content: /*
   * Copyright 2021-2024 Aklivity Inc.
   *
   * Aklivity 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 io.aklivity.zilla.runtime.engine.metrics;
  
  import io.aklivity.zilla.runtime.engine.EngineContext;
  
  public interface Metric
  {
      enum Kind
      {
          COUNTER,
          GAUGE,
          HISTOGRAM
      }
  
      enum Unit
      {
          BYTES,
          NANOSECONDS,
          COUNT
      }
  
      String name();
  
      Kind kind();
  
      Unit unit();
  
      String description();
  
      MetricContext supply(
          EngineContext context);
  }
  