build.buf.connect.ClientOnlyStreamInterface.kt Maven / Gradle / Ivy

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Simple, reliable, interoperable. A better RPC.

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// Copyright 2022-2023 Buf Technologies, Inc.
//
// 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 build.buf.connect

/**
 * Represents a client-only stream (a stream where the client streams data to the server and
 * eventually receives a response) that can send request messages and initiate closes.
 */
interface ClientOnlyStreamInterface {
    /**
     * Send a request to the server over the stream.
     *
     * @param input The request message to send.
     */
    suspend fun send(input: Input)

    /**
     * Close the stream. No calls to `send()` are valid after calling `close()`.
     */
    fun close()
}