Files
CoreStore/Sources/Fetching and Querying/Attribute+Querying.swift

75 lines
2.7 KiB
Swift

//
// Attribute+Querying.swift
// CoreStore
//
// Copyright © 2017 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 CoreData
import Foundation
// MARK: - ValueContainer.Required
public extension ValueContainer.Required {
public static func == (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where {
return Where(attribute.keyPath, isEqualTo: value)
}
public static func < (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where {
return Where("%K < %@", attribute.keyPath, value)
}
public static func > (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where {
return Where("%K > %@", attribute.keyPath, value)
}
public static func <= (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where {
return Where("%K <= %@", attribute.keyPath, value)
}
public static func >= (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where {
return Where("%K >= %@", attribute.keyPath, value)
}
public static func != (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where {
return !Where(attribute.keyPath, isEqualTo: value)
}
}
// MARK: - ValueContainer.Optional
public extension ValueContainer.Optional {
public static func == (_ attribute: ValueContainer<O>.Optional<V>, _ value: V?) -> Where {
return Where(attribute.keyPath, isEqualTo: value)
}
public static func != (_ attribute: ValueContainer<O>.Optional<V>, _ value: V?) -> Where {
return !Where(attribute.keyPath, isEqualTo: value)
}
}