/*
 * Copyright (C) 2010, Google Inc. and others
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0 which is available at
 * https://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package org.eclipse.jgit.lib;

import java.io.IOException;

import org.eclipse.jgit.errors.ConfigInvalidException;

Persistent configuration that can be stored and loaded from a location.
/**
 * Persistent configuration that can be stored and loaded from a location.
 */
public abstract class StoredConfig extends Config {
	
Create a configuration with no default fallback.
/**
	 * Create a configuration with no default fallback.
	 */
	public StoredConfig() {
		super();
	}

	
Create an empty configuration with a fallback for missing keys.
Params:
defaultConfig – 
           the base configuration to be consulted when a key is missing
           from this configuration instance./**
	 * Create an empty configuration with a fallback for missing keys.
	 *
	 * @param defaultConfig
	 *            the base configuration to be consulted when a key is missing
	 *            from this configuration instance.
	 */
	public StoredConfig(Config defaultConfig) {
		super(defaultConfig);
	}

	
Load the configuration from the persistent store.

If the configuration does not exist, this configuration is cleared, and
thus behaves the same as though the backing store exists, but is empty.
Throws:
IOException – 
            the configuration could not be read (but does exist).
ConfigInvalidException – 
            the configuration is not properly formatted./**
	 * Load the configuration from the persistent store.
	 * <p>
	 * If the configuration does not exist, this configuration is cleared, and
	 * thus behaves the same as though the backing store exists, but is empty.
	 *
	 * @throws java.io.IOException
	 *             the configuration could not be read (but does exist).
	 * @throws org.eclipse.jgit.errors.ConfigInvalidException
	 *             the configuration is not properly formatted.
	 */
	public abstract void load() throws IOException, ConfigInvalidException;

	
Save the configuration to the persistent store.
Throws:
IOException – 
            the configuration could not be written./**
	 * Save the configuration to the persistent store.
	 *
	 * @throws java.io.IOException
	 *             the configuration could not be written.
	 */
	public abstract void save() throws IOException;

	
{@inheritDoc} /** {@inheritDoc} */
	@Override
	public void clear() {
		super.clear();
	}
}