| /* |
| * 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.configuration2.reloading; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** |
| * A strategy to reload configuration based on management requests. Designed for |
| * JMX management. |
| * |
| */ |
| public class ManagedReloadingDetector implements ReloadingDetector, |
| ManagedReloadingDetectorMBean |
| { |
| /** The logger. */ |
| private final Log log = LogFactory.getLog(ManagedReloadingDetector.class); |
| |
| /** A flag whether a reload is required. */ |
| private volatile boolean reloadingRequired; |
| |
| /** |
| * {@inheritDoc} This implementation resets the internal flag indicating |
| * that a reload should be performed. |
| */ |
| @Override |
| public void reloadingPerformed() |
| { |
| reloadingRequired = false; |
| } |
| |
| /** |
| * Checks whether reloading is required. This implementation checks whether |
| * the {@code refresh()} method has been invoked. |
| * |
| * @return a flag whether reloading is required |
| */ |
| @Override |
| public boolean isReloadingRequired() |
| { |
| return reloadingRequired; |
| } |
| |
| /** |
| * Tells this strategy that the monitored configuration file should be |
| * refreshed. This method will typically be called from outside (through an |
| * exposed MBean) on behalf of an administrator. |
| * |
| * @see org.apache.commons.configuration2.reloading.ManagedReloadingDetectorMBean#refresh() |
| */ |
| @Override |
| public void refresh() |
| { |
| log.info("Reloading configuration."); |
| reloadingRequired = true; |
| } |
| } |