65 lines
2.1 KiB
Swift
65 lines
2.1 KiB
Swift
//
|
|
// Copyright (c) 2017 Touch Instinct
|
|
//
|
|
// 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 RxSwift
|
|
|
|
/// Stub cursor implementation for array content type
|
|
public class StaticCursor<Element>: ResettableRxDataSourceCursor {
|
|
|
|
public typealias ResultType = [Element]
|
|
|
|
private let content: [Element]
|
|
|
|
/// Initializer for array content type
|
|
///
|
|
/// - Parameter content: array with elements of Element type
|
|
public init(content: [Element]) {
|
|
self.content = content
|
|
}
|
|
|
|
public required init(resetFrom other: StaticCursor) {
|
|
self.content = other.content
|
|
}
|
|
|
|
public private(set) var exhausted = false
|
|
|
|
public private(set) var count = 0
|
|
|
|
public subscript(index: Int) -> Element {
|
|
return content[index]
|
|
}
|
|
|
|
public func loadNextBatch() -> Single<[Element]> {
|
|
return Single.deferred {
|
|
if self.exhausted {
|
|
return .error(CursorError.exhausted)
|
|
}
|
|
|
|
self.count = self.content.count
|
|
|
|
self.exhausted = true
|
|
|
|
return .just(self.content)
|
|
}
|
|
}
|
|
}
|