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WIP: transactions in ObjC

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This commit is contained in:
John Estropia
2016-03-23 11:32:35 +09:00
parent 24008d62b2
commit 2c65ac1834
14 changed files with 893 additions and 75 deletions
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94
Sources/CoreStoreError.swift
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@@ -29,7 +29,7 @@ import CoreData
// MARK: - CoreStoreError
public enum CoreStoreError: ErrorType, CustomStringConvertible, CustomDebugStringConvertible {
public enum CoreStoreError: ErrorType, CustomStringConvertible, CustomDebugStringConvertible, Equatable {
/**
A failure occured because of an unknown error.
@@ -61,26 +61,21 @@ public enum CoreStoreError: ErrorType, CustomStringConvertible, CustomDebugStrin
public var _domain: String {
return "com.corestore.error"
return CoreStoreErrorDomain
}
public var _code: Int {
switch self {
case .Unknown: return Code.Unknown.rawValue
case .DifferentStorageExistsAtURL: return Code.DifferentStorageExistsAtURL.rawValue
case .MappingModelNotFound: return Code.MappingModelNotFound.rawValue
case .ProgressiveMigrationRequired: return Code.ProgressiveMigrationRequired.rawValue
case .InternalError: return Code.InternalError.rawValue
case .Unknown: return CoreStoreErrorCode.UnknownError.rawValue
case .DifferentStorageExistsAtURL: return CoreStoreErrorCode.DifferentPersistentStoreExistsAtURL.rawValue
case .MappingModelNotFound: return CoreStoreErrorCode.MappingModelNotFound.rawValue
case .ProgressiveMigrationRequired: return CoreStoreErrorCode.ProgressiveMigrationRequired.rawValue
case .InternalError: return CoreStoreErrorCode.InternalError.rawValue
}
}
public var _userInfo: [NSObject: AnyObject] {
return ["test": 1]
}
// MARK: CustomStringConvertible
@@ -105,33 +100,51 @@ public enum CoreStoreError: ErrorType, CustomStringConvertible, CustomDebugStrin
self = error.flatMap { $0.swift } ?? .Unknown
}
}
// MARK: - CoreStoreError: Equatable
@warn_unused_result
public func == (lhs: CoreStoreError, rhs: CoreStoreError) -> Bool {
// MARK: Private
private enum Code: Int {
switch (lhs, rhs) {
case Unknown
case DifferentStorageExistsAtURL
case MappingModelNotFound
case ProgressiveMigrationRequired
case InternalError
case (.Unknown, .Unknown):
return true
case (.DifferentStorageExistsAtURL(let url1), .DifferentStorageExistsAtURL(let url2)):
return url1 == url2
case (.MappingModelNotFound(let url1, let model1, let version1), .MappingModelNotFound(let url2, let model2, let version2)):
return url1 == url2 && model1 == model2 && version1 == version2
case (.ProgressiveMigrationRequired(let url1), .ProgressiveMigrationRequired(let url2)):
return url1 == url2
case (.InternalError(let NSError1), .InternalError(let NSError2)):
return NSError1 == NSError2
default:
return false
}
}
// MARK: - CoreStoreErrorDomain
/**
The `NSError` error domain for `CoreStore`.
*/
@nonobjc
public let CoreStoreErrorDomain = "com.corestore.error"
// MARK: - CoreStoreErrorCode
/**
The `NSError` error domain for `CoreStore`.
*/
@available(*, deprecated=2.0.0, message="Use CoreStoreError enum values instead.")
public let CoreStoreErrorDomain = "com.corestore.error"
/**
The `NSError` error codes for `CoreStoreErrorDomain`.
*/
@available(*, deprecated=2.0.0, message="Use CoreStoreError enum values instead.")
public enum CoreStoreErrorCode: Int {
/**
@@ -153,6 +166,11 @@ public enum CoreStoreErrorCode: Int {
Progressive migrations are disabled for a store, but an `NSMappingModel` could not be found for a specific source and destination model versions.
*/
case ProgressiveMigrationRequired
/**
An internal SDK call failed with the specified "NSError" userInfo key.
*/
case InternalError
}
@@ -203,12 +221,12 @@ internal extension ErrorType {
return .Unknown
}
guard error.domain == "com.corestore.error" else {
guard error.domain == CoreStoreErrorDomain else {
return .InternalError(NSError: error)
}
guard let code = CoreStoreError.Code(rawValue: error.code) else {
guard let code = CoreStoreErrorCode(rawValue: error.code) else {
return .Unknown
}
@@ -216,10 +234,10 @@ internal extension ErrorType {
let info = error.userInfo
switch code {
case .Unknown:
case .UnknownError:
return .Unknown
case .DifferentStorageExistsAtURL:
case .DifferentPersistentStoreExistsAtURL:
guard case let existingPersistentStoreURL as NSURL = info["existingPersistentStoreURL"] else {
return .Unknown
@@ -253,23 +271,21 @@ internal extension ErrorType {
internal var objc: NSError {
let domain = "com.corestore.error"
guard let error = self as? CoreStoreError else {
return ((self as Any) as? NSError)
?? NSError(domain: domain, code: CoreStoreError.Code.Unknown.rawValue, userInfo: [:])
return ((self as Any) as? NSError) ?? self as NSError
}
let code: CoreStoreError.Code
let code: CoreStoreErrorCode
let info: [NSObject: AnyObject]
switch error {
case .Unknown:
code = .Unknown
code = .UnknownError
info = [:]
case .DifferentStorageExistsAtURL(let existingPersistentStoreURL):
code = .DifferentStorageExistsAtURL
code = .DifferentPersistentStoreExistsAtURL
info = [
"existingPersistentStoreURL": existingPersistentStoreURL
]
@@ -295,6 +311,6 @@ internal extension ErrorType {
]
}
return NSError(domain: domain, code: code.rawValue, userInfo: info)
return NSError(domain: CoreStoreErrorDomain, code: code.rawValue, userInfo: info)
}
}