starred/CoreStore-JohnEstropia
1
0
Fork 0
mirror of https://github.com/JohnEstropia/CoreStore.git synced 2026-05-27 01:49:21 +02:00
Code Issues 95 Packages Projects Releases 10 Wiki Activity

full inline sourcecode documentation

Browse Source
This commit is contained in:
John Rommel Estropia
2015-05-22 02:26:28 +09:00
parent 637829ec32
commit 8374c552f0
37 changed files with 1514 additions and 287 deletions
Download Patch File Download Diff File Expand all files Collapse all files
HardcoreData/Fetching and Querying/DataStack+Querying.swift
+124
View File
@@ -34,6 +34,13 @@ public extension DataStack {
// MARK: Public
/**
Fetches the first `NSManagedObject` instance that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the first `NSManagedObject` instance that satisfies the specified `FetchClause`s
*/
public func fetchOne<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> T? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -41,6 +48,13 @@ public extension DataStack {
return self.mainContext.fetchOne(from, fetchClauses)
}
/**
Fetches the first `NSManagedObject` instance that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the first `NSManagedObject` instance that satisfies the specified `FetchClause`s
*/
public func fetchOne<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> T? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -48,6 +62,13 @@ public extension DataStack {
return self.mainContext.fetchOne(from, fetchClauses)
}
/**
Fetches all `NSManagedObject` instances that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: all `NSManagedObject` instances that satisfy the specified `FetchClause`s
*/
public func fetchAll<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> [T]? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -55,6 +76,13 @@ public extension DataStack {
return self.mainContext.fetchAll(from, fetchClauses)
}
/**
Fetches all `NSManagedObject` instances that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: all `NSManagedObject` instances that satisfy the specified `FetchClause`s
*/
public func fetchAll<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> [T]? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -62,6 +90,13 @@ public extension DataStack {
return self.mainContext.fetchAll(from, fetchClauses)
}
/**
Fetches the number of `NSManagedObject`'s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the number `NSManagedObject`'s that satisfy the specified `FetchClause`s
*/
public func fetchCount<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> Int? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -69,6 +104,13 @@ public extension DataStack {
return self.mainContext.fetchCount(from, fetchClauses)
}
/**
Fetches the number of `NSManagedObject`'s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the number `NSManagedObject`'s that satisfy the specified `FetchClause`s
*/
public func fetchCount<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> Int? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -76,6 +118,13 @@ public extension DataStack {
return self.mainContext.fetchCount(from, fetchClauses)
}
/**
Fetches the `NSManagedObjectID` for the first `NSManagedObject` that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the `NSManagedObjectID` for the first `NSManagedObject` that satisfies the specified `FetchClause`s
*/
public func fetchObjectID<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> NSManagedObjectID? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -83,6 +132,13 @@ public extension DataStack {
return self.mainContext.fetchObjectID(from, fetchClauses)
}
/**
Fetches the `NSManagedObjectID` for the first `NSManagedObject` that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the `NSManagedObjectID` for the first `NSManagedObject` that satisfies the specified `FetchClause`s
*/
public func fetchObjectID<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> NSManagedObjectID? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -90,6 +146,13 @@ public extension DataStack {
return self.mainContext.fetchObjectID(from, fetchClauses)
}
/**
Fetches the `NSManagedObjectID` for all `NSManagedObject`'s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the `NSManagedObjectID` for all `NSManagedObject`'s that satisfy the specified `FetchClause`s
*/
public func fetchObjectIDs<T: NSManagedObject>(from: From<T>, _ fetchClauses: FetchClause...) -> [NSManagedObjectID]? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -97,6 +160,13 @@ public extension DataStack {
return self.mainContext.fetchObjectIDs(from, fetchClauses)
}
/**
Fetches the `NSManagedObjectID` for all `NSManagedObject`'s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: fetchClauses a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the `NSManagedObjectID` for all `NSManagedObject`'s that satisfy the specified `FetchClause`s
*/
public func fetchObjectIDs<T: NSManagedObject>(from: From<T>, _ fetchClauses: [FetchClause]) -> [NSManagedObjectID]? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside the main queue.")
@@ -104,6 +174,13 @@ public extension DataStack {
return self.mainContext.fetchObjectIDs(from, fetchClauses)
}
/**
Deletes all `NSManagedObject`'s that satisfy the specified `DeleteClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: deleteClauses a series of `DeleteClause` instances for the delete request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the number of `NSManagedObject`'s deleted
*/
public func deleteAll<T: NSManagedObject>(from: From<T>, _ deleteClauses: DeleteClause...) -> Int? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to delete from a \(typeName(self)) outside the main queue.")
@@ -111,6 +188,13 @@ public extension DataStack {
return self.mainContext.deleteAll(from, deleteClauses)
}
/**
Deletes all `NSManagedObject`'s that satisfy the specified `DeleteClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:param: from a `From` clause indicating the entity type
:param: deleteClauses a series of `DeleteClause` instances for the delete request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
:returns: the number of `NSManagedObject`'s deleted
*/
public func deleteAll<T: NSManagedObject>(from: From<T>, _ deleteClauses: [DeleteClause]) -> Int? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to delete from a \(typeName(self)) outside the main queue.")
@@ -118,6 +202,16 @@ public extension DataStack {
return self.mainContext.deleteAll(from, deleteClauses)
}
/**
Queries aggregate values as specified by the `QueryClause`'s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` 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.
:param: from a `From` clause indicating the entity type
:param: selectClause a `Select<U>` clause indicating the properties to fetch, and with the generic type indicating the return type.
:param: queryClauses a series of `QueryClause` instances for the query request. Accepts `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
:returns: the result of the the query. The type of the return value is specified by the generic type of the `Select<U>` parameter.
*/
public func queryValue<T: NSManagedObject, U: SelectValueResultType>(from: From<T>, _ selectClause: Select<U>, _ queryClauses: QueryClause...) -> U? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to query from a \(typeName(self)) outside the main queue.")
@@ -125,6 +219,16 @@ public extension DataStack {
return self.mainContext.queryValue(from, selectClause, queryClauses)
}
/**
Queries aggregate values as specified by the `QueryClause`'s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` 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.
:param: from a `From` clause indicating the entity type
:param: selectClause a `Select<U>` clause indicating the properties to fetch, and with the generic type indicating the return type.
:param: queryClauses a series of `QueryClause` instances for the query request. Accepts `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
:returns: the result of the the query. The type of the return value is specified by the generic type of the `Select<U>` parameter.
*/
public func queryValue<T: NSManagedObject, U: SelectValueResultType>(from: From<T>, _ selectClause: Select<U>, _ queryClauses: [QueryClause]) -> U? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to query from a \(typeName(self)) outside the main queue.")
@@ -132,6 +236,16 @@ public extension DataStack {
return self.mainContext.queryValue(from, selectClause, queryClauses)
}
/**
Queries a dictionary of attribute values as specified by the `QueryClause`'s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` 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.
:param: from a `From` clause indicating the entity type
:param: selectClause a `Select<U>` clause indicating the properties to fetch, and with the generic type indicating the return type.
:param: queryClauses a series of `QueryClause` instances for the query request. Accepts `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
:returns: the result of the the query. The type of the return value is specified by the generic type of the `Select<U>` parameter.
*/
public func queryAttributes<T: NSManagedObject>(from: From<T>, _ selectClause: Select<NSDictionary>, _ queryClauses: QueryClause...) -> [[NSString: AnyObject]]? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to query from a \(typeName(self)) outside the main queue.")
@@ -139,6 +253,16 @@ public extension DataStack {
return self.mainContext.queryAttributes(from, selectClause, queryClauses)
}
/**
Queries a dictionary of attribute values as specified by the `QueryClause`'s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` 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.
:param: from a `From` clause indicating the entity type
:param: selectClause a `Select<U>` clause indicating the properties to fetch, and with the generic type indicating the return type.
:param: queryClauses a series of `QueryClause` instances for the query request. Accepts `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
:returns: the result of the the query. The type of the return value is specified by the generic type of the `Select<U>` parameter.
*/
public func queryAttributes<T: NSManagedObject>(from: From<T>, _ selectClause: Select<NSDictionary>, _ queryClauses: [QueryClause]) -> [[NSString: AnyObject]]? {
HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to query from a \(typeName(self)) outside the main queue.")