| /* |
| * 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.jcs.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; |
| } |
| } |