content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  // Includes work from:
  /*
   * Copyright 2010 Google Inc. All Rights Reserved.
   *
   * 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.opentelemetry.instrumentation.api.internal.cache.concurrentlinkedhashmap;
  
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * A class that can determine the weight of a value. The total weight threshold is used to determine
   * when an eviction is required.
   *
   * @author ben.manes@gmail.com (Ben Manes)
   * @see <a href="http://code.google.com/p/concurrentlinkedhashmap/">
   *     http://code.google.com/p/concurrentlinkedhashmap/</a>
   */
  @ThreadSafe
  public interface Weigher<V> {
  
    /**
     * Measures an object's weight to determine how many units of capacity that the value consumes. A
     * value must consume a minimum of one unit.
     *
     * @param value the object to weigh
     * @return the object's weight
     */
    int weightOf(V value);
  }
  