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Code Issues 95 Packages Projects Releases 10 Wiki Activity

fix migration for CoreStoreObject relationships

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This commit is contained in:
John Rommel Estropia
2017-06-08 01:06:51 +09:00
parent 0354401b56
commit 5fd50f0e15
1 changed files with 18 additions and 20 deletions
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38
Sources/CustomSchemaMappingProvider.swift
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@@ -352,7 +352,7 @@ public class CustomSchemaMappingProvider: Hashable, SchemaMappingProvider {
)
func expression(forSource sourceEntity: NSEntityDescription) -> NSExpression {
return NSExpression(format: "FETCH(FUNCTION($\(NSMigrationManagerKey), \"fetchRequestForSourceEntityNamed:predicateString:\" , \"\(sourceEntity.name!)\", \"\(NSPredicate(value: true))\"), $\(NSMigrationManagerKey).\(#keyPath(NSMigrationManager.sourceContext)), \(false))")
return NSExpression(format: "FETCH(FUNCTION($\(NSMigrationManagerKey), \"fetchRequestForSourceEntityNamed:predicateString:\" , \"\(sourceEntity.name!)\", \"\(NSPredicate(value: true))\"), FUNCTION($\(NSMigrationManagerKey), \"\(#selector(getter: NSMigrationManager.sourceContext))\"), \(false))")
}
let sourceEntitiesByName = sourceModel.entitiesByName
@@ -427,12 +427,11 @@ public class CustomSchemaMappingProvider: Hashable, SchemaMappingProvider {
let destinationAttribute = destination.attribute
let propertyMapping = NSPropertyMapping()
propertyMapping.name = destinationAttribute.name
propertyMapping.valueExpression = NSExpression(format: "$\(NSMigrationSourceObjectKey).\(sourceAttribute.name)")
propertyMapping.valueExpression = NSExpression(format: "FUNCTION($\(NSMigrationSourceObjectKey), \"\(#selector(NSManagedObject.value(forKey:)))\", \"\(sourceAttribute.name)\")")
attributeMappings.append(propertyMapping)
}
return attributeMappings
}
let entityMappingName = entityMapping.name!
entityMapping.relationshipMappings = autoreleasepool { () -> [NSPropertyMapping] in
let sourceRelationships = sourceEntity.cs_resolvedRelationshipRenamingIdentities()
@@ -442,9 +441,11 @@ public class CustomSchemaMappingProvider: Hashable, SchemaMappingProvider {
let sourceRelationship = sourceRelationships[renamingIdentifier]!.relationship
let destinationRelationship = destination.relationship
let sourceRelationshipName = sourceRelationship.name
let propertyMapping = NSPropertyMapping()
propertyMapping.name = destinationRelationship.name
propertyMapping.valueExpression = NSExpression(format: "FUNCTION($\(NSMigrationManagerKey), \"\(#selector(NSMigrationManager.destinationInstances(forEntityMappingName:sourceInstances:)))\", \"\(entityMappingName)\", $\(NSMigrationSourceObjectKey).\(sourceRelationship.name))")
propertyMapping.valueExpression = NSExpression(format: "FUNCTION($\(NSMigrationManagerKey), \"destinationInstancesForSourceRelationshipNamed:sourceInstances:\", \"\(sourceRelationshipName)\", FUNCTION($\(NSMigrationSourceObjectKey), \"\(#selector(NSManagedObject.value(forKey:)))\", \"\(sourceRelationshipName)\"))")
relationshipMappings.append(propertyMapping)
}
return relationshipMappings
@@ -485,23 +486,24 @@ public class CustomSchemaMappingProvider: Hashable, SchemaMappingProvider {
}
userInfo[CustomEntityMigrationPolicy.UserInfoKey.sourceAttributesByDestinationKey] = sourceAttributesByDestinationKey
}
let entityMappingName = entityMapping.name!
entityMapping.relationshipMappings = autoreleasepool { () -> [NSPropertyMapping] in
let sourceRelationships = sourceEntity.cs_resolvedRelationshipRenamingIdentities()
let destinationRelationships = destinationEntity.cs_resolvedRelationshipRenamingIdentities()
let transformedRenamingIdentifiers = Set(destinationRelationships.keys)
.intersection(sourceRelationships.keys)
var relationshipMappings: [NSPropertyMapping] = []
for (renamingIdentifier, destination) in destinationRelationships {
guard let sourceRelationship = sourceRelationships[renamingIdentifier]?.relationship else {
continue
}
let destinationRelationship = destination.relationship
for renamingIdentifier in transformedRenamingIdentifiers {
let sourceRelationship = sourceRelationships[renamingIdentifier]!.relationship
let destinationRelationship = destinationRelationships[renamingIdentifier]!.relationship
let sourceRelationshipName = sourceRelationship.name
let destinationRelationshipName = destinationRelationship.name
let propertyMapping = NSPropertyMapping()
propertyMapping.name = destinationRelationship.name
propertyMapping.valueExpression = NSExpression(format: "FUNCTION($\(NSMigrationManagerKey), \"\(#selector(NSMigrationManager.destinationInstances(forEntityMappingName:sourceInstances:)))\", \"\(entityMappingName)\", $\(NSMigrationSourceObjectKey).\(sourceRelationship.name))")
propertyMapping.name = destinationRelationshipName
propertyMapping.valueExpression = NSExpression(format: "FUNCTION($\(NSMigrationManagerKey), \"destinationInstancesForSourceRelationshipNamed:sourceInstances:\", \"\(sourceRelationshipName)\", FUNCTION($\(NSMigrationSourceObjectKey), \"\(#selector(NSManagedObject.value(forKey:)))\", \"\(sourceRelationshipName)\"))")
relationshipMappings.append(propertyMapping)
}
return relationshipMappings
@@ -553,11 +555,7 @@ public class CustomSchemaMappingProvider: Hashable, SchemaMappingProvider {
)
if let dInstance = destinationObject?.rawObject {
manager.associate(
sourceInstance: sInstance,
withDestinationInstance: dInstance,
for: mapping
)
manager.associate(sourceInstance: sInstance, withDestinationInstance: dInstance, for: mapping)
}
}