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Code Issues 95 Packages Projects Releases 10 Wiki Activity

Field.Relationship propertyWrapper

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John Estropia
2020-01-20 17:13:01 +09:00
parent bcc2d9def3
commit 92ad895044
12 changed files with 881 additions and 304 deletions
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37
Sources/CoreStoreSchema.swift
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@@ -339,6 +339,23 @@ public final class CoreStoreSchema: DynamicSchema {
keyPathsByAffectedKeyPaths[attribute.keyPath] = entityDescriptionValues.affectedByKeyPaths
customGetterSetterByKeyPaths[attribute.keyPath] = (attribute.getter, attribute.setter)
fieldCoders[attribute.keyPath] = valueTransformer
case let relationship as FieldRelationshipProtocol:
Internals.assert(
!NSManagedObject.instancesRespond(to: Selector(relationship.keyPath)),
"Relationship Property name \"\(String(reflecting: entity.type)).\(relationship.keyPath)\" is not allowed because it collides with \"\(String(reflecting: NSManagedObject.self)).\(relationship.keyPath)\""
)
let entityDescriptionValues = relationship.entityDescriptionValues()
let description = NSRelationshipDescription()
description.name = relationship.keyPath
description.minCount = entityDescriptionValues.minCount
description.maxCount = entityDescriptionValues.maxCount
description.isOrdered = entityDescriptionValues.isOrdered
description.deleteRule = entityDescriptionValues.deleteRule
description.versionHashModifier = entityDescriptionValues.versionHashModifier
description.renamingIdentifier = entityDescriptionValues.renamingIdentifier
propertyDescriptions.append(description)
keyPathsByAffectedKeyPaths[relationship.keyPath] = entityDescriptionValues.affectedByKeyPaths
case let attribute as AttributeProtocol:
Internals.assert(
@@ -437,6 +454,26 @@ public final class CoreStoreSchema: DynamicSchema {
for property in entityType.metaProperties(includeSuperclasses: false) {
switch property {
case let relationship as FieldRelationshipProtocol:
let (destinationType, destinationKeyPath) = relationship.entityDescriptionValues().inverse
let destinationEntity = findEntity(for: destinationType)
let description = relationshipsByName[relationship.keyPath]!
description.destinationEntity = entityDescriptionsByEntity[destinationEntity]!
if let destinationKeyPath = destinationKeyPath {
let inverseRelationshipDescription = findInverseRelationshipMatching(
destinationEntity: destinationEntity,
destinationKeyPath: destinationKeyPath
)
description.inverseRelationship = inverseRelationshipDescription
inverseRelationshipDescription.inverseRelationship = description
inverseRelationshipDescription.destinationEntity = entityDescription
description.destinationEntity!.properties = description.destinationEntity!.properties
}
case let relationship as RelationshipProtocol:
let (destinationType, destinationKeyPath) = relationship.entityDescriptionValues().inverse