| /* |
| * 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.openejb.monitoring; |
| |
| //import org.apache.commons.math.stat.descriptive.SynchronizedDescriptiveStatistics; |
| //import org.apache.commons.math.stat.descriptive.DescriptiveStatistics; |
| |
| import java.util.concurrent.atomic.AtomicLong; |
| import java.util.concurrent.TimeUnit; |
| import java.util.Date; |
| import java.text.SimpleDateFormat; |
| import java.text.DateFormat; |
| |
| /** |
| * @version $Rev$ $Date$ |
| */ |
| @Managed(append = true) |
| public class Event { |
| private final AtomicLong count = new AtomicLong(); |
| private final AtomicLong last = new AtomicLong(); |
| |
| public void record() { |
| last.getAndSet(System.currentTimeMillis()); |
| count.incrementAndGet(); |
| } |
| |
| @Managed |
| public long get() { |
| return count.get(); |
| } |
| |
| @Managed |
| public String getLatest() { |
| long last = this.last.get(); |
| |
| if (last <= 0) return "-"; |
| |
| DateFormat format = SimpleDateFormat.getDateTimeInstance(); |
| return format.format(new Date(last)); |
| } |
| |
| @Managed |
| public long getLatestTime() { |
| return this.last.get(); |
| } |
| } |