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// Copyright (C) 2016 The Android Open Source Project
//
// 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 com.google.gerrit.server.patch;
import com.google.common.cache.Weigher;
/** Computes memory usage for {@link DiffSummary} in bytes of memory used. */
public class DiffSummaryWeigher implements Weigher<DiffSummaryKey, DiffSummary> {
@Override
public int weigh(DiffSummaryKey key, DiffSummary value) {
int size =
16
+ 4 * 8
+ 2 * 36 // Size of DiffSummaryKey, 64 bit JVM
+ 16
+ 8
+ 2 * 4 // Size of DiffSummary
+ 16
+ 8; // String[]
for (String p : value.getPaths()) {
size +=
16
+ 8
+ 4 * 4 // String
+ 16
+ 8
+ p.length() * 2; // char[]
}
return size;
}
}
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