55 lines
2.0 KiB
Objective-C
Executable File
55 lines
2.0 KiB
Objective-C
Executable File
//
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// PFSubclassing.h
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// Parse
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//
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// Created by Thomas Bouldin on 3/11/13.
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// Copyright (c) 2013 Parse Inc. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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@class PFQuery;
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/*!
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If a subclass of PFObject conforms to PFSubclassing and calls registerSubclass, Parse will be able to use that class as the native class for a Parse cloud object.
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Classes conforming to this protocol should subclass PFObject and include PFObject+Subclass.h in their implementation file. This ensures the methods in the Subclass category of PFObject are exposed in its subclasses only.
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*/
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@protocol PFSubclassing
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/*!
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Constructs an object of the most specific class known to implement parseClassName.
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This method takes care to help PFObject subclasses be subclassed themselves.
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For example, [PFUser object] returns a PFUser by default but will return an
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object of a registered subclass instead if one is known.
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A default implementation is provided by PFObject which should always be sufficient.
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@result Returns the object that is instantiated.
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*/
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+ (instancetype)object;
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/*!
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Creates a reference to an existing PFObject for use in creating associations between PFObjects. Calling isDataAvailable on this
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object will return NO until fetchIfNeeded or refresh has been called. No network request will be made.
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A default implementation is provided by PFObject which should always be sufficient.
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@param objectId The object id for the referenced object.
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@result A PFObject without data.
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*/
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+ (instancetype)objectWithoutDataWithObjectId:(NSString *)objectId;
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/*! The name of the class as seen in the REST API. */
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+ (NSString *)parseClassName;
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/*!
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Create a query which returns objects of this type.
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A default implementation is provided by PFObject which should always be sufficient.
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*/
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+ (PFQuery *)query;
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/*!
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Lets Parse know this class should be used to instantiate all objects with class type parseClassName.
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This method must be called before [Parse setApplicationId:clientKey:]
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*/
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+ (void)registerSubclass;
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@end
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