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/*
* Copyright 2015 The gRPC Authors
*
* 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 io.grpc.internal;
import io.grpc.Instrumented;
import io.grpc.InternalChannelz.SocketStats;
import io.grpc.Status;
import java.util.concurrent.ScheduledExecutorService;
/** An inbound connection. */
public interface ServerTransport extends Instrumented<SocketStats> {
/**
* Initiates an orderly shutdown of the transport. Existing streams continue, but new streams will
* eventually begin failing. New streams "eventually" begin failing because shutdown may need to
* be processed on a separate thread. May only be called once.
*/
void shutdown();
/**
* Initiates a forceful shutdown in which preexisting and new calls are closed. Existing calls
* should be closed with the provided {@code reason}.
*/
void shutdownNow(Status reason);
/**
* Returns an executor for scheduling provided by the transport. The service should be configured
* to allow cancelled scheduled runnables to be GCed.
*
* <p>The executor may not be used after the transport terminates. The caller should ensure any
* outstanding tasks are cancelled when the transport terminates.
*/
ScheduledExecutorService getScheduledExecutorService();
}
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