Added setup and transactions demo

This commit is contained in:
John Rommel Estropia
2015-05-26 01:44:49 +09:00
parent cb867c07ab
commit 1cc4f21336
32 changed files with 1184 additions and 334 deletions

View File

@@ -41,7 +41,8 @@ internal extension NSManagedObjectContext {
internal func fetchOne<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> T? {
let fetchRequest = NSFetchRequest()
fetchRequest.entity = self.entityDescriptionForEntityClass(T)
from.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 1
fetchRequest.resultType = .ManagedObjectResultType
@@ -75,7 +76,8 @@ internal extension NSManagedObjectContext {
internal func fetchAll<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> [T]? {
let fetchRequest = NSFetchRequest()
fetchRequest.entity = self.entityDescriptionForEntityClass(T)
from.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .ManagedObjectResultType
@@ -109,7 +111,7 @@ internal extension NSManagedObjectContext {
internal func fetchCount<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> Int? {
let fetchRequest = NSFetchRequest()
fetchRequest.entity = self.entityDescriptionForEntityClass(T)
from.applyToFetchRequest(fetchRequest, context: self)
for clause in fetchClauses {
@@ -141,7 +143,8 @@ internal extension NSManagedObjectContext {
internal func fetchObjectID<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> NSManagedObjectID? {
let fetchRequest = NSFetchRequest()
fetchRequest.entity = self.entityDescriptionForEntityClass(T)
from.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 1
fetchRequest.resultType = .ManagedObjectIDResultType
@@ -175,7 +178,8 @@ internal extension NSManagedObjectContext {
internal func fetchObjectIDs<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> [NSManagedObjectID]? {
let fetchRequest = NSFetchRequest()
fetchRequest.entity = self.entityDescriptionForEntityClass(T)
from.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .ManagedObjectIDResultType
@@ -209,7 +213,8 @@ internal extension NSManagedObjectContext {
internal func deleteAll<T: NSManagedObject>(from: From<T>, _ deleteClauses: [DeleteClause]) -> Int? {
let fetchRequest = NSFetchRequest()
fetchRequest.entity = self.entityDescriptionForEntityClass(T)
from.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .ManagedObjectResultType
fetchRequest.returnsObjectsAsFaults = true
@@ -254,7 +259,8 @@ internal extension NSManagedObjectContext {
internal func queryValue<T: NSManagedObject, U: SelectValueResultType>(from: From<T>, _ selectClause: Select<U>, _ queryClauses: [QueryClause]) -> U? {
let fetchRequest = NSFetchRequest()
fetchRequest.entity = self.entityDescriptionForEntityClass(T)
from.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
selectClause.applyToFetchRequest(fetchRequest)
@@ -294,7 +300,8 @@ internal extension NSManagedObjectContext {
internal func queryAttributes<T: NSManagedObject>(from: From<T>, _ selectClause: Select<NSDictionary>, _ queryClauses: [QueryClause]) -> [[NSString: AnyObject]]? {
let fetchRequest = NSFetchRequest()
fetchRequest.entity = self.entityDescriptionForEntityClass(T)
from.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
selectClause.applyToFetchRequest(fetchRequest)