com.google.gerrit.server.patch.IntraLineWeigher Maven / Gradle / Ivy
// Copyright (C) 2012 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;
/** Approximates memory usage for IntralineDiff in bytes of memory used. */
public class IntraLineWeigher implements Weigher {
@Override
public int weigh(IntraLineDiffKey key, IntraLineDiff value) {
return 16
+ 8 * 8
+ 2 * 36 // Size of IntraLineDiffKey, 64 bit JVM
+ 16
+ 2 * 8
+ 16
+ 8
+ 4
+ 20 // Size of IntraLineDiff, 64 bit JVM
+ (8 + 16 + 4 * 4) * value.getEdits().size();
}
}