org.apache.hadoop.hbase.CacheEvictionStatsBuilder Maven / Gradle / Ivy
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* 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 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);
}
}