| /** |
| * |
| * 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.hadoop.hbase; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| @InterfaceAudience.Private |
| public final class CacheEvictionStatsBuilder { |
| long evictedBlocks = 0; |
| long maxCacheSize = 0; |
| Map<byte[], Throwable> exceptions = new HashMap<>(); |
| |
| CacheEvictionStatsBuilder() { |
| } |
| |
| public CacheEvictionStatsBuilder withEvictedBlocks(long evictedBlocks) { |
| this.evictedBlocks = evictedBlocks; |
| return this; |
| } |
| |
| public CacheEvictionStatsBuilder withMaxCacheSize(long maxCacheSize) { |
| this.maxCacheSize = maxCacheSize; |
| return this; |
| } |
| |
| public void addException(byte[] regionName, Throwable ie){ |
| exceptions.put(regionName, ie); |
| } |
| |
| public CacheEvictionStatsBuilder append(CacheEvictionStats stats) { |
| this.evictedBlocks += stats.getEvictedBlocks(); |
| this.maxCacheSize += stats.getMaxCacheSize(); |
| this.exceptions.putAll(stats.getExceptions()); |
| return this; |
| } |
| |
| public CacheEvictionStats build() { |
| return new CacheEvictionStats(this); |
| } |
| } |