Flatten file directories (fixes #159)

2026-03-21 00:49:49 +01:00 · 2017-05-10 12:42:20 +09:00
parent 716e069984
commit fce5d2f301
116 changed files with 13 additions and 13 deletions
--- a/Sources/CSBaseDataTransaction+Querying.swift
+++ b/Sources/CSBaseDataTransaction+Querying.swift
@@ -0,0 +1,191 @@
+//
+//  CSBaseDataTransaction+Querying.swift
+//  CoreStore
+//
+//  Copyright © 2016 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import Foundation
+import CoreData
+
+
+// MARK: - CSBaseDataTransaction
+
+public extension CSBaseDataTransaction {
+    
+    /**
+     Fetches the `NSManagedObject` instance in the transaction's context from a reference created from a transaction or from a different managed object context.
+     
+     - parameter object: a reference to the object created/fetched outside the transaction
+     - returns: the `NSManagedObject` instance if the object exists in the transaction, or `nil` if not found.
+     */
+    @objc
+    public func fetchExistingObject(_ object: NSManagedObject) -> Any? {
+        
+        return self.bridgeToSwift.context.fetchExisting(object)
+    }
+    
+    /**
+     Fetches the `NSManagedObject` instance in the transaction's context from an `NSManagedObjectID`.
+     
+     - parameter objectID: the `NSManagedObjectID` for the object
+     - returns: the `NSManagedObject` instance if the object exists in the transaction, or `nil` if not found.
+     */
+    @objc
+    public func fetchExistingObjectWithID(_ objectID: NSManagedObjectID) -> Any? {
+        
+        return self.bridgeToSwift.context.fetchExisting(objectID)
+    }
+    
+    /**
+     Fetches the `NSManagedObject` instances in the transaction's context from references created from a transaction or from a different managed object context.
+     
+     - parameter objects: an array of `NSManagedObject`s created/fetched outside the transaction
+     - returns: the `NSManagedObject` array for objects that exists in the transaction
+     */
+    @objc
+    public func fetchExistingObjects(_ objects: [NSManagedObject]) -> [Any] {
+        
+        return self.bridgeToSwift.context.fetchExisting(objects)
+    }
+    
+    /**
+     Fetches the `NSManagedObject` instances in the transaction's context from a list of `NSManagedObjectID`.
+     
+     - parameter objectIDs: the `NSManagedObjectID` array for the objects
+     - returns: the `NSManagedObject` array for objects that exists in the transaction
+     */
+    @objc
+    public func fetchExistingObjectsWithIDs(_ objectIDs: [NSManagedObjectID]) -> [Any] {
+        
+        return self.bridgeToSwift.context.fetchExisting(objectIDs)
+    }
+    
+    /**
+     Fetches the first `NSManagedObject` instance that satisfies the specified `CSFetchClause`s. Accepts `CSWhere`, `CSOrderBy`, and `CSTweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `CSFetchClause` instances for the fetch request. Accepts `CSWhere`, `CSOrderBy`, and `CSTweak` clauses.
+     - returns: the first `NSManagedObject` instance that satisfies the specified `CSFetchClause`s
+     */
+    @objc
+    public func fetchOneFrom(_ from: CSFrom, fetchClauses: [CSFetchClause]) -> Any? {
+        
+        CoreStore.assert(
+            self.bridgeToSwift.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return self.bridgeToSwift.context.fetchOne(from, fetchClauses)
+    }
+    
+    /**
+     Fetches all `NSManagedObject` instances that satisfy the specified `CSFetchClause`s. Accepts `CSWhere`, `CSOrderBy`, and `CSTweak` clauses.
+     
+     - parameter from: a `CSFrom` clause indicating the entity type
+     - parameter fetchClauses: a series of `CSFetchClause` instances for the fetch request. Accepts `CSWhere`, `CSOrderBy`, and `CSTweak` clauses.
+     - returns: all `NSManagedObject` instances that satisfy the specified `CSFetchClause`s
+     */
+    @objc
+    public func fetchAllFrom(_ from: CSFrom, fetchClauses: [CSFetchClause]) -> [Any]? {
+        
+        CoreStore.assert(
+            self.bridgeToSwift.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return self.bridgeToSwift.context.fetchAll(from, fetchClauses)
+    }
+    
+    /**
+     Fetches the number of `NSManagedObject`s that satisfy the specified `CSFetchClause`s. Accepts `CSWhere`, `CSOrderBy`, and `CSTweak` clauses.
+     
+     - parameter from: a `CSFrom` clause indicating the entity type
+     - parameter fetchClauses: a series of `CSFetchClause` instances for the fetch request. Accepts `CSWhere`, `CSOrderBy`, and `CSTweak` clauses.
+     - returns: the number `NSManagedObject`s that satisfy the specified `CSFetchClause`s
+     */
+    @objc
+    public func fetchCountFrom(_ from: CSFrom, fetchClauses: [CSFetchClause]) -> NSNumber? {
+        
+        CoreStore.assert(
+            self.bridgeToSwift.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return self.bridgeToSwift.context
+            .fetchCount(from, fetchClauses)
+            .flatMap { NSNumber(value: $0) }
+    }
+    
+    /**
+     Fetches the `NSManagedObjectID` for the first `NSManagedObject` that satisfies the specified `CSFetchClause`s. Accepts `CSWhere`, `CSOrderBy`, and `CSTweak` clauses.
+     
+     - parameter from: a `CSFrom` clause indicating the entity type
+     - parameter fetchClauses: a series of `CSFetchClause` instances for the fetch request. Accepts `CSWhere`, `CSOrderBy`, and `CSTweak` clauses.
+     - returns: the `NSManagedObjectID` for the first `NSManagedObject` that satisfies the specified `CSFetchClause`s
+     */
+    @objc
+    public func fetchObjectIDFrom(_ from: CSFrom, fetchClauses: [CSFetchClause]) -> NSManagedObjectID? {
+        
+        CoreStore.assert(
+            self.bridgeToSwift.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return self.bridgeToSwift.context.fetchObjectID(from, fetchClauses)
+    }
+    
+    /**
+     Queries aggregate values as specified by the `CSQueryClause`s. Requires at least a `CSSelect` clause, and optional `CSWhere`, `CSOrderBy`, `CSGroupBy`, and `CSTweak` clauses.
+     
+     A "query" differs from a "fetch" in that it only retrieves values already stored in the persistent store. As such, values from unsaved transactions or contexts will not be incorporated in the query result.
+     
+     - parameter from: a `CSFrom` clause indicating the entity type
+     - parameter selectClause: a `CSSelect` clause indicating the properties to fetch, and with the generic type indicating the return type.
+     - parameter queryClauses: a series of `CSQueryClause` instances for the query request. Accepts `CSWhere`, `CSOrderBy`, `CSGroupBy`, and `CSTweak` clauses.
+     - returns: the result of the the query. The type of the return value is specified by the generic type of the `CSSelect` parameter.
+     */
+    @objc
+    public func queryValueFrom(_ from: CSFrom, selectClause: CSSelect, queryClauses: [CSQueryClause]) -> Any? {
+        
+        CoreStore.assert(
+            self.bridgeToSwift.isRunningInAllowedQueue(),
+            "Attempted to query from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return self.bridgeToSwift.context.queryValue(from, selectClause, queryClauses)
+    }
+    
+    /**
+     Queries a dictionary of attribute values as specified by the `CSQueryClause`s. Requires at least a `CSSelect` clause, and optional `CSWhere`, `CSOrderBy`, `CSGroupBy`, and `CSTweak` clauses.
+     
+     A "query" differs from a "fetch" in that it only retrieves values already stored in the persistent store. As such, values from unsaved transactions or contexts will not be incorporated in the query result.
+     
+     - parameter from: a `CSFrom` clause indicating the entity type
+     - parameter selectClause: a `CSSelect` clause indicating the properties to fetch, and with the generic type indicating the return type.
+     - parameter queryClauses: a series of `CSQueryClause` instances for the query request. Accepts `CSWhere`, `CSOrderBy`, `CSGroupBy`, and `CSTweak` clauses.
+     - returns: the result of the the query. The type of the return value is specified by the generic type of the `CSSelect` parameter.
+     */
+    @objc
+    public func queryAttributesFrom(_ from: CSFrom, selectClause: CSSelect, queryClauses: [CSQueryClause]) -> [[String: Any]]? {
+        
+        CoreStore.assert(
+            self.bridgeToSwift.isRunningInAllowedQueue(),
+            "Attempted to query from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return self.bridgeToSwift.context.queryAttributes(from, selectClause, queryClauses)
+    }
+}