/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.dubbo.tracing;

import org.apache.dubbo.tracing.context.DubboServerContext;

import io.micrometer.common.KeyValues;

/**
 * Default implementation of the {@link DubboServerObservationConvention}.
 */
public class DefaultDubboServerObservationConvention extends AbstractDefaultDubboObservationConvention
        implements DubboServerObservationConvention {

    /**
     * Singleton instance of {@link DefaultDubboServerObservationConvention}.
     */
    private static final DubboServerObservationConvention INSTANCE = new DefaultDubboServerObservationConvention();

    public static DubboServerObservationConvention getInstance() {
        return INSTANCE;
    }

    @Override
    public String getName() {
        return "rpc.server.duration";
    }

    @Override
    public KeyValues getLowCardinalityKeyValues(DubboServerContext context) {
        return super.getLowCardinalityKeyValues(context.getInvocation());
    }

    @Override
    public String getContextualName(DubboServerContext context) {
        return super.getContextualName(context.getInvocation());
    }
}
