starred/CoreStore
1
0
Fork 0
mirror of https://github.com/JohnEstropia/CoreStore.git synced 2026-04-17 22:49:41 +02:00
Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP

Browse Source
This commit is contained in:
John Rommel Estropia
2017-04-26 08:31:37 +09:00
parent 54129f7362
commit 6d04806608
1 changed files with 50 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
Sources/Migrating/Migration Mapping Providers/MigrationMappingProvider.swift
View File

@@ -37,6 +37,9 @@ public protocol SchemaMappingProvider {
func createMappingModel() throws -> (mappingModel: NSMappingModel, migrationType: MigrationType) func createMappingModel() throws -> (mappingModel: NSMappingModel, migrationType: MigrationType)
} }
// MARK: - EntityMappingProvider
public protocol EntityMappingProvider { public protocol EntityMappingProvider {
var source: (schema: DynamicSchema, entity: DynamicEntity) { get } var source: (schema: DynamicSchema, entity: DynamicEntity) { get }
@@ -46,33 +49,68 @@ public protocol EntityMappingProvider {
} }
// MARK: - XcodeMappingModelProvider // MARK: - LightweightMappingModelProvider
open class XcodeMappingModelProvider<S: DynamicSchema, D: DynamicSchema>: SchemaMappingProvider { open class LightweightMappingModelProvider<SourceSchema: DynamicSchema, DestinationSchema: DynamicSchema>: SchemaMappingProvider {
private let mappingModelBundles: [Bundle] public required init(source: SourceSchema, destination: DestinationSchema) {
public required init(source: SourceSchema, destination: DestinationSchema, mappingModelBundles: [Bundle] = Bundle.allBundles) {
self.sourceSchema = source self.sourceSchema = source
self.destinationSchema = destination self.destinationSchema = destination
self.mappingModelBundles = mappingModelBundles
} }
// MARK: SchemaMappingProvider // MARK: SchemaMappingProvider
public typealias SourceSchema = S public let sourceSchema: DynamicSchema
public typealias DestinationSchema = D public let destinationSchema: DynamicSchema
public let sourceSchema: SourceSchema
public let destinationSchema: DestinationSchema
public func createMappingModel() throws -> (mappingModel: NSMappingModel, migrationType: MigrationType) { public func createMappingModel() throws -> (mappingModel: NSMappingModel, migrationType: MigrationType) {
let sourceModel = self.sourceSchema.rawModel() let sourceModel = self.sourceSchema.rawModel()
let destinationModel = self.destinationSchema.rawModel() let destinationModel = self.destinationSchema.rawModel()
let mappingModel = try NSMappingModel.inferredMappingModel(
forSourceModel: sourceModel,
destinationModel: destinationModel
)
return (
mappingModel,
.lightweight(
sourceVersion: self.sourceSchema.modelVersion,
destinationVersion: self.destinationSchema.modelVersion
)
)
}
}
// MARK: - XcodeMappingModelProvider
open class XcodeMappingModelProvider<SourceSchema: DynamicSchema, DestinationSchema: DynamicSchema>: LightweightMappingModelProvider<SourceSchema, DestinationSchema> {
private let mappingModelBundles: [Bundle]
public required init(source: SourceSchema, destination: DestinationSchema, mappingModelBundles: [Bundle]) {
self.mappingModelBundles = mappingModelBundles
super.init(source: source, destination: destination)
}
public required init(source: SourceSchema, destination: DestinationSchema) {
self.mappingModelBundles = Bundle.allBundles
super.init(source: source, destination: destination)
}
// MARK: SchemaMappingProvider
public override func createMappingModel() throws -> (mappingModel: NSMappingModel, migrationType: MigrationType) {
let sourceModel = self.sourceSchema.rawModel()
let destinationModel = self.destinationSchema.rawModel()
if let mappingModel = NSMappingModel( if let mappingModel = NSMappingModel(
from: self.mappingModelBundles, from: self.mappingModelBundles,
forSourceModel: sourceModel, forSourceModel: sourceModel,
@@ -86,18 +124,7 @@ open class XcodeMappingModelProvider<S: DynamicSchema, D: DynamicSchema>: Schema
) )
) )
} }
return try super.createMappingModel()
let mappingModel = try NSMappingModel.inferredMappingModel(
forSourceModel: sourceModel,
destinationModel: destinationModel
)
return (
mappingModel,
.lightweight(
sourceVersion: self.sourceSchema.modelVersion,
destinationVersion: self.destinationSchema.modelVersion
)
)
} }
} }