/*

 * Copyright 2022, gRPC Authors All rights reserved.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

import DequeModule

import NIOCore

@usableFromInline

internal struct GRPCAsyncWriterSinkDelegate<Element: Sendable>: NIOAsyncWriterSinkDelegate {

  @usableFromInline

  let _didYield: (@Sendable (Deque<Element>) -> Void)?

  @usableFromInline

  let _didTerminate: (@Sendable (Error?) -> Void)?

  @inlinable

  init(

    didYield: (@Sendable (Deque<Element>) -> Void)? = nil,

    didTerminate: (@Sendable (Error?) -> Void)? = nil

  ) {

    self._didYield = didYield

    self._didTerminate = didTerminate

  }

  @inlinable

  func didYield(contentsOf sequence: Deque<Element>) {

    self._didYield?(sequence)

  }

  @inlinable

  func didTerminate(error: Error?) {

    self._didTerminate?(error)

  }

}