核心数据方法不在头文件中 [英] Core Data methods not in header file
本文介绍了核心数据方法不在头文件中的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
为什么这些方法不应该在头文件中呢?这是由xcode btw生成的。
Why shouldn't these methods be in the header file also? This was genereated by xcode btw.
界面
@class Environment, Location;
@interface Log : NSManagedObject {
@private
}
@property (nonatomic, retain) NSDate * date;
@property (nonatomic, retain) NSString * time;
@property (nonatomic, retain) NSNumber * distance;
@property (nonatomic, retain) NSString * comment;
@property (nonatomic, retain) NSSet* locations;
@property (nonatomic, retain) NSSet* environments;
@end
实施 >
Implementation
@implementation Log
@dynamic date;
@dynamic time;
@dynamic distance;
@dynamic comment;
@dynamic locations;
@dynamic environments;
- (void)addLocationsObject:(Location *)value {
NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];
[self willChangeValueForKey:@"locations" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];
[[self primitiveValueForKey:@"locations"] addObject:value];
[self didChangeValueForKey:@"locations" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];
[changedObjects release];
}
- (void)removeLocationsObject:(Location *)value {
NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];
[self willChangeValueForKey:@"locations" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];
[[self primitiveValueForKey:@"locations"] removeObject:value];
[self didChangeValueForKey:@"locations" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];
[changedObjects release];
}
- (void)addLocations:(NSSet *)value {
[self willChangeValueForKey:@"locations" withSetMutation:NSKeyValueUnionSetMutation usingObjects:value];
[[self primitiveValueForKey:@"locations"] unionSet:value];
[self didChangeValueForKey:@"locations" withSetMutation:NSKeyValueUnionSetMutation usingObjects:value];
}
- (void)removeLocations:(NSSet *)value {
[self willChangeValueForKey:@"locations" withSetMutation:NSKeyValueMinusSetMutation usingObjects:value];
[[self primitiveValueForKey:@"locations"] minusSet:value];
[self didChangeValueForKey:@"locations" withSetMutation:NSKeyValueMinusSetMutation usingObjects:value];
}
- (void)addEnvironmentsObject:(Environment *)value {
NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];
[self willChangeValueForKey:@"environments" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];
[[self primitiveValueForKey:@"environments"] addObject:value];
[self didChangeValueForKey:@"environments" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];
[changedObjects release];
}
- (void)removeEnvironmentsObject:(Environment *)value {
NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];
[self willChangeValueForKey:@"environments" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];
[[self primitiveValueForKey:@"environments"] removeObject:value];
[self didChangeValueForKey:@"environments" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];
[changedObjects release];
}
- (void)addEnvironments:(NSSet *)value {
[self willChangeValueForKey:@"environments" withSetMutation:NSKeyValueUnionSetMutation usingObjects:value];
[[self primitiveValueForKey:@"environments"] unionSet:value];
[self didChangeValueForKey:@"environments" withSetMutation:NSKeyValueUnionSetMutation usingObjects:value];
}
- (void)removeEnvironments:(NSSet *)value {
[self willChangeValueForKey:@"environments" withSetMutation:NSKeyValueMinusSetMutation usingObjects:value];
[[self primitiveValueForKey:@"environments"] minusSet:value];
[self didChangeValueForKey:@"environments" withSetMutation:NSKeyValueMinusSetMutation usingObjects:value];
}
@end
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