/* * 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.commons.jcs3.jcache; import java.util.concurrent.atomic.AtomicLong; public class Statistics { private volatile boolean active = true; private final AtomicLong removals = new AtomicLong(); private final AtomicLong expiries = new AtomicLong(); private final AtomicLong puts = new AtomicLong(); private final AtomicLong hits = new AtomicLong(); private final AtomicLong misses = new AtomicLong(); private final AtomicLong evictions = new AtomicLong(); private final AtomicLong putTimeTaken = new AtomicLong(); private final AtomicLong getTimeTaken = new AtomicLong(); private final AtomicLong removeTimeTaken = new AtomicLong(); public long getHits() { return hits.get(); } public long getMisses() { return misses.get(); } public long getPuts() { return puts.get(); } public long getRemovals() { return removals.get(); } public long getEvictions() { return evictions.get(); } public long getTimeTakenForGets() { return getTimeTaken.get(); } public long getTimeTakenForPuts() { return putTimeTaken.get(); } public long getTimeTakenForRemovals() { return removeTimeTaken.get(); } public void increaseRemovals(final long number) { increment(removals, number); } public void increaseExpiries(final long number) { increment(expiries, number); } public void increasePuts(final long number) { increment(puts, number); } public void increaseHits(final long number) { increment(hits, number); } public void increaseMisses(final long number) { increment(misses, number); } public void increaseEvictions(final long number) { increment(evictions, number); } public void addGetTime(final long duration) { increment(duration, getTimeTaken); } public void addPutTime(final long duration) { increment(duration, putTimeTaken); } public void addRemoveTime(final long duration) { increment(duration, removeTimeTaken); } private void increment(final AtomicLong counter, final long number) { if (!active) { return; } counter.addAndGet(number); } private void increment(final long duration, final AtomicLong counter) { if (!active) { return; } if (counter.get() < Long.MAX_VALUE - duration) { counter.addAndGet(duration); } else { reset(); counter.set(duration); } } public void reset() { puts.set(0); misses.set(0); removals.set(0); expiries.set(0); hits.set(0); evictions.set(0); getTimeTaken.set(0); putTimeTaken.set(0); removeTimeTaken.set(0); } public void setActive(final boolean active) { this.active = active; } }