mirror of
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46 lines
1.6 KiB
Objective-C
46 lines
1.6 KiB
Objective-C
//
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// Copyright 2009-2010 Facebook
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#import <Foundation/Foundation.h>
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/**
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* A helper class for storing user info to help identify a request.
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*
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* This class lets you store both a strong reference and a weak reference for the duration of
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* the request. The weak reference is special because TTURLRequestQueue will examine it when
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* you call cancelRequestsWithDelegate to see if the weak object is the delegate in question.
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* For this reason, this object is a safe way to store an object that may be destroyed before
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* the request completes if you call cancelRequestsWithDelegate in the object's destructor.
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*/
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@interface TTUserInfo : NSObject {
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NSString* _topic;
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id _strongRef;
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id _weakRef;
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}
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@property (nonatomic, retain) NSString* topic;
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@property (nonatomic, retain) id strongRef;
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@property (nonatomic, assign) id weakRef;
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+ (id)topic:(NSString*)topic strongRef:(id)strongRef weakRef:(id)weakRef;
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+ (id)topic:(NSString*)topic;
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+ (id)weakRef:(id)weakRef;
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- (id)initWithTopic:(NSString*)topic strongRef:(id)strongRef weakRef:(id)weakRef;
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@end
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