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/*
 * Copyright 2016, 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.
 */

package nl.topicus.jdbc.shaded.io.grpc.stub;

import nl.topicus.jdbc.shaded.com.google.errorprone.annotations.DoNotMock;
import nl.topicus.jdbc.shaded.io.grpc.ExperimentalApi;

/**
 * A refinement of {@link CallStreamObserver} to allows for interaction with call
 * cancellation events on the server side.
 *
 * 

Like {@code StreamObserver}, implementations are not required to be thread-safe; if multiple * threads will be writing to an instance concurrently, the application must synchronize its calls. */ @ExperimentalApi("https://github.com/grpc/grpc-java/issues/1788") @DoNotMock public abstract class ServerCallStreamObserver extends CallStreamObserver { /** * If {@code true} indicates that the call has been cancelled by the remote peer. * *

This method may safely be called concurrently from multiple threads. */ public abstract boolean isCancelled(); /** * Set a {@link Runnable} that will be called if the calls {@link #isCancelled()} state * changes from {@code false} to {@code true}. It is guaranteed that execution of the * {@link Runnable} are serialized with calls to the 'inbound' {@link StreamObserver}. * *

Note that the handler may be called some time after {@link #isCancelled} has transitioned to * {@code true} as other callbacks may still be executing in the 'inbound' observer. * * @param onCancelHandler to call when client has cancelled the call. */ public abstract void setOnCancelHandler(Runnable onCancelHandler); /** * Sets the compression algorithm to use for the call. May only be called before sending any * messages. * * @param compression the compression algorithm to use. */ public abstract void setCompression(String compression); }





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