mirror of
https://github.com/JohnEstropia/CoreStore.git
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541 lines
18 KiB
Swift
541 lines
18 KiB
Swift
//
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// FetchCondition.swift
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// CoreStore
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//
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// Copyright © 2017 John Rommel Estropia
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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import CoreData
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public protocol FetchChainableBuilderType {
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associatedtype ObjectType: DynamicObject
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var from: From<ObjectType> { get set }
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var fetchClauses: [FetchClause] { get set }
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}
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public protocol QueryChainableBuilderType {
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associatedtype ObjectType: DynamicObject
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associatedtype ResultType: SelectResultType
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var from: From<ObjectType> { get set }
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var select: Select<ObjectType, ResultType> { get set }
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var queryClauses: [QueryClause] { get set }
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}
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@available(OSX 10.12, *)
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public protocol SectionMonitorBuilderType {
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associatedtype ObjectType: DynamicObject
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var from: From<ObjectType> { get set }
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var sectionBy: SectionBy<ObjectType> { get set }
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var fetchClauses: [FetchClause] { get set }
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}
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// MARK: - FetchChainBuilder
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public struct FetchChainBuilder<D: DynamicObject>: FetchChainableBuilderType {
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// MARK: FetchChainableBuilderType
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public typealias ObjectType = D
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public var from: From<D>
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public var fetchClauses: [FetchClause] = []
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}
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// MARK: - QueryChainBuilder
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public struct QueryChainBuilder<D: DynamicObject, R: SelectResultType>: QueryChainableBuilderType {
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// MARK: QueryChainableBuilderType
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public typealias ObjectType = D
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public typealias ResultType = R
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public var from: From<D>
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public var select: Select<D, R>
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public var queryClauses: [QueryClause] = []
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}
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// MARK: - SectionMonitorChainBuilder
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@available(OSX 10.12, *)
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public struct SectionMonitorChainBuilder<D: DynamicObject>: SectionMonitorBuilderType {
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// MARK: SectionMonitorBuilderType
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public var from: From<D>
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public var sectionBy: SectionBy<D>
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public var fetchClauses: [FetchClause] = []
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}
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// MARK: - From
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public extension From {
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public func select<R>(_ clause: Select<D, R>) -> QueryChainBuilder<D, R> {
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return .init(
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from: self,
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select: clause,
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queryClauses: []
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)
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}
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public func select<R>(_ resultType: R.Type, _ selectTerm: SelectTerm<D>, _ selectTerms: SelectTerm<D>...) -> QueryChainBuilder<D, R> {
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return self.select(resultType, [selectTerm] + selectTerms)
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}
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public func select<R>(_ resultType: R.Type, _ selectTerms: [SelectTerm<D>]) -> QueryChainBuilder<D, R> {
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return .init(
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from: self,
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select: .init(selectTerms),
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queryClauses: []
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)
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}
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@available(OSX 10.12, *)
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public func sectionBy(_ clause: SectionBy<D>) -> SectionMonitorChainBuilder<D> {
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return .init(
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from: self,
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sectionBy: clause,
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fetchClauses: []
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)
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}
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@available(OSX 10.12, *)
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public func sectionBy(_ sectionKeyPath: KeyPathString) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(sectionKeyPath, { $0 })
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}
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@available(OSX 10.12, *)
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public func sectionBy(_ sectionKeyPath: KeyPathString, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
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return .init(
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from: self,
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sectionBy: .init(sectionKeyPath, sectionIndexTransformer),
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fetchClauses: []
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)
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}
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public func `where`(_ clause: Where<D>) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: clause)
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}
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public func `where`(format: String, _ args: Any...) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: Where<D>(format, argumentArray: args))
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}
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public func `where`(format: String, argumentArray: [Any]?) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: Where<D>(format, argumentArray: argumentArray))
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}
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public func orderBy(_ sortKey: OrderBy<D>.SortKey, _ sortKeys: OrderBy<D>.SortKey...) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: OrderBy<D>([sortKey] + sortKeys))
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}
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public func tweak(_ fetchRequest: @escaping (NSFetchRequest<NSFetchRequestResult>) -> Void) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: Tweak(fetchRequest))
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}
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public func appending(_ clause: FetchClause) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: clause)
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}
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public func appending<S: Sequence>(contentsOf clauses: S) -> FetchChainBuilder<D> where S.Element == FetchClause {
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return self.fetchChain(appending: clauses)
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}
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// MARK: Private
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private func fetchChain(appending clause: FetchClause) -> FetchChainBuilder<D> {
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return .init(from: self, fetchClauses: [clause])
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}
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private func fetchChain<S: Sequence>(appending clauses: S) -> FetchChainBuilder<D> where S.Element == FetchClause {
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return .init(from: self, fetchClauses: Array(clauses))
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}
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}
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public extension From where D: NSManagedObject {
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public func select<R>(_ keyPath: KeyPath<D, R>) -> QueryChainBuilder<D, R> {
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return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, T>) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(sectionKeyPath._kvcKeyPathString!, { $0 })
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, T>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(sectionKeyPath._kvcKeyPathString!, sectionIndexTransformer)
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}
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}
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public extension From where D: CoreStoreObject {
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public func `where`<T: AnyWhereClause>(_ clause: (D) -> T) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: clause(D.meta))
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}
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public func select<R>(_ keyPath: KeyPath<D, ValueContainer<D>.Required<R>>) -> QueryChainBuilder<D, R> {
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return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
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}
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public func select<R>(_ keyPath: KeyPath<D, ValueContainer<D>.Optional<R>>) -> QueryChainBuilder<D, R> {
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return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
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}
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public func select<R>(_ keyPath: KeyPath<D, TransformableContainer<D>.Required<R>>) -> QueryChainBuilder<D, R> {
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return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
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}
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public func select<R>(_ keyPath: KeyPath<D, TransformableContainer<D>.Optional<R>>) -> QueryChainBuilder<D, R> {
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return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, ValueContainer<D>.Required<T>>) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, { $0 })
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, ValueContainer<D>.Optional<T>>) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, { $0 })
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, TransformableContainer<D>.Required<T>>) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, { $0 })
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, TransformableContainer<D>.Optional<T>>) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, { $0 })
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, ValueContainer<D>.Required<T>>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, sectionIndexTransformer)
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, ValueContainer<D>.Optional<T>>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, sectionIndexTransformer)
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, TransformableContainer<D>.Required<T>>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, sectionIndexTransformer)
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}
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@available(OSX 10.12, *)
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public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, TransformableContainer<D>.Optional<T>>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
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return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, sectionIndexTransformer)
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}
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}
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public extension FetchChainBuilder {
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public func `where`(_ clause: Where<D>) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: clause)
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}
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public func `where`(format: String, _ args: Any...) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: Where<D>(format, argumentArray: args))
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}
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public func `where`(format: String, argumentArray: [Any]?) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: Where<D>(format, argumentArray: argumentArray))
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}
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public func orderBy(_ sortKey: OrderBy<D>.SortKey, _ sortKeys: OrderBy<D>.SortKey...) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: OrderBy<D>([sortKey] + sortKeys))
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}
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public func tweak(_ fetchRequest: @escaping (NSFetchRequest<NSFetchRequestResult>) -> Void) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: Tweak(fetchRequest))
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}
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public func appending(_ clause: FetchClause) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: clause)
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}
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public func appending<S: Sequence>(contentsOf clauses: S) -> FetchChainBuilder<D> where S.Element == FetchClause {
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return self.fetchChain(appending: clauses)
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}
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// MARK: Private
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private func fetchChain(appending clause: FetchClause) -> FetchChainBuilder<D> {
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return .init(
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from: self.from,
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fetchClauses: self.fetchClauses + [clause]
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)
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}
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private func fetchChain<S: Sequence>(appending clauses: S) -> FetchChainBuilder<D> where S.Element == FetchClause {
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return .init(
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from: self.from,
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fetchClauses: self.fetchClauses + Array(clauses)
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)
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}
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}
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public extension FetchChainBuilder where D: CoreStoreObject {
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public func `where`<T: AnyWhereClause>(_ clause: (D) -> T) -> FetchChainBuilder<D> {
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return self.fetchChain(appending: clause(D.meta))
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}
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}
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public extension QueryChainBuilder {
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public func groupBy(_ clause: GroupBy<D>) -> QueryChainBuilder<D, R> {
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return self.queryChain(appending: clause)
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}
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public func groupBy(_ keyPath: KeyPathString, _ keyPaths: KeyPathString...) -> QueryChainBuilder<D, R> {
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return self.groupBy(GroupBy<D>([keyPath] + keyPaths))
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}
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public func groupBy(_ keyPaths: [KeyPathString]) -> QueryChainBuilder<D, R> {
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return self.queryChain(appending: GroupBy<D>(keyPaths))
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}
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public func `where`(_ clause: Where<D>) -> QueryChainBuilder<D, R> {
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return self.queryChain(appending: clause)
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}
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public func `where`(format: String, _ args: Any...) -> QueryChainBuilder<D, R> {
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return self.queryChain(appending: Where<D>(format, argumentArray: args))
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}
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public func `where`(format: String, argumentArray: [Any]?) -> QueryChainBuilder<D, R> {
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return self.queryChain(appending: Where<D>(format, argumentArray: argumentArray))
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}
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public func orderBy(_ sortKey: OrderBy<D>.SortKey, _ sortKeys: OrderBy<D>.SortKey...) -> QueryChainBuilder<D, R> {
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return self.queryChain(appending: OrderBy<D>([sortKey] + sortKeys))
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}
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public func tweak(_ fetchRequest: @escaping (NSFetchRequest<NSFetchRequestResult>) -> Void) -> QueryChainBuilder<D, R> {
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return self.queryChain(appending: Tweak(fetchRequest))
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}
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public func appending(_ clause: QueryClause) -> QueryChainBuilder<D, R> {
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return self.queryChain(appending: clause)
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}
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public func appending<S: Sequence>(contentsOf clauses: S) -> QueryChainBuilder<D, R> where S.Element == QueryClause {
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return self.queryChain(appending: clauses)
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}
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// MARK: Private
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private func queryChain(appending clause: QueryClause) -> QueryChainBuilder<D, R> {
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return .init(
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from: self.from,
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select: self.select,
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queryClauses: self.queryClauses + [clause]
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)
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}
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private func queryChain<S: Sequence>(appending clauses: S) -> QueryChainBuilder<D, R> where S.Element == QueryClause {
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return .init(
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from: self.from,
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select: self.select,
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queryClauses: self.queryClauses + Array(clauses)
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)
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}
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}
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public extension QueryChainBuilder where D: NSManagedObject {
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public func groupBy<T>(_ keyPath: KeyPath<D, T>) -> QueryChainBuilder<D, R> {
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return self.groupBy(GroupBy<D>(keyPath))
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}
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}
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public extension QueryChainBuilder where D: CoreStoreObject {
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public func `where`<T: AnyWhereClause>(_ clause: (D) -> T) -> QueryChainBuilder<D, R> {
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return self.queryChain(appending: clause(D.meta))
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}
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public func groupBy<T>(_ keyPath: KeyPath<D, ValueContainer<D>.Required<T>>) -> QueryChainBuilder<D, R> {
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return self.groupBy(GroupBy<D>(keyPath))
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}
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public func groupBy<T>(_ keyPath: KeyPath<D, ValueContainer<D>.Optional<T>>) -> QueryChainBuilder<D, R> {
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return self.groupBy(GroupBy<D>(keyPath))
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}
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public func groupBy<T>(_ keyPath: KeyPath<D, TransformableContainer<D>.Required<T>>) -> QueryChainBuilder<D, R> {
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return self.groupBy(GroupBy<D>(keyPath))
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}
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public func groupBy<T>(_ keyPath: KeyPath<D, TransformableContainer<D>.Optional<T>>) -> QueryChainBuilder<D, R> {
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return self.groupBy(GroupBy<D>(keyPath))
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}
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}
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@available(OSX 10.12, *)
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public extension SectionMonitorChainBuilder {
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public func `where`(_ clause: Where<D>) -> SectionMonitorChainBuilder<D> {
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return self.sectionMonitorChain(appending: clause)
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}
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public func `where`(format: String, _ args: Any...) -> SectionMonitorChainBuilder<D> {
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return self.sectionMonitorChain(appending: Where<D>(format, argumentArray: args))
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}
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public func `where`(format: String, argumentArray: [Any]?) -> SectionMonitorChainBuilder<D> {
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return self.sectionMonitorChain(appending: Where<D>(format, argumentArray: argumentArray))
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}
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public func orderBy(_ sortKey: OrderBy<D>.SortKey, _ sortKeys: OrderBy<D>.SortKey...) -> SectionMonitorChainBuilder<D> {
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return self.sectionMonitorChain(appending: OrderBy<D>([sortKey] + sortKeys))
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}
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public func tweak(_ fetchRequest: @escaping (NSFetchRequest<NSFetchRequestResult>) -> Void) -> SectionMonitorChainBuilder<D> {
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return self.sectionMonitorChain(appending: Tweak(fetchRequest))
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}
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public func appending(_ clause: FetchClause) -> SectionMonitorChainBuilder<D> {
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return self.sectionMonitorChain(appending: clause)
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}
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public func appending<S: Sequence>(contentsOf clauses: S) -> SectionMonitorChainBuilder<D> where S.Element == FetchClause {
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return self.sectionMonitorChain(appending: clauses)
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}
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// MARK: Private
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|
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private func sectionMonitorChain(appending clause: FetchClause) -> SectionMonitorChainBuilder<D> {
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|
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return .init(
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from: self.from,
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sectionBy: self.sectionBy,
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fetchClauses: self.fetchClauses + [clause]
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)
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}
|
|
|
|
private func sectionMonitorChain<S: Sequence>(appending clauses: S) -> SectionMonitorChainBuilder<D> where S.Element == FetchClause {
|
|
|
|
return .init(
|
|
from: self.from,
|
|
sectionBy: self.sectionBy,
|
|
fetchClauses: self.fetchClauses + Array(clauses)
|
|
)
|
|
}
|
|
}
|
|
|
|
@available(OSX 10.12, *)
|
|
public extension SectionMonitorChainBuilder where D: CoreStoreObject {
|
|
|
|
public func `where`<T: AnyWhereClause>(_ clause: (D) -> T) -> SectionMonitorChainBuilder<D> {
|
|
|
|
return self.sectionMonitorChain(appending: clause(D.meta))
|
|
}
|
|
}
|