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Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP: query chains!

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This commit is contained in:
John Rommel Estropia
2017-07-09 10:44:53 +09:00
parent aff966aac9
commit 535eb76adc
40 changed files with 1783 additions and 1004 deletions
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111
Sources/BaseDataTransaction+Querying.swift
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@@ -39,13 +39,12 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- returns: the number of `DynamicObject`s deleted
*/
@discardableResult
public func deleteAll<T>(_ from: From<T>, _ deleteClauses: DeleteClause...) -> Int? {
public func deleteAll<D>(_ from: From<D>, _ deleteClauses: DeleteClause...) -> Int? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
"Attempted to delete from a \(cs_typeName(self)) outside its designated queue."
)
return self.context.deleteAll(from, deleteClauses)
}
@@ -57,14 +56,32 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- returns: the number of `DynamicObject`s deleted
*/
@discardableResult
public func deleteAll<T>(_ from: From<T>, _ deleteClauses: [DeleteClause]) -> Int? {
public func deleteAll<D>(_ from: From<D>, _ deleteClauses: [DeleteClause]) -> Int? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
"Attempted to delete from a \(cs_typeName(self)) outside its designated queue."
)
return self.context.deleteAll(from, deleteClauses)
}
/**
Deletes all `DynamicObject`s that satisfy the specified conditions.
```
transaction.deleteAll(From<Person>().where(\.age > 50)
```
- parameter clauseChain: a `FetchChainableBuilderType` clause chain created from a `From` clause
- returns: the number of `DynamicObject`s deleted
*/
@discardableResult
public func deleteAll<B: FetchChainableBuilderType>(_ clauseChain: B) -> Int? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
"Attempted to delete from a \(cs_typeName(self)) outside its designated queue."
)
return self.context.deleteAll(from, deleteClauses)
return self.context.deleteAll(clauseChain.from, clauseChain.fetchClauses)
}
@@ -76,7 +93,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter object: a reference to the object created/fetched outside the transaction
- returns: the `DynamicObject` instance if the object exists in the transaction, or `nil` if not found.
*/
public func fetchExisting<T: DynamicObject>(_ object: T) -> T? {
public func fetchExisting<D: DynamicObject>(_ object: D) -> D? {
return self.context.fetchExisting(object)
}
@@ -87,7 +104,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter objectID: the `NSManagedObjectID` for the object
- returns: the `DynamicObject` instance if the object exists in the transaction, or `nil` if not found.
*/
public func fetchExisting<T: DynamicObject>(_ objectID: NSManagedObjectID) -> T? {
public func fetchExisting<D: DynamicObject>(_ objectID: NSManagedObjectID) -> D? {
return self.context.fetchExisting(objectID)
}
@@ -98,7 +115,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter objects: an array of `DynamicObject`s created/fetched outside the transaction
- returns: the `DynamicObject` array for objects that exists in the transaction
*/
public func fetchExisting<T: DynamicObject, S: Sequence>(_ objects: S) -> [T] where S.Iterator.Element == T {
public func fetchExisting<D: DynamicObject, S: Sequence>(_ objects: S) -> [D] where S.Iterator.Element == D {
return self.context.fetchExisting(objects)
}
@@ -109,7 +126,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter objectIDs: the `NSManagedObjectID` array for the objects
- returns: the `DynamicObject` array for objects that exists in the transaction
*/
public func fetchExisting<T: DynamicObject, S: Sequence>(_ objectIDs: S) -> [T] where S.Iterator.Element == NSManagedObjectID {
public func fetchExisting<D: DynamicObject, S: Sequence>(_ objectIDs: S) -> [D] where S.Iterator.Element == NSManagedObjectID {
return self.context.fetchExisting(objectIDs)
}
@@ -121,7 +138,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: the first `DynamicObject` instance that satisfies the specified `FetchClause`s
*/
public func fetchOne<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> T? {
public func fetchOne<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> D? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -137,7 +154,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: the first `DynamicObject` instance that satisfies the specified `FetchClause`s
*/
public func fetchOne<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> T? {
public func fetchOne<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> D? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -146,6 +163,16 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
return self.context.fetchOne(from, fetchClauses)
}
// TODO: docs
public func fetchOne<B: FetchChainableBuilderType>(_ clauseChain: B) -> B.ObjectType? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
"Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
)
return self.context.fetchOne(clauseChain)
}
/**
Fetches all `DynamicObject` instances that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
@@ -153,7 +180,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: all `DynamicObject` instances that satisfy the specified `FetchClause`s
*/
public func fetchAll<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> [T]? {
public func fetchAll<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> [D]? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -169,7 +196,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: all `DynamicObject` instances that satisfy the specified `FetchClause`s
*/
public func fetchAll<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> [T]? {
public func fetchAll<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> [D]? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -178,6 +205,16 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
return self.context.fetchAll(from, fetchClauses)
}
// TODO: docs
public func fetchAll<B: FetchChainableBuilderType>(_ clauseChain: B) -> [B.ObjectType]? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
"Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
)
return self.context.fetchAll(clauseChain)
}
/**
Fetches the number of `DynamicObject`s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
@@ -185,7 +222,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: the number `DynamicObject`s that satisfy the specified `FetchClause`s
*/
public func fetchCount<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> Int? {
public func fetchCount<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> Int? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -201,7 +238,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: the number `DynamicObject`s that satisfy the specified `FetchClause`s
*/
public func fetchCount<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> Int? {
public func fetchCount<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> Int? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -210,6 +247,16 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
return self.context.fetchCount(from, fetchClauses)
}
// TODO: docs
public func fetchCount<B: FetchChainableBuilderType>(_ clauseChain: B) -> Int? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
"Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
)
return self.context.fetchCount(clauseChain)
}
/**
Fetches the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
@@ -217,7 +264,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchClause`s
*/
public func fetchObjectID<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> NSManagedObjectID? {
public func fetchObjectID<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> NSManagedObjectID? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -233,7 +280,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchClause`s
*/
public func fetchObjectID<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> NSManagedObjectID? {
public func fetchObjectID<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> NSManagedObjectID? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -242,6 +289,16 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
return self.context.fetchObjectID(from, fetchClauses)
}
// TODO: docs
public func fetchObjectID<B: FetchChainableBuilderType>(_ clauseChain: B) -> NSManagedObjectID? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
"Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
)
return self.context.fetchObjectID(clauseChain)
}
/**
Fetches the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
@@ -249,7 +306,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchClause`s
*/
public func fetchObjectIDs<T>(_ from: From<T>, _ fetchClauses: FetchClause...) -> [NSManagedObjectID]? {
public func fetchObjectIDs<D>(_ from: From<D>, _ fetchClauses: FetchClause...) -> [NSManagedObjectID]? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -265,7 +322,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
- returns: the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchClause`s
*/
public func fetchObjectIDs<T>(_ from: From<T>, _ fetchClauses: [FetchClause]) -> [NSManagedObjectID]? {
public func fetchObjectIDs<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) -> [NSManagedObjectID]? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -274,6 +331,16 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
return self.context.fetchObjectIDs(from, fetchClauses)
}
// TODO: docs
public func fetchObjectIDs<B: FetchChainableBuilderType>(_ clauseChain: B) -> [NSManagedObjectID]? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
"Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
)
return self.context.fetchObjectIDs(clauseChain)
}
// MARK: QueryableSource
@@ -287,7 +354,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter 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, U: QueryableAttributeType>(_ from: From<T>, _ selectClause: Select<U>, _ queryClauses: QueryClause...) -> U? {
public func queryValue<D, U: QueryableAttributeType>(_ from: From<D>, _ selectClause: Select<U>, _ queryClauses: QueryClause...) -> U? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -306,7 +373,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter 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, U: QueryableAttributeType>(_ from: From<T>, _ selectClause: Select<U>, _ queryClauses: [QueryClause]) -> U? {
public func queryValue<D, U: QueryableAttributeType>(_ from: From<D>, _ selectClause: Select<U>, _ queryClauses: [QueryClause]) -> U? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -325,7 +392,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter 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>(_ from: From<T>, _ selectClause: Select<NSDictionary>, _ queryClauses: QueryClause...) -> [[String: Any]]? {
public func queryAttributes<D>(_ from: From<D>, _ selectClause: Select<NSDictionary>, _ queryClauses: QueryClause...) -> [[String: Any]]? {
CoreStore.assert(
self.isRunningInAllowedQueue(),
@@ -344,7 +411,7 @@ extension BaseDataTransaction: FetchableSource, QueryableSource {
- parameter 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>(_ from: From<T>, _ selectClause: Select<NSDictionary>, _ queryClauses: [QueryClause]) -> [[String: Any]]? {
public func queryAttributes<D>(_ from: From<D>, _ selectClause: Select<NSDictionary>, _ queryClauses: [QueryClause]) -> [[String: Any]]? {
CoreStore.assert(
self.isRunningInAllowedQueue(),