/**
* 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.ambari.view.pig.persistence;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.configuration.reloading.FileChangedReloadingStrategy;
import java.io.File;
/**
* Configuration enables all necessary options for PropertiesConfiguration:
* auto-save, auto-reloading, no delimiter parsing and other
*/
public class PersistentConfiguration extends PropertiesConfiguration {
/**
* Constructor
* @param fileName path to data file
* @throws ConfigurationException
*/
public PersistentConfiguration(String fileName) throws ConfigurationException {
super();
File config = new File(fileName);
setFile(config);
this.setAutoSave(true);
this.setReloadingStrategy(new FileChangedReloadingStrategy());
this.setDelimiterParsingDisabled(true);
this.setListDelimiter((char) 0);
if (config.exists()) {
this.load();
}
}
}