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.cassandra.cache;
  
  /**
   * Represents a weighted cache size.
   *
   * The non-auth caches are weighted (they do care about weight of a single entry) whereas the auth caches are
   * unweighted.
   */
  public interface CacheSize
  {
      /**
       * Returns the maximum total weighted size of this cache.
       */
      long capacity();
  
      /**
       * Specifies the maximum total weighted size of this cache.
       */
      void setCapacity(long capacity);
  
      /**
       * Returns the approximate number of entries in this cache.
       */
      int size();
  
      /**
       * Returns the approximate accumulated weight of entries in this cache.
       */
      long weightedSize();
  }
  