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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.commons.configuration;
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import org.apache.commons.configuration.reloading.Reloadable;
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* <p>A base class for hierarchical configurations with specific reloading
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* <p>This class manages a lock object which can be used for synchronization.</p>
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* href="http://commons.apache.org/configuration/team-list.html">Commons
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* Configuration team</a>
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* @version $Id: HierarchicalReloadableConfiguration.java 1162387 2011-08-27 16:05:20Z oheger $
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public class HierarchicalReloadableConfiguration extends HierarchicalConfiguration
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/** Constant for the name used for the lock object. */
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private static final String LOCK_NAME = "HierarchicalReloadableConfigurationLock";
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/** The lock object used by this instance. */
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private final Object reloadLock;
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* Creates a new instance of <code>HierarchicalReloadableConfiguration</code>.
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public HierarchicalReloadableConfiguration()
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reloadLock = new Lock(LOCK_NAME);
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* Creates a new instance of
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* <code>HierarchicalReloadableConfiguration</code> and initializes it with
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* the given lock object.
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* @param lock the lock object
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public HierarchicalReloadableConfiguration(Object lock)
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reloadLock = lock == null ? new Lock(LOCK_NAME) : lock;
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* Creates a new instance of <code>HierarchicalConfiguration</code> and
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* copies all data contained in the specified configuration into the new
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* @param c the configuration that is to be copied (if <b>null</b>, this
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* constructor will behave like the standard constructor)
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public HierarchicalReloadableConfiguration(HierarchicalConfiguration c)
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reloadLock = new Lock(LOCK_NAME);
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public Object getReloadLock()