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full inline sourcecode documentation

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John Rommel Estropia
2015-05-22 02:26:28 +09:00
parent 637829ec32
commit 8374c552f0
37 changed files with 1514 additions and 287 deletions
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HardcoreData/Fetching and Querying/BaseDataTransaction+Querying.swift
+124
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@@ -33,6 +33,13 @@ public extension BaseDataTransaction {
// 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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -40,6 +47,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -47,6 +61,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -54,6 +75,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -61,6 +89,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -68,6 +103,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -75,6 +117,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -82,6 +131,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -89,6 +145,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -96,6 +159,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to fetch from a \(typeName(self)) outside its designated queue.")
@@ -103,6 +173,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to delete from a \(typeName(self)) outside its designated queue.")
@@ -110,6 +187,13 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to delete from a \(typeName(self)) outside its designated queue.")
@@ -117,6 +201,16 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to query from a \(typeName(self)) outside its designated queue.")
@@ -124,6 +218,16 @@ public extension BaseDataTransaction {
return self.context.queryValue(from, selectClause, queryClauses)
}
/**
Queries aggregate values or aggregates 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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to query from a \(typeName(self)) outside its designated queue.")
@@ -131,6 +235,16 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to query from a \(typeName(self)) outside its designated queue.")
@@ -138,6 +252,16 @@ public extension BaseDataTransaction {
return self.context.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(self.transactionQueue.isCurrentExecutionContext(), "Attempted to query from a \(typeName(self)) outside its designated queue.")