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Flatten file directories (fixes #159)
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75
Sources/CSObjectObserver.swift
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75
Sources/CSObjectObserver.swift
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//
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// CSObjectObserver.swift
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// CoreStore
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//
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// Copyright © 2016 John Rommel Estropia
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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import CoreData
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#if os(iOS) || os(watchOS) || os(tvOS)
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// MARK: - CSObjectObserver
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/**
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Implement the `CSObjectObserver` protocol to observe changes to a single `NSManagedObject` instance. `CSObjectObserver`s may register themselves to a `CSObjectMonitor`'s `-addObjectObserver:` method:
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```
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CSObjectMonitor *monitor = [CSCoreStore monitorObject:myObject];
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[monitor addObjectObserver:self];
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```
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- SeeAlso: `ObjectObserver`
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*/
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@objc
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public protocol CSObjectObserver: class, AnyObject {
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/**
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Handles processing just before a change to the observed `object` occurs
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- parameter monitor: the `CSObjectMonitor` monitoring the object being observed
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- parameter object: the `NSManagedObject` instance being observed
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*/
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@objc
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optional func objectMonitor(_ monitor: CSObjectMonitor, willUpdateObject object: Any)
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/**
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Handles processing right after a change to the observed `object` occurs
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- parameter monitor: the `CSObjectMonitor` monitoring the object being observed
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- parameter object: the `NSManagedObject` instance being observed
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- parameter changedPersistentKeys: an `NSSet` of key paths for the attributes that were changed. Note that `changedPersistentKeys` only contains keys for attributes/relationships present in the persistent store, thus transient properties will not be reported.
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*/
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@objc
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optional func objectMonitor(_ monitor: CSObjectMonitor, didUpdateObject object: Any, changedPersistentKeys: Set<String>)
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/**
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Handles processing right after `object` is deleted
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- parameter monitor: the `CSObjectMonitor` monitoring the object being observed
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- parameter object: the `NSManagedObject` instance being observed
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*/
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@objc
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optional func objectMonitor(_ monitor: CSObjectMonitor, didDeleteObject object: Any)
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}
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#endif
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