EVDataStore Class Reference

Inherits from	NSObject
Declared in	EVDataStore.h

Overview

An Everlive framework object that is the local abstraction of the store in Everlive cloud.

Tasks

+ sharedInstance
Returns the shared instance of the local data store.
– fetch:uniqueId:block:
Retrieves the EVObject with the specified id in background.
– fetch:uniqueId:target:selector:
Retrieves the EVObject with the specified id in background
– fetchAll:block:
Retrieves all the EVObject in background.
– fetchAll:target:selector:
Retrieves all the EVObject in background.
– create:block:
Creates a new EVObject in background.
– create:target:selector:
Saves a new EVObject in background.
– update:block:
updates the EVObject in background.
– update:target:selector:
updates the EVObject in background.
– update:withPredicate:block:
updates the EVObject in background.
– remove:block:
Removes the EVObject in background.
– remove:target:selector:
Removes the EVObject in background.
– remove:withPredicate:block:
Removes the EVObject in background.
– executeFetchRequest:block:
Retrieves an array of objects that meet the criteria specified by a given fetch request.
– executeFetchRequest:target:selector:
Retrieves an array of objects that meet the criteria specified by a given fetch request.
– countForFetchRequest:block:
Retrieves the count of objects that meet the criteria specified by a given fetch request.
– countForFetchRequest:target:selector:
Retrieves the count of objects that meet the criteria specified by a given fetch request.

Class Methods

sharedInstance

Returns the shared instance of the local data store.

+ (id)sharedInstance

Declared In

EVDataStore.h

Instance Methods

countForFetchRequest:block:

Retrieves the count of objects that meet the criteria specified by a given fetch request.

- (void)countForFetchRequest:(EVFetchRequest *)request block:(EVScalarResultBlock)block

Parameters

request: A fetch request that specifies the search criteria for the fetch.

block: The block to execute. The block should have the following argument signature: (NSUInteger result, NSError *error)

Declared In

EVDataStore.h

countForFetchRequest:target:selector:

Retrieves the count of objects that meet the criteria specified by a given fetch request.

- (void)countForFetchRequest:(EVFetchRequest *)request target:(id)target selector:(SEL)selector

Parameters

request: A fetch request that specifies the search criteria for the fetch.

target: The object to call selector on.

selector: The selector to call. It should have the following signature: (void)requestCompletedWithResult:(NSUInteger)result error:(NSError*)error. error will be nill on success.

Declared In

EVDataStore.h

create:block:

Creates a new EVObject in background.

- (void)create:(id)object block:(EVObjectResultBlock)block

Parameters

object: The object to be created.

block: The block to execute. The block should have the following argument signature: (BOOL success, NSError *error)

Declared In

EVDataStore.h

create:target:selector:

Saves a new EVObject in background.

- (void)create:(id)object target:(id)target selector:(SEL)selector

Parameters

object: The object instance to be created in everlive.

target: The object to call selector on.

selector: The selector to call. It should have the following signature: (void)requestCompletedWithResult:(id)result error:(NSError*)error. error will be nill on success.

Declared In

EVDataStore.h

executeFetchRequest:block:

Retrieves an array of objects that meet the criteria specified by a given fetch request.

- (void)executeFetchRequest:(EVFetchRequest *)request block:(EVObjectFetchResultBlock)block

Parameters

request: A fetch request that specifies the search criteria for the fetch.

block: The block to execute. The block should have the following argument signature: (NSArray result, NSError error)

Declared In

EVDataStore.h

executeFetchRequest:target:selector:

Retrieves an array of objects that meet the criteria specified by a given fetch request.

- (void)executeFetchRequest:(EVFetchRequest *)request target:(id)target selector:(SEL)selector

Parameters

request: A fetch request that specifies the search criteria for the fetch.

target: The object to call selector on.

selector: The selector to call. It should have the following signature: (void)requestCompletedWithResult:(NSArray)result error:(NSError)error. error will be nill on success.

Declared In

EVDataStore.h

fetch:uniqueId:block:

Retrieves the EVObject with the specified id in background.

- (void)fetch:(Class)aClass uniqueId:(NSString *)uniqueId block:(EVObjectFetchResultBlock)block

Parameters

aClass: The EVObject type to retreive.

uniqueId: The id of the item

block: The block to execute. The block should have the following argument signature: (BOOL success, NSError *error)

Declared In

EVDataStore.h

fetch:uniqueId:target:selector:

Retrieves the EVObject with the specified id in background

- (void)fetch:(Class)aClass uniqueId:(NSString *)uniqueId target:(id)target selector:(SEL)selector

Parameters

aClass: The EVObject type to retrieve

uniqueId: The id of the item

target: The object to call selector on.

selector: The selector to call. It should have the following signature: (void)requestCompletedWithResult:(NSArray)result error:(NSError)error. error will be nill on success.

Declared In

EVDataStore.h

fetchAll:block:

Retrieves all the EVObject in background.

- (void)fetchAll:(Class)aClass block:(EVObjectFetchResultBlock)block

Parameters

aClass: The EVObject type to retreive.

block: The block to execute. The block should have the following argument signature: (BOOL success, NSError *error)

Declared In

EVDataStore.h

fetchAll:target:selector:

Retrieves all the EVObject in background.

- (void)fetchAll:(Class)aClass target:(id)target selector:(SEL)selector

Parameters

aClass: The EVObject type to retreive.

target: The object to call selector on.

selector: The selector to call. It should have the following signature: (void)requestCompletedWithResult:(NSArray)result error:(NSError)error. error will be nill on success.

Declared In

EVDataStore.h

remove:block:

Removes the EVObject in background.

- (void)remove:(id)object block:(EVObjectResultBlock)block

Parameters

object: The object to be deleted.

block: The block to execute. The block should have the following argument signature: (BOOL success, NSError *error)

Declared In

EVDataStore.h

remove:target:selector:

Removes the EVObject in background.

- (void)remove:(id)object target:(id)target selector:(SEL)selector

Parameters

object: The object instance to be removed from everlive.

target: The object to call selector on.

selector: The selector to call. It should have the following signature: (void)requestCompletedWithResult:(BOOL)success error:(NSError*)error. error will be nill on success.

Declared In

EVDataStore.h

remove:withPredicate:block:

Removes the EVObject in background.

- (void)remove:(Class)aClass withPredicate:(NSPredicate *)predicate block:(EVObjectResultBlock)block

Parameters

aClass: The EVObject type.

predicate: The filers to be applied.

block: The block to execute. The block should have the following argument signature:(void)requestCompletedWithResult(BOOL success, NSError *error)

Declared In

EVDataStore.h

update:block:

updates the EVObject in background.

- (void)update:(id)object block:(EVObjectResultBlock)block

Parameters

object: The object instance to be updated in everlive.

block: The block to execute. The block should have the following argument signature: (BOOL success, NSError *error)

Declared In

EVDataStore.h

update:target:selector:

updates the EVObject in background.

- (void)update:(id)object target:(id)target selector:(SEL)selector

Parameters

object: The object instance to be updated in everlive.

target: The object to call selector on.

selector: The selector to call. It should have the following signature: (void)requestCompletedWithResult:(BOOL)success error:(NSError*)error. error will be nill on success.

Declared In

EVDataStore.h

update:withPredicate:block:

updates the EVObject in background.

- (void)update:(id)object withPredicate:(NSPredicate *)predicate block:(EVObjectResultBlock)block

Parameters

object: The object instance to be updated in everlive.

predicate: The filers to be applied

block: The block to execute. The block should have the following argument signature: (BOOL success, NSError *error)

Declared In

EVDataStore.h