| /* |
| * 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.cassandra.utils.progress.jmx; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.atomic.AtomicLong; |
| import javax.management.Notification; |
| import javax.management.NotificationBroadcasterSupport; |
| |
| import org.apache.cassandra.utils.progress.ProgressEvent; |
| import org.apache.cassandra.utils.progress.ProgressListener; |
| |
| /** |
| * ProgressListener that translates ProgressEvent to JMX Notification message. |
| */ |
| public class JMXProgressSupport implements ProgressListener |
| { |
| private final AtomicLong notificationSerialNumber = new AtomicLong(); |
| |
| private final NotificationBroadcasterSupport broadcaster; |
| |
| public JMXProgressSupport(NotificationBroadcasterSupport broadcaster) |
| { |
| this.broadcaster = broadcaster; |
| } |
| |
| @Override |
| public void progress(String tag, ProgressEvent event) |
| { |
| Notification notification = new Notification("progress", |
| tag, |
| notificationSerialNumber.getAndIncrement(), |
| System.currentTimeMillis(), |
| event.getMessage()); |
| Map<String, Integer> userData = new HashMap<>(); |
| userData.put("type", event.getType().ordinal()); |
| userData.put("progressCount", event.getProgressCount()); |
| userData.put("total", event.getTotal()); |
| notification.setUserData(userData); |
| broadcaster.sendNotification(notification); |
| } |
| } |