Line data    Source code

       1             : // Copyright (C) 2014 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.cache;
      16             : 
      17             : public interface PersistentCache {
      18             : 
      19             :   DiskStats diskStats();
      20             : 
      21             :   class DiskStats {
      22             :     private final long size;
      23             :     private final long space;
      24             :     private final long hitCount;
      25             :     private final long missCount;
      26             : 
      27          16 :     public DiskStats(long size, long space, long hitCount, long missCount) {
      28          16 :       this.size = size;
      29          16 :       this.space = space;
      30          16 :       this.hitCount = hitCount;
      31          16 :       this.missCount = missCount;
      32          16 :     }
      33             : 
      34             :     public long size() {
      35          15 :       return size;
      36             :     }
      37             : 
      38             :     public long space() {
      39          16 :       return space;
      40             :     }
      41             : 
      42             :     public long hitCount() {
      43          16 :       return hitCount;
      44             :     }
      45             : 
      46             :     public long requestCount() {
      47          16 :       return hitCount + missCount;
      48             :     }
      49             :   }
      50             : }