common/kotlinx-coroutines-core-common/src/channels/ChannelCoroutine.kt

/*
 * Copyright 2016-2017 JetBrains s.r.o.
 *
 * 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.
 */

package kotlinx.coroutines.experimental.channels

import kotlinx.coroutines.experimental.*
import kotlin.coroutines.experimental.*

internal open class ChannelCoroutine<E>(
    parentContext: CoroutineContext,
    protected val _channel: Channel<E>,
    active: Boolean
) : AbstractCoroutine<Unit>(parentContext, active), Channel<E> by _channel {
    val channel: Channel<E>
        get() = this

    // Workaround for KT-23094
    override suspend fun receive(): E = _channel.receive()

    override suspend fun send(element: E) = _channel.send(element)

    override suspend fun receiveOrNull(): E? = _channel.receiveOrNull()

    override fun cancel(cause: Throwable?): Boolean = super.cancel(cause)
}