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DefaultGrpcServerObservationConvention.java
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DefaultGrpcServerObservationConvention.java
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/*
* Copyright 2022 the original author or 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
*
* https://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.micrometer.core.instrument.binder.grpc;
import io.micrometer.common.KeyValue;
import io.micrometer.common.KeyValues;
import io.micrometer.core.instrument.binder.grpc.GrpcObservationDocumentation.LowCardinalityKeyNames;
import java.util.ArrayList;
import java.util.List;
/**
* Default convention for gRPC server. This class defines how to extract values from
* {@link GrpcServerObservationContext}.
*
* @author Tadaya Tsuyukubo
* @since 1.10.0
*/
public class DefaultGrpcServerObservationConvention implements GrpcServerObservationConvention {
@Override
public String getName() {
return "grpc.server";
}
@Override
public String getContextualName(GrpcServerObservationContext context) {
return context.getFullMethodName();
}
@Override
public KeyValues getLowCardinalityKeyValues(GrpcServerObservationContext context) {
List<KeyValue> keyValues = new ArrayList<>();
keyValues.add(LowCardinalityKeyNames.METHOD.withValue(context.getMethodName()));
keyValues.add(LowCardinalityKeyNames.SERVICE.withValue(context.getServiceName()));
keyValues.add(LowCardinalityKeyNames.METHOD_TYPE.withValue(context.getMethodType().name()));
if (context.getStatusCode() != null) {
keyValues.add(LowCardinalityKeyNames.STATUS_CODE.withValue(context.getStatusCode().name()));
}
return KeyValues.of(keyValues);
}
}