WIP: query chains!

This commit is contained in:
John Rommel Estropia
2017-07-09 10:44:53 +09:00
parent aff966aac9
commit 535eb76adc
40 changed files with 1783 additions and 1004 deletions

View File

@@ -39,9 +39,9 @@ public extension BaseDataTransaction {
- throws: an `Error` thrown from any of the `ImportableObject` methods
- returns: the created `ImportableObject` instance, or `nil` if the import was ignored
*/
public func importObject<T: DynamicObject & ImportableObject>(
_ into: Into<T>,
source: T.ImportSource) throws -> T? {
public func importObject<D: ImportableObject>(
_ into: Into<D>,
source: D.ImportSource) throws -> D? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -69,9 +69,9 @@ public extension BaseDataTransaction {
- parameter source: the object to import values from
- throws: an `Error` thrown from any of the `ImportableObject` methods
*/
public func importObject<T: DynamicObject & ImportableObject>(
_ object: T,
source: T.ImportSource) throws {
public func importObject<D: ImportableObject>(
_ object: D,
source: D.ImportSource) throws {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -97,9 +97,9 @@ public extension BaseDataTransaction {
- throws: an `Error` thrown from any of the `ImportableObject` methods
- returns: the array of created `ImportableObject` instances
*/
public func importObjects<T: DynamicObject & ImportableObject, S: Sequence>(
_ into: Into<T>,
sourceArray: S) throws -> [T] where S.Iterator.Element == T.ImportSource {
public func importObjects<D: ImportableObject, S: Sequence>(
_ into: Into<D>,
sourceArray: S) throws -> [D] where S.Iterator.Element == D.ImportSource {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -108,7 +108,7 @@ public extension BaseDataTransaction {
return try autoreleasepool {
return try sourceArray.flatMap { (source) -> T? in
return try sourceArray.flatMap { (source) -> D? in
let entityType = into.entityClass
guard entityType.shouldInsert(from: source, in: self) else {
@@ -133,9 +133,9 @@ public extension BaseDataTransaction {
- throws: an `Error` thrown from any of the `ImportableUniqueObject` methods
- returns: the created/updated `ImportableUniqueObject` instance, or `nil` if the import was ignored
*/
public func importUniqueObject<T: DynamicObject & ImportableUniqueObject>(
_ into: Into<T>,
source: T.ImportSource) throws -> T? {
public func importUniqueObject<D: ImportableUniqueObject>(
_ into: Into<D>,
source: D.ImportSource) throws -> D? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -151,7 +151,7 @@ public extension BaseDataTransaction {
return nil
}
if let object = self.fetchOne(From(entityType), Where(uniqueIDKeyPath, isEqualTo: uniqueIDValue)) {
if let object = self.fetchOne(From(entityType), Where<D>(uniqueIDKeyPath, isEqualTo: uniqueIDValue)) {
guard entityType.shouldUpdate(from: source, in: self) else {
@@ -185,10 +185,10 @@ public extension BaseDataTransaction {
- throws: an `Error` thrown from any of the `ImportableUniqueObject` methods
- returns: the array of created/updated `ImportableUniqueObject` instances
*/
public func importUniqueObjects<T: DynamicObject & ImportableUniqueObject, S: Sequence>(
_ into: Into<T>,
public func importUniqueObjects<D: ImportableUniqueObject, S: Sequence>(
_ into: Into<D>,
sourceArray: S,
preProcess: @escaping (_ mapping: [T.UniqueIDType: T.ImportSource]) throws -> [T.UniqueIDType: T.ImportSource] = { $0 }) throws -> [T] where S.Iterator.Element == T.ImportSource {
preProcess: @escaping (_ mapping: [D.UniqueIDType: D.ImportSource]) throws -> [D.UniqueIDType: D.ImportSource] = { $0 }) throws -> [D] where S.Iterator.Element == D.ImportSource {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -198,10 +198,10 @@ public extension BaseDataTransaction {
return try autoreleasepool {
let entityType = into.entityClass
var importSourceByID = Dictionary<T.UniqueIDType, T.ImportSource>()
var importSourceByID = Dictionary<D.UniqueIDType, D.ImportSource>()
let sortedIDs = try autoreleasepool {
return try sourceArray.flatMap { (source) -> T.UniqueIDType? in
return try sourceArray.flatMap { (source) -> D.UniqueIDType? in
guard let uniqueIDValue = try entityType.uniqueID(from: source, in: self) else {
@@ -214,12 +214,12 @@ public extension BaseDataTransaction {
importSourceByID = try autoreleasepool { try preProcess(importSourceByID) }
var existingObjectsByID = Dictionary<T.UniqueIDType, T>()
self.fetchAll(From(entityType), Where(entityType.uniqueIDKeyPath, isMemberOf: sortedIDs))?
var existingObjectsByID = Dictionary<D.UniqueIDType, D>()
self.fetchAll(From(entityType), Where<D>(entityType.uniqueIDKeyPath, isMemberOf: sortedIDs))?
.forEach { existingObjectsByID[$0.uniqueIDValue] = $0 }
var processedObjectIDs = Set<T.UniqueIDType>()
var result = [T]()
var processedObjectIDs = Set<D.UniqueIDType>()
var result = [D]()
for objectID in sortedIDs where !processedObjectIDs.contains(objectID) {