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/*
* Copyright 2016 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 com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
import io.grpc.CallOptions;
import io.grpc.InternalChannelz.SocketStats;
import io.grpc.LogId;
import io.grpc.Metadata;
import io.grpc.MethodDescriptor;
import io.grpc.Status;
import io.grpc.internal.ClientStreamListener.RpcProgress;
import java.util.concurrent.Executor;
/**
* A client transport that creates streams that will immediately fail when started.
*/
class FailingClientTransport implements ClientTransport {
@VisibleForTesting
final Status error;
private final RpcProgress rpcProgress;
FailingClientTransport(Status error, RpcProgress rpcProgress) {
Preconditions.checkArgument(!error.isOk(), "error must not be OK");
this.error = error;
this.rpcProgress = rpcProgress;
}
@Override
public ClientStream newStream(
MethodDescriptor<?, ?> method, Metadata headers, CallOptions callOptions) {
return new FailingClientStream(error, rpcProgress);
}
@Override
public void ping(final PingCallback callback, Executor executor) {
executor.execute(new Runnable() {
@Override public void run() {
callback.onFailure(error.asException());
}
});
}
@Override
public ListenableFuture<SocketStats> getStats() {
SettableFuture<SocketStats> ret = SettableFuture.create();
ret.set(null);
return ret;
}
@Override
public LogId getLogId() {
throw new UnsupportedOperationException("Not a real transport");
}
}
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