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https://github.com/JohnEstropia/CoreStore.git
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ac8304f977
Addresses #300 – see it for details. Also improves the use of whitespace consistency across the `CustomSchemaMappingProvider.swift` and uses method names for `cs_resolve…` over `cs_resolved…` for better alignment with [Swift API Design Guidelines](https://swift.org/documentation/api-design-guidelines).
62 lines
2.9 KiB
Swift
62 lines
2.9 KiB
Swift
//
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// NSEntityDescription+Migration.swift
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// CoreStore
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//
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// Copyright © 2018 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 CoreData
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import Foundation
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// MARK: - NSEntityDescription
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internal extension NSEntityDescription {
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@nonobjc
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internal func cs_resolveAttributeNames() -> [String: (attribute: NSAttributeDescription, versionHash: Data)] {
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return self.attributesByName.reduce(into: [:], { (result, attribute: (name: String, description: NSAttributeDescription)) in
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result[attribute.name] = (attribute.description, attribute.description.versionHash)
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})
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}
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@nonobjc
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internal func cs_resolveAttributeRenamingIdentities() -> [String: (attribute: NSAttributeDescription, versionHash: Data)] {
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return self.attributesByName.reduce(into: [:], { (result, attribute: (name: String, description: NSAttributeDescription)) in
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result[attribute.description.renamingIdentifier ?? attribute.name] = (attribute.description, attribute.description.versionHash)
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})
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}
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@nonobjc
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internal func cs_resolveRelationshipNames() -> [String: (relationship: NSRelationshipDescription, versionHash: Data)] {
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return self.relationshipsByName.reduce(into: [:], { (result, relationship: (name: String, description: NSRelationshipDescription)) in
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result[relationship.name] = (relationship.description, relationship.description.versionHash)
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})
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}
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@nonobjc
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internal func cs_resolveRelationshipRenamingIdentities() -> [String: (relationship: NSRelationshipDescription, versionHash: Data)] {
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return self.relationshipsByName.reduce(into: [:], { (result, relationship: (name: String, description: NSRelationshipDescription)) in
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result[relationship.description.renamingIdentifier ?? relationship.name] = (relationship.description, relationship.description.versionHash)
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})
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}
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}
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