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Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP

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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
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73
Sources/Migrating/Migration Mapping Providers/MigrationMappingProvider.swift
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@@ -37,6 +37,9 @@ public protocol SchemaMappingProvider {
func createMappingModel() throws -> (mappingModel: NSMappingModel, migrationType: MigrationType)
}
// MARK: - EntityMappingProvider
public protocol EntityMappingProvider {
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, mappingModelBundles: [Bundle] = Bundle.allBundles) {
public required init(source: SourceSchema, destination: DestinationSchema) {
self.sourceSchema = source
self.destinationSchema = destination
self.mappingModelBundles = mappingModelBundles
}
// MARK: SchemaMappingProvider
public typealias SourceSchema = S
public typealias DestinationSchema = D
public let sourceSchema: SourceSchema
public let destinationSchema: DestinationSchema
public let sourceSchema: DynamicSchema
public let destinationSchema: DynamicSchema
public func createMappingModel() throws -> (mappingModel: NSMappingModel, migrationType: MigrationType) {
let sourceModel = self.sourceSchema.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(
from: self.mappingModelBundles,
forSourceModel: sourceModel,
@@ -86,18 +124,7 @@ open class XcodeMappingModelProvider<S: DynamicSchema, D: DynamicSchema>: Schema
)
)
}
let mappingModel = try NSMappingModel.inferredMappingModel(
forSourceModel: sourceModel,
destinationModel: destinationModel
)
return (
mappingModel,
.lightweight(
sourceVersion: self.sourceSchema.modelVersion,
destinationVersion: self.destinationSchema.modelVersion
)
)
return try super.createMappingModel()
}
}