| /* |
| * 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.geode.internal.admin.remote; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.distributed.internal.ClusterDistributionManager; |
| import org.apache.geode.distributed.internal.SerialDistributionMessage; |
| import org.apache.geode.internal.alerting.AlertLevel; |
| import org.apache.geode.internal.logging.LogService; |
| import org.apache.geode.internal.logging.log4j.LogMarker; |
| |
| /** |
| * A message that is sent to make members of the distributed system aware that a manager agent wants |
| * alerts at a new level. |
| * |
| * @since GemFire 3.5 |
| */ |
| public class AlertLevelChangeMessage extends SerialDistributionMessage { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| /** The new alert level */ |
| private int newLevel; |
| |
| /** |
| * Creates a new {@code AlertLevelChangeMessage}. |
| */ |
| public static AlertLevelChangeMessage create(int newLevel) { |
| AlertLevelChangeMessage alertLevelChangeMessage = new AlertLevelChangeMessage(); |
| alertLevelChangeMessage.newLevel = newLevel; |
| return alertLevelChangeMessage; |
| } |
| |
| @Override |
| public void process(ClusterDistributionManager dm) { |
| dm.getAlertingService().removeAlertListener(getSender()); |
| |
| if (newLevel != AlertLevel.NONE.intLevel()) { |
| dm.getAlertingService().addAlertListener(getSender(), AlertLevel.find(newLevel)); |
| if (logger.isTraceEnabled(LogMarker.DM_VERBOSE)) { |
| logger.trace(LogMarker.DM_VERBOSE, "Added new AlertListener"); |
| } |
| } |
| } |
| |
| @Override |
| public int getDSFID() { |
| return ALERT_LEVEL_CHANGE_MESSAGE; |
| } |
| |
| @Override |
| public void toData(DataOutput out) throws IOException { |
| super.toData(out); |
| out.writeInt(newLevel); |
| } |
| |
| @Override |
| public void fromData(DataInput in) throws IOException, ClassNotFoundException { |
| super.fromData(in); |
| newLevel = in.readInt(); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("Changing alert level to %s", AlertLevel.find(newLevel)); |
| } |
| } |