015年 YouXianMing. All rights reserved. // #import <Foundation/Foundation.h> #import "VehicleBuilderProtocol.h" @interface VehicleBuilder : NSObject <VehicleBuilderProtocol> /** * 车辆信息 */ @property (nonatomic, strong) NSMutableDictionary *vehicleInfo; @end
// // VehicleBuilder.m // BuilderPattern // // Created by YouXianMing on 15/8/18. // Copyright (c) 2015年 YouXianMing. All rights reserved. // #import "VehicleBuilder.h" @implementation VehicleBuilder - (instancetype)init { self = [super init]; if (self) { self.vehicleInfo = [NSMutableDictionary dictionary]; } return self; } - (void)buildVehicleChassis { [NSException raise:NSInternalInconsistencyException format:@"对不起,您不能直接调用 ‘%@ %d‘ 中的方法 ‘%@‘,您需要通过继承其子类,在子类中重载该方法", [NSString stringWithUTF8String:__FILE__].lastPathComponent, __LINE__, NSStringFromSelector(_cmd)]; } - (void)buildVehicleEngine { [NSException raise:NSInternalInconsistencyException format:@"对不起,您不能直接调用 ‘%@ %d‘ 中的方法 ‘%@‘,您需要通过继承其子类,在子类中重载该方法", [NSString stringWithUTF8String:__FILE__].lastPathComponent, __LINE__, NSStringFromSelector(_cmd)]; } - (void)buildVehicleWheels { [NSException raise:NSInternalInconsistencyException format:@"对不起,您不能直接调用 ‘%@ %d‘ 中的方法 ‘%@‘,您需要通过继承其子类,在子类中重载该方法", [NSString stringWithUTF8String:__FILE__].lastPathComponent, __LINE__, NSStringFromSelector(_cmd)]; } - (void)buildVehicleDoors { [NSException raise:NSInternalInconsistencyException format:@"对不起,您不能直接调用 ‘%@ %d‘ 中的方法 ‘%@‘,您需要通过继承其子类,在子类中重载该方法", [NSString stringWithUTF8String:__FILE__].lastPathComponent, __LINE__, NSStringFromSelector(_cmd)]; } @end
// // VehicleBuilderProtocol.h // BuilderPattern // // Created by YouXianMing on 15/8/18. // Copyright (c) 2015年 YouXianMing. All rights reserved. // #import <Foundation/Foundation.h> @protocol VehicleBuilderProtocol <NSObject> @required /** * 制造汽车底盘 */ - (void)buildVehicleChassis; /** * 制造汽车引擎 */ - (void)buildVehicleEngine; /** * 制造汽车轮子 */ - (void)buildVehicleWheels; /** * 制造汽车车门 */ - (void)buildVehicleDoors; @end
// // VehicleAssemblyPlant.h // BuilderPattern // // Created by YouXianMing on 15/8/18. // Copyright (c) 2015年 YouXianMing. All rights reserved. // #import <Foundation/Foundation.h> #import "VehicleBuilder.h" /** * 车辆装配工厂 */ @interface VehicleAssemblyPlant : NSObject /** * 组装车辆 * * @param vehicleBuilder 组装方案 * * @return 组装好的车辆 */ + (VehicleBuilder *)vehicleAssembly:(VehicleBuilder *)vehicleBuilder; @end
// // VehicleAssemblyPlant.m // BuilderPattern // // Created by YouXianMing on 15/8/18. // Copyright (c) 2015年 YouXianMing. All rights reserved. // #import "VehicleAssemblyPlant.h" @implementation VehicleAssemblyPlant + (VehicleBuilder *)vehicleAssembly:(VehicleBuilder *)vehicleBuilder { [vehicleBuilder buildVehicleChassis]; [vehicleBuilder buildVehicleDoors]; [vehicleBuilder buildVehicleEngine]; [vehicleBuilder buildVehicleWheels]; return vehicleBuilder; } @end
细节
标签:object create ios 细节 ios设计模式 好的 form protocol 设计
原文地址:http://www.cnblogs.com/ming1025/p/6655884.html