ApplicationConfigurationSource.java

/**
 * Copyright (c) 2008-2011 Sonatype, Inc.
 * All rights reserved. Includes the third-party code listed at http://www.sonatype.com/products/nexus/attributions.
 *
 * This program is free software: you can redistribute it and/or modify it only under the terms of the GNU Affero General
 * Public License Version 3 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License Version 3
 * for more details.
 *
 * You should have received a copy of the GNU Affero General Public License Version 3 along with this program.  If not, see
 * http://www.gnu.org/licenses.
 *
 * Sonatype Nexus (TM) Open Source Version is available from Sonatype, Inc. Sonatype and Sonatype Nexus are trademarks of
 * Sonatype, Inc. Apache Maven is a trademark of the Apache Foundation. M2Eclipse is a trademark of the Eclipse Foundation.
 * All other trademarks are the property of their respective owners.
 */
package org.sonatype.nexus.configuration.source;

import org.sonatype.configuration.source.ConfigurationSource;
import org.sonatype.nexus.configuration.model.Configuration;

/**
 * The Interface ApplicationConfigurationSource, responsible to fetch Nexus user configuration by some means. It also
 * stores one instance of Configuration object maintained thru life of Nexus. This component is also able to persist
 * user config.
 * 
 * @author cstamas
 */
public interface ApplicationConfigurationSource
    extends ConfigurationSource<Configuration>
{
    /**
     * Returns the configuration that this configuration uses for defaulting.
     * 
     * @return a config source that is default source for this config or null
     */
    ApplicationConfigurationSource getDefaultsSource();
}