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Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP: query chains!

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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
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93
Sources/NSManagedObjectContext+Querying.swift
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@@ -34,7 +34,7 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
// MARK: FetchableSource
@nonobjc
public func fetchExisting<T: DynamicObject>(_ object: T) -> T? {
public func fetchExisting<D: DynamicObject>(_ object: D) -> D? {
let rawObject = object.cs_toRaw()
if rawObject.objectID.isTemporaryID {
@@ -62,7 +62,7 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
return object
}
return T.cs_fromRaw(object: existingRawObject)
return D.cs_fromRaw(object: existingRawObject)
}
catch {
@@ -75,12 +75,12 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
}
@nonobjc
public func fetchExisting<T: DynamicObject>(_ objectID: NSManagedObjectID) -> T? {
public func fetchExisting<D: DynamicObject>(_ objectID: NSManagedObjectID) -> D? {
do {
let existingObject = try self.existingObject(with: objectID)
return T.cs_fromRaw(object: existingObject)
return D.cs_fromRaw(object: existingObject)
}
catch _ {
@@ -89,25 +89,25 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
}
@nonobjc
public func fetchExisting<T: DynamicObject, S: Sequence>(_ objects: S) -> [T] where S.Iterator.Element == T {
public func fetchExisting<D: DynamicObject, S: Sequence>(_ objects: S) -> [D] where S.Iterator.Element == D {
return objects.flatMap({ self.fetchExisting($0.cs_id()) })
}
@nonobjc
public func fetchExisting<T: DynamicObject, S: Sequence>(_ objectIDs: S) -> [T] where S.Iterator.Element == NSManagedObjectID {
public func fetchExisting<D: DynamicObject, S: Sequence>(_ objectIDs: S) -> [D] where S.Iterator.Element == NSManagedObjectID {
return objectIDs.flatMap({ self.fetchExisting($0) })
}
@nonobjc
public func fetchOne<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> T? {
public func fetchOne<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> D? {
return self.fetchOne(from, fetchClauses)
}
@nonobjc
public func fetchOne<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> T? {
public func fetchOne<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> D? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.applyToFetchRequest(fetchRequest, context: self)
@@ -123,14 +123,21 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
return self.fetchOne(fetchRequest.dynamicCast()).flatMap(from.entityClass.cs_fromRaw)
}
// TODO: docs
@nonobjc
public func fetchAll<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> [T]? {
public func fetchOne<B: FetchChainableBuilderType>(_ clauseChain: B) -> B.ObjectType? {
return self.fetchOne(clauseChain.from, clauseChain.fetchClauses)
}
@nonobjc
public func fetchAll<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> [D]? {
return self.fetchAll(from, fetchClauses)
}
@nonobjc
public func fetchAll<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> [T]? {
public func fetchAll<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> [D]? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.applyToFetchRequest(fetchRequest, context: self)
@@ -147,14 +154,21 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
return self.fetchAll(fetchRequest.dynamicCast())?.map(entityClass.cs_fromRaw)
}
// TODO: docs
@nonobjc
public func fetchCount<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> Int? {
public func fetchAll<B: FetchChainableBuilderType>(_ clauseChain: B) -> [B.ObjectType]? {
return self.fetchAll(clauseChain.from, clauseChain.fetchClauses)
}
@nonobjc
public func fetchCount<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> Int? {
return self.fetchCount(from, fetchClauses)
}
@nonobjc
public func fetchCount<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> Int? {
public func fetchCount<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> Int? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.applyToFetchRequest(fetchRequest, context: self)
@@ -167,14 +181,21 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
return self.fetchCount(fetchRequest.dynamicCast())
}
// TODO: docs
@nonobjc
public func fetchObjectID<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> NSManagedObjectID? {
public func fetchCount<B: FetchChainableBuilderType>(_ clauseChain: B) -> Int? {
return self.fetchCount(clauseChain.from, clauseChain.fetchClauses)
}
@nonobjc
public func fetchObjectID<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> NSManagedObjectID? {
return self.fetchObjectID(from, fetchClauses)
}
@nonobjc
public func fetchObjectID<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> NSManagedObjectID? {
public func fetchObjectID<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> NSManagedObjectID? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.applyToFetchRequest(fetchRequest, context: self)
@@ -190,14 +211,21 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
return self.fetchObjectID(fetchRequest.dynamicCast())
}
// TODO: docs
@nonobjc
public func fetchObjectIDs<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> [NSManagedObjectID]? {
public func fetchObjectID<B: FetchChainableBuilderType>(_ clauseChain: B) -> NSManagedObjectID? {
return self.fetchObjectID(clauseChain.from, clauseChain.fetchClauses)
}
@nonobjc
public func fetchObjectIDs<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> [NSManagedObjectID]? {
return self.fetchObjectIDs(from, fetchClauses)
}
@nonobjc
public func fetchObjectIDs<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> [NSManagedObjectID]? {
public func fetchObjectIDs<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> [NSManagedObjectID]? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.applyToFetchRequest(fetchRequest, context: self)
@@ -213,6 +241,13 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
return self.fetchObjectIDs(fetchRequest.dynamicCast())
}
// TODO: docs
@nonobjc
public func fetchObjectIDs<B: FetchChainableBuilderType>(_ clauseChain: B) -> [NSManagedObjectID]? {
return self.fetchObjectIDs(clauseChain.from, clauseChain.fetchClauses)
}
@nonobjc
internal func fetchObjectIDs(_ fetchRequest: NSFetchRequest<NSManagedObjectID>) -> [NSManagedObjectID]? {
@@ -244,13 +279,13 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
// MARK: QueryableSource
@nonobjc
public func queryValue<T, U: QueryableAttributeType>(_ from: From<T>, _ selectClause: Select<U>, _ queryClauses: QueryClause...) -> U? {
public func queryValue<D, U: QueryableAttributeType>(_ from: From<D>, _ selectClause: Select<U>, _ queryClauses: QueryClause...) -> U? {
return self.queryValue(from, selectClause, queryClauses)
}
@nonobjc
public func queryValue<T, U: QueryableAttributeType>(_ from: From<T>, _ selectClause: Select<U>, _ queryClauses: [QueryClause]) -> U? {
public func queryValue<D, U: QueryableAttributeType>(_ from: From<D>, _ selectClause: Select<U>, _ queryClauses: [QueryClause]) -> U? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.applyToFetchRequest(fetchRequest, context: self)
@@ -269,13 +304,13 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
}
@nonobjc
public func queryAttributes<T>(_ from: From<T>, _ selectClause: Select<NSDictionary>, _ queryClauses: QueryClause...) -> [[String: Any]]? {
public func queryAttributes<D>(_ from: From<D>, _ selectClause: Select<NSDictionary>, _ queryClauses: QueryClause...) -> [[String: Any]]? {
return self.queryAttributes(from, selectClause, queryClauses)
}
@nonobjc
public func queryAttributes<T>(_ from: From<T>, _ selectClause: Select<NSDictionary>, _ queryClauses: [QueryClause]) -> [[String: Any]]? {
public func queryAttributes<D>(_ from: From<D>, _ selectClause: Select<NSDictionary>, _ queryClauses: [QueryClause]) -> [[String: Any]]? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.applyToFetchRequest(fetchRequest, context: self)
@@ -305,13 +340,7 @@ extension NSManagedObjectContext: FetchableSource, QueryableSource {
// MARK: Deleting
@nonobjc
internal func deleteAll<T>(_ from: From<T>, _ deleteClauses: DeleteClause...) -> Int? {
return self.deleteAll(from, deleteClauses)
}
@nonobjc
internal func deleteAll<T>(_ from: From<T>, _ deleteClauses: [DeleteClause]) -> Int? {
internal func deleteAll<D>(_ from: From<D>, _ deleteClauses: [FetchClause]) -> Int? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.applyToFetchRequest(fetchRequest, context: self)
@@ -347,9 +376,9 @@ internal extension NSManagedObjectContext {
// MARK: Fetching
@nonobjc
internal func fetchOne<T: NSManagedObject>(_ fetchRequest: NSFetchRequest<T>) -> T? {
internal func fetchOne<D: NSManagedObject>(_ fetchRequest: NSFetchRequest<D>) -> D? {
var fetchResults: [T]?
var fetchResults: [D]?
var fetchError: Error?
self.performAndWait {
@@ -374,9 +403,9 @@ internal extension NSManagedObjectContext {
}
@nonobjc
internal func fetchAll<T: NSManagedObject>(_ fetchRequest: NSFetchRequest<T>) -> [T]? {
internal func fetchAll<D: NSManagedObject>(_ fetchRequest: NSFetchRequest<D>) -> [D]? {
var fetchResults: [T]?
var fetchResults: [D]?
var fetchError: Error?
self.performAndWait {
@@ -555,7 +584,7 @@ internal extension NSManagedObjectContext {
// MARK: Deleting
@nonobjc
internal func deleteAll<T: NSManagedObject>(_ fetchRequest: NSFetchRequest<T>) -> Int? {
internal func deleteAll<D: NSManagedObject>(_ fetchRequest: NSFetchRequest<D>) -> Int? {
var numberOfDeletedObjects: Int?
var fetchError: Error?