content: /*
   * 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.bookkeeper.stats.otel;
  
  import io.opentelemetry.api.common.Attributes;
  import io.opentelemetry.api.metrics.LongUpDownCounter;
  import io.opentelemetry.api.metrics.Meter;
  import java.util.concurrent.TimeUnit;
  import org.apache.bookkeeper.stats.Counter;
  
   class OtelCounter implements Counter {
      private final LongUpDownCounter counter;
      private final Attributes attributes;
  
      OtelCounter(Meter meter, ScopeContext sc) {
          this.counter = meter.upDownCounterBuilder(sc.getName()).build();
          this.attributes = sc.getAttributes();
      }
  
      @Override
      public void clear() {
          // no-op
      }
  
      @Override
      public void inc() {
          counter.add(1, attributes);
      }
  
      @Override
      public void dec() {
          counter.add(-1, attributes);
      }
  
      @Override
      public void addCount(long delta) {
          counter.add(delta, attributes);
      }
  
      @Override
      public void addLatency(long eventLatency, TimeUnit unit) {
          long valueMillis = unit.toMillis(eventLatency);
          counter.add(valueMillis);
      }
  
      @Override
      public Long get() {
          return -1L;
      }
  }
  