| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * Licensed 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.onosproject.faultmanagement.alarms.gui; |
| |
| import org.onosproject.alarm.AlarmEvent; |
| import org.onosproject.alarm.AlarmListener; |
| |
| /** |
| * Encapsulates the behavior of monitoring when new alarms are stored. |
| */ |
| public class AlarmMonitor { |
| |
| private final AlarmTopovMessageHandler messageHandler; |
| private final AlarmListener alarmListener = new TopoAlarmListener(); |
| private volatile boolean isMonitoring; |
| |
| |
| /** |
| * Constructs a traffic monitor. |
| * |
| * @param msgHandler the alarm message handler |
| */ |
| public AlarmMonitor(AlarmTopovMessageHandler msgHandler) { |
| messageHandler = msgHandler; |
| messageHandler.alarmService.addListener(alarmListener); |
| } |
| |
| /** |
| * Activates updating the alarms onf the GUI client. |
| */ |
| protected void startMonitorig() { |
| isMonitoring = true; |
| } |
| |
| /** |
| * De-activates updating the alarms onf the GUI client. |
| */ |
| protected void stopMonitoring() { |
| isMonitoring = false; |
| } |
| |
| //internal alarm listener |
| private class TopoAlarmListener implements AlarmListener { |
| |
| @Override |
| public void event(AlarmEvent event) { |
| if (isMonitoring) { |
| messageHandler.sendAlarmHighlights(); |
| } |
| } |
| } |
| } |