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NSManagedObject+ActiveRecord.h
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NSManagedObject+ActiveRecord.h
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//
// NSManagedObject+ActiveRecord.h
//
// Adapted from https://github.com/magicalpanda/MagicalRecord
// Created by Saul Mora on 11/15/09.
// Copyright 2010 Magical Panda Software, LLC All rights reserved.
//
// Created by Chad Podoski on 3/18/11.
//
#import <CoreData/CoreData.h>
/**
Extensions to NSManagedObjectContext for RestKit's Active Record pattern implementation
*/
@interface NSManagedObjectContext (ActiveRecord)
+ (NSManagedObjectContext *)defaultContext;
+ (void)setDefaultContext:(NSManagedObjectContext *)context;
+ (NSManagedObjectContext *)contextForCurrentThread;
@end
/**
Provides extensions to NSManagedObject implementing a low-ceremony querying
interface.
*/
@interface NSManagedObject (ActiveRecord)
/**
* The NSEntityDescription for the Subclass
* defaults to the subclass className, may be overridden
*/
+ (NSEntityDescription*)entity;
/**
* Returns an initialized NSFetchRequest for the entity, with no predicate
*/
+ (NSFetchRequest*)fetchRequest;
/**
* Fetches all objects from the persistent store identified by the fetchRequest
*/
+ (NSArray*)objectsWithFetchRequest:(NSFetchRequest*)fetchRequest;
/**
* Retrieves the number of objects that would be retrieved by the fetchRequest,
* if executed
*/
+ (NSUInteger)countOfObjectsWithFetchRequest:(NSFetchRequest*)fetchRequest;
/**
* Fetches all objects from the persistent store via a set of fetch requests and
* returns all results in a single array.
*/
+ (NSArray*)objectsWithFetchRequests:(NSArray*)fetchRequests;
/**
* Fetches the first object identified by the fetch request. A limit of one will be
* applied to the fetch request before dispatching.
*/
+ (id)objectWithFetchRequest:(NSFetchRequest*)fetchRequest;
/**
* Fetches all objects from the persistent store by constructing a fetch request and
* applying the predicate supplied. A short-cut for doing filtered searches on the objects
* of this class under management.
*/
+ (NSArray*)objectsWithPredicate:(NSPredicate*)predicate;
/**
* Fetches the first object matching a predicate from the persistent store. A fetch request
* will be constructed for you and a fetch limit of 1 will be applied.
*/
+ (id)objectWithPredicate:(NSPredicate*)predicate;
/**
* Fetches all managed objects of this class from the persistent store as an array
*/
+ (NSArray*)allObjects;
/**
* Returns a count of all managed objects of this class in the persistent store. On
* error, will populate the error argument
*/
+ (NSUInteger)count:(NSError**)error;
/**
* Returns a count of all managed objects of this class in the persistent store. Deprecated
* use the error form above
*
* @deprecated
*/
+ (NSUInteger)count DEPRECATED_ATTRIBUTE;
/**
* Creates a new managed object and inserts it into the managedObjectContext.
*/
+ (id)object;
/**
* Returns YES when an object has not been saved to the managed object context yet
*/
- (BOOL)isNew;
/**
Finds the instance of the receiver's entity with the given value for the primary key attribute
in the managed object context for the current thread.
@param primaryKeyValue The value for the receiving entity's primary key attribute.
@return The object with the primary key attribute equal to the given value or nil.
*/
+ (id)findByPrimaryKey:(id)primaryKeyValue;
/**
Finds the instance of the receiver's entity with the given value for the primary key attribute in
the given managed object context.
@param primaryKeyValue The value for the receiving entity's primary key attribute.
@param context The managed object context to find the instance in.
@return The object with the primary key attribute equal to the given value or nil.
*/
+ (id)findByPrimaryKey:(id)primaryKeyValue inContext:(NSManagedObjectContext *)context;
////////////////////////////////////////////////////////////////////////////////////////////////////
+ (NSManagedObjectContext*)currentContext;
+ (void)handleErrors:(NSError *)error;
+ (NSArray *)executeFetchRequest:(NSFetchRequest *)request;
+ (NSArray *)executeFetchRequest:(NSFetchRequest *)request inContext:(NSManagedObjectContext *)context;
+ (NSFetchRequest *)createFetchRequest;
+ (NSFetchRequest *)createFetchRequestInContext:(NSManagedObjectContext *)context;
+ (NSEntityDescription *)entityDescription;
+ (NSEntityDescription *)entityDescriptionInContext:(NSManagedObjectContext *)context;
+ (NSArray *)propertiesNamed:(NSArray *)properties;
+ (id)createEntity;
+ (id)createInContext:(NSManagedObjectContext *)context;
- (BOOL)deleteEntity;
- (BOOL)deleteInContext:(NSManagedObjectContext *)context;
+ (BOOL)truncateAll;
+ (BOOL)truncateAllInContext:(NSManagedObjectContext *)context;
+ (NSArray *)ascendingSortDescriptors:(id)attributesToSortBy, ...;
+ (NSArray *)descendingSortDescriptors:(id)attributesToSortyBy, ...;
+ (NSNumber *)numberOfEntities;
+ (NSNumber *)numberOfEntitiesWithContext:(NSManagedObjectContext *)context;
+ (NSNumber *)numberOfEntitiesWithPredicate:(NSPredicate *)searchTerm;
+ (NSNumber *)numberOfEntitiesWithPredicate:(NSPredicate *)searchTerm inContext:(NSManagedObjectContext *)context;
+ (BOOL) hasAtLeastOneEntity;
+ (BOOL) hasAtLeastOneEntityInContext:(NSManagedObjectContext *)context;
+ (NSFetchRequest *)requestAll;
+ (NSFetchRequest *)requestAllInContext:(NSManagedObjectContext *)context;
+ (NSFetchRequest *)requestAllWhere:(NSString *)property isEqualTo:(id)value;
+ (NSFetchRequest *)requestAllWhere:(NSString *)property isEqualTo:(id)value inContext:(NSManagedObjectContext *)context;
+ (NSFetchRequest *)requestFirstWithPredicate:(NSPredicate *)searchTerm;
+ (NSFetchRequest *)requestFirstWithPredicate:(NSPredicate *)searchTerm inContext:(NSManagedObjectContext *)context;
+ (NSFetchRequest *)requestFirstByAttribute:(NSString *)attribute withValue:(id)searchValue;
+ (NSFetchRequest *)requestFirstByAttribute:(NSString *)attribute withValue:(id)searchValue inContext:(NSManagedObjectContext *)context;
+ (NSFetchRequest *)requestAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending;
+ (NSFetchRequest *)requestAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending inContext:(NSManagedObjectContext *)context;
+ (NSFetchRequest *)requestAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending withPredicate:(NSPredicate *)searchTerm;
+ (NSFetchRequest *)requestAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending withPredicate:(NSPredicate *)searchTerm inContext:(NSManagedObjectContext *)context;
+ (NSArray *)findAll;
+ (NSArray *)findAllInContext:(NSManagedObjectContext *)context;
+ (NSArray *)findAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending;
+ (NSArray *)findAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending inContext:(NSManagedObjectContext *)context;
+ (NSArray *)findAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending withPredicate:(NSPredicate *)searchTerm;
+ (NSArray *)findAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending withPredicate:(NSPredicate *)searchTerm inContext:(NSManagedObjectContext *)context;
+ (NSFetchRequest *)requestAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending withPredicate:(NSPredicate *)searchTerm inContext:(NSManagedObjectContext *)context;
+ (NSArray *)findAllWithPredicate:(NSPredicate *)searchTerm;
+ (NSArray *)findAllWithPredicate:(NSPredicate *)searchTerm inContext:(NSManagedObjectContext *)context;
+ (NSNumber *)maxValueFor:(NSString *)property;
+ (id) objectWithMinValueFor:(NSString *)property;
+ (id) objectWithMinValueFor:(NSString *)property inContext:(NSManagedObjectContext *)context;
+ (id)findFirst;
+ (id)findFirstInContext:(NSManagedObjectContext *)context;
+ (id)findFirstWithPredicate:(NSPredicate *)searchTerm;
+ (id)findFirstWithPredicate:(NSPredicate *)searchTerm inContext:(NSManagedObjectContext *)context;
+ (id)findFirstWithPredicate:(NSPredicate *)searchterm sortedBy:(NSString *)property ascending:(BOOL)ascending;
+ (id)findFirstWithPredicate:(NSPredicate *)searchterm sortedBy:(NSString *)property ascending:(BOOL)ascending inContext:(NSManagedObjectContext *)context;
+ (id)findFirstWithPredicate:(NSPredicate *)searchTerm andRetrieveAttributes:(NSArray *)attributes;
+ (id)findFirstWithPredicate:(NSPredicate *)searchTerm andRetrieveAttributes:(NSArray *)attributes inContext:(NSManagedObjectContext *)context;
+ (id)findFirstWithPredicate:(NSPredicate *)searchTerm sortedBy:(NSString *)sortBy ascending:(BOOL)ascending andRetrieveAttributes:(id)attributes, ...;
+ (id)findFirstWithPredicate:(NSPredicate *)searchTerm sortedBy:(NSString *)sortBy ascending:(BOOL)ascending inContext:(NSManagedObjectContext *)context andRetrieveAttributes:(id)attributes, ...;
+ (id)findFirstByAttribute:(NSString *)attribute withValue:(id)searchValue;
+ (id)findFirstByAttribute:(NSString *)attribute withValue:(id)searchValue inContext:(NSManagedObjectContext *)context;
+ (NSArray *)findByAttribute:(NSString *)attribute withValue:(id)searchValue;
+ (NSArray *)findByAttribute:(NSString *)attribute withValue:(id)searchValue inContext:(NSManagedObjectContext *)context;
+ (NSArray *)findByAttribute:(NSString *)attribute withValue:(id)searchValue andOrderBy:(NSString *)sortTerm ascending:(BOOL)ascending;
+ (NSArray *)findByAttribute:(NSString *)attribute withValue:(id)searchValue andOrderBy:(NSString *)sortTerm ascending:(BOOL)ascending inContext:(NSManagedObjectContext *)context;
#if TARGET_OS_IPHONE
+ (NSFetchedResultsController *)fetchAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending withPredicate:(NSPredicate *)searchTerm groupBy:(NSString *)groupingKeyPath;
+ (NSFetchedResultsController *)fetchAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending withPredicate:(NSPredicate *)searchTerm groupBy:(NSString *)groupingKeyPath inContext:(NSManagedObjectContext *)context;
+ (NSFetchedResultsController *)fetchRequest:(NSFetchRequest *)request groupedBy:(NSString *)group;
+ (NSFetchedResultsController *)fetchRequest:(NSFetchRequest *)request groupedBy:(NSString *)group inContext:(NSManagedObjectContext *)context;
+ (NSFetchedResultsController *)fetchRequestAllGroupedBy:(NSString *)group withPredicate:(NSPredicate *)searchTerm sortedBy:(NSString *)sortTerm ascending:(BOOL)ascending;
+ (NSFetchedResultsController *)fetchRequestAllGroupedBy:(NSString *)group withPredicate:(NSPredicate *)searchTerm sortedBy:(NSString *)sortTerm ascending:(BOOL)ascending inContext:(NSManagedObjectContext *)context;
#endif
@end