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Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP: objective-C fetching

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This commit is contained in:
John Rommel Estropia
2016-03-27 23:02:24 +09:00
parent 789028bc58
commit b8ea7ecf01
26 changed files with 1939 additions and 198 deletions
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105
Sources/Internal/NSManagedObjectContext+Querying.swift
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@@ -31,8 +31,9 @@ import CoreData
internal extension NSManagedObjectContext {
// MARK: Internal
// MARK: Internal: Fetch Existing
@nonobjc
internal func fetchExisting<T: NSManagedObject>(object: T) -> T? {
if object.objectID.temporaryID {
@@ -69,11 +70,16 @@ internal extension NSManagedObjectContext {
}
}
// MARK: Internal: Fetch One
@nonobjc
internal func fetchOne<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> T? {
return self.fetchOne(from, fetchClauses)
}
@nonobjc
internal func fetchOne<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> T? {
let fetchRequest = NSFetchRequest()
@@ -81,11 +87,13 @@ internal extension NSManagedObjectContext {
fetchRequest.fetchLimit = 1
fetchRequest.resultType = .ManagedObjectResultType
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
for clause in fetchClauses {
clause.applyToFetchRequest(fetchRequest)
}
return self.fetchOne(fetchRequest)
}
@nonobjc
internal func fetchOne<T: NSManagedObject>(fetchRequest: NSFetchRequest) -> T? {
var fetchResults: [T]?
var fetchError: ErrorType?
@@ -112,11 +120,16 @@ internal extension NSManagedObjectContext {
return fetchResults?.first
}
// MARK: Internal: Fetch All
@nonobjc
internal func fetchAll<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> [T]? {
return self.fetchAll(from, fetchClauses)
}
@nonobjc
internal func fetchAll<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> [T]? {
let fetchRequest = NSFetchRequest()
@@ -124,11 +137,13 @@ internal extension NSManagedObjectContext {
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .ManagedObjectResultType
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
for clause in fetchClauses {
clause.applyToFetchRequest(fetchRequest)
}
return self.fetchAll(fetchRequest)
}
@nonobjc
internal func fetchAll<T: NSManagedObject>(fetchRequest: NSFetchRequest) -> [T]? {
var fetchResults: [T]?
var fetchError: ErrorType?
@@ -155,20 +170,27 @@ internal extension NSManagedObjectContext {
return fetchResults
}
// MARK: Internal: Count
@nonobjc
internal func fetchCount<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> Int? {
return self.fetchCount(from, fetchClauses)
}
@nonobjc
internal func fetchCount<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> Int? {
let fetchRequest = NSFetchRequest()
from.applyToFetchRequest(fetchRequest, context: self)
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
for clause in fetchClauses {
clause.applyToFetchRequest(fetchRequest)
}
return self.fetchCount(fetchRequest)
}
@nonobjc
internal func fetchCount(fetchRequest: NSFetchRequest) -> Int? {
var count = 0
var error: NSError?
@@ -188,11 +210,16 @@ internal extension NSManagedObjectContext {
return count
}
// MARK: Internal: Object ID
@nonobjc
internal func fetchObjectID<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> NSManagedObjectID? {
return self.fetchObjectID(from, fetchClauses)
}
@nonobjc
internal func fetchObjectID<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> NSManagedObjectID? {
let fetchRequest = NSFetchRequest()
@@ -200,11 +227,13 @@ internal extension NSManagedObjectContext {
fetchRequest.fetchLimit = 1
fetchRequest.resultType = .ManagedObjectIDResultType
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
for clause in fetchClauses {
clause.applyToFetchRequest(fetchRequest)
}
return self.fetchObjectID(fetchRequest)
}
@nonobjc
internal func fetchObjectID(fetchRequest: NSFetchRequest) -> NSManagedObjectID? {
var fetchResults: [NSManagedObjectID]?
var fetchError: ErrorType?
@@ -231,11 +260,16 @@ internal extension NSManagedObjectContext {
return fetchResults?.first
}
// MARK: Internal: Object IDs
@nonobjc
internal func fetchObjectIDs<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> [NSManagedObjectID]? {
return self.fetchObjectIDs(from, fetchClauses)
}
@nonobjc
internal func fetchObjectIDs<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> [NSManagedObjectID]? {
let fetchRequest = NSFetchRequest()
@@ -243,11 +277,13 @@ internal extension NSManagedObjectContext {
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .ManagedObjectIDResultType
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
for clause in fetchClauses {
clause.applyToFetchRequest(fetchRequest)
}
return self.fetchObjectIDs(fetchRequest)
}
@nonobjc
internal func fetchObjectIDs(fetchRequest: NSFetchRequest) -> [NSManagedObjectID]? {
var fetchResults: [NSManagedObjectID]?
var fetchError: ErrorType?
@@ -274,11 +310,16 @@ internal extension NSManagedObjectContext {
return fetchResults
}
// MARK: Internal: Delete All
@nonobjc
internal func deleteAll<T: NSManagedObject>(from: From<T>, _ deleteClauses: DeleteClause...) -> Int? {
return self.deleteAll(from, deleteClauses)
}
@nonobjc
internal func deleteAll<T: NSManagedObject>(from: From<T>, _ deleteClauses: [DeleteClause]) -> Int? {
let fetchRequest = NSFetchRequest()
@@ -288,11 +329,13 @@ internal extension NSManagedObjectContext {
fetchRequest.resultType = .ManagedObjectResultType
fetchRequest.returnsObjectsAsFaults = true
fetchRequest.includesPropertyValues = false
deleteClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
for clause in deleteClauses {
clause.applyToFetchRequest(fetchRequest)
}
return self.deleteAll(fetchRequest)
}
@nonobjc
internal func deleteAll(fetchRequest: NSFetchRequest) -> Int? {
var numberOfDeletedObjects: Int?
var fetchError: ErrorType?
@@ -302,7 +345,7 @@ internal extension NSManagedObjectContext {
do {
let fetchResults = try self.executeFetchRequest(fetchRequest) as? [T] ?? []
let fetchResults = try self.executeFetchRequest(fetchRequest) as? [NSManagedObject] ?? []
for object in fetchResults {
self.deleteObject(object)
@@ -327,11 +370,16 @@ internal extension NSManagedObjectContext {
return numberOfDeletedObjects
}
// MARK: Internal: Value
@nonobjc
internal func queryValue<T: NSManagedObject, U: SelectValueResultType>(from: From<T>, _ selectClause: Select<U>, _ queryClauses: QueryClause...) -> U? {
return self.queryValue(from, selectClause, queryClauses)
}
@nonobjc
internal func queryValue<T: NSManagedObject, U: SelectValueResultType>(from: From<T>, _ selectClause: Select<U>, _ queryClauses: [QueryClause]) -> U? {
let fetchRequest = NSFetchRequest()
@@ -376,11 +424,16 @@ internal extension NSManagedObjectContext {
return nil
}
// MARK: Internal: Attributes
@nonobjc
internal func queryAttributes<T: NSManagedObject>(from: From<T>, _ selectClause: Select<NSDictionary>, _ queryClauses: QueryClause...) -> [[NSString: AnyObject]]? {
return self.queryAttributes(from, selectClause, queryClauses)
}
@nonobjc
internal func queryAttributes<T: NSManagedObject>(from: From<T>, _ selectClause: Select<NSDictionary>, _ queryClauses: [QueryClause]) -> [[NSString: AnyObject]]? {
let fetchRequest = NSFetchRequest()