Line data    Source code

       1             : // Copyright (C) 2020 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.patch.filediff;
      16             : 
      17             : import com.google.common.cache.Weigher;
      18             : 
      19             : /**
      20             :  * A weigher for the {@link FileDiffCache} key and value. This is used by the cache backend to
      21             :  * assign weights for cache entries and is used for evictions.
      22             :  */
      23         152 : public class FileDiffWeigher implements Weigher<FileDiffCacheKey, FileDiffOutput> {
      24             : 
      25             :   @Override
      26             :   public int weigh(FileDiffCacheKey key, FileDiffOutput fileDiffOutput) {
      27         104 :     return key.weight() + fileDiffOutput.weight();
      28             :   }
      29             : }