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/*
* Copyright 2024 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.base.Preconditions;
import io.grpc.ClientStreamTracer;
import io.grpc.LoadBalancer.PickDetailsConsumer;
/**
* Adapter for tracers into details consumers.
*/
final class PickDetailsConsumerImpl implements PickDetailsConsumer {
private final ClientStreamTracer[] tracers;
/** Construct a consumer with unchanging tracers array. */
public PickDetailsConsumerImpl(ClientStreamTracer[] tracers) {
this.tracers = Preconditions.checkNotNull(tracers, "tracers");
}
@Override
public void addOptionalLabel(String key, String value) {
Preconditions.checkNotNull(key, "key");
Preconditions.checkNotNull(value, "value");
for (ClientStreamTracer tracer : tracers) {
tracer.addOptionalLabel(key, value);
}
}
}
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