/*
* 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.jena.atlas.lib.cache;
import org.apache.jena.ext.com.google.common.cache.CacheStats ;
/** Simplified version of Guava's CacheStats (and abstractign away from Guava cache implementation) */
public class CacheInfo {
public final long requests;
public final long hits;
public final long misses;
public final double hitRate;
public final int cacheSize;
public CacheInfo(int cacheSize, CacheStats stats) {
this(cacheSize, stats.requestCount(), stats.hitCount(), stats.missCount(), stats.hitRate() ) ;
}
public CacheInfo(int cacheSize, long requests, long hits, long misses, double hitRate) {
this.cacheSize = cacheSize ;
this.requests = requests ;
this.hits = hits ;
this.misses = misses ;
this.hitRate = hitRate ;
}
@Override
public String toString() {
return String.format("size=%,d count=%,d hits=%,d misses=%,d rate=%.1f",
cacheSize, requests, hits, misses, hitRate) ;
}
}