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Code Issues 95 Packages Projects Releases 10 Wiki Activity

added a convenience initializer for clients that only support NSFetchedResultsController (i.e. Objective-C)

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John Estropia
2015-11-24 19:12:04 +09:00
parent b741626574
commit 578e4966fc
5 changed files with 63 additions and 22 deletions
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50
CoreStore/Convenience Helpers/NSFetchedResultsController+Convenience.swift Normal file
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@@ -0,0 +1,50 @@
//
// NSManagedObject+Convenience.swift
// CoreStore
//
// Copyright (c) 2015 John Rommel Estropia
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
import Foundation
import CoreData
// MARK: - NSFetchedResultsController
public extension NSFetchedResultsController {
public convenience init<T: NSManagedObject>(dataStack: DataStack, fetchRequest: NSFetchRequest, from: From<T>? = nil, sectionBy: SectionBy? = nil, fetchClauses: [FetchClause]) {
let context = dataStack.mainContext
from?.applyToFetchRequest(fetchRequest, context: context)
for clause in fetchClauses {
clause.applyToFetchRequest(fetchRequest)
}
self.init(
fetchRequest: fetchRequest,
managedObjectContext: context,
sectionNameKeyPath: sectionBy?.sectionKeyPath,
cacheName: nil
)
}
}

16
CoreStore/Observing/ListMonitor.swift
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@@ -919,27 +919,19 @@ public final class ListMonitor<T: NSManagedObject> {
private init(dataStack: DataStack, from: From<T>, sectionBy: SectionBy?, fetchClauses: [FetchClause], prepareFetch: (ListMonitor<T>, () -> Void) -> Void) {
let context = dataStack.mainContext
let fetchRequest = NSFetchRequest()
from.applyToFetchRequest(fetchRequest, context: context)
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .ManagedObjectResultType
fetchRequest.fetchBatchSize = 20
fetchRequest.includesPendingChanges = false
fetchRequest.shouldRefreshRefetchedObjects = true
for clause in fetchClauses {
clause.applyToFetchRequest(fetchRequest)
}
let fetchedResultsController = NSFetchedResultsController(
dataStack: dataStack,
fetchRequest: fetchRequest,
managedObjectContext: context,
sectionNameKeyPath: sectionBy?.sectionKeyPath,
cacheName: nil
from: from,
sectionBy: sectionBy,
fetchClauses: fetchClauses
)
let fetchedResultsControllerDelegate = FetchedResultsControllerDelegate()

11
CoreStore/Observing/ObjectMonitor.swift
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@@ -167,25 +167,18 @@ public final class ObjectMonitor<T: NSManagedObject> {
internal init(dataStack: DataStack, object: T) {
let context = dataStack.mainContext
let fetchRequest = NSFetchRequest()
fetchRequest.entity = object.entity
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .ManagedObjectResultType
fetchRequest.sortDescriptors = []
fetchRequest.includesPendingChanges = false
fetchRequest.shouldRefreshRefetchedObjects = true
let originalObjectID = object.objectID
Where("SELF", isEqualTo: originalObjectID).applyToFetchRequest(fetchRequest)
let fetchedResultsController = NSFetchedResultsController(
dataStack: dataStack,
fetchRequest: fetchRequest,
managedObjectContext: context,
sectionNameKeyPath: nil,
cacheName: nil
fetchClauses: [Where("SELF", isEqualTo: object.objectID)]
)
let fetchedResultsControllerDelegate = FetchedResultsControllerDelegate()