/*
* This file is part of the Wayback archival access software
* (http://archive-access.sourceforge.net/projects/wayback/).
*
* Licensed to the Internet Archive (IA) by one or more individual
* contributors.
*
* The IA 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.archive.wayback.resourcestore.locationdb;
import java.io.IOException;
import org.archive.util.iterator.CloseableIterator;
/**
* Interface to a database that maps file key Strings to zero or more value
* Strings. Additionally, the database supports a "getCurrentMark" call that
* will return an long value. The results of two independent calls to
* getCurrentMark() can be passed to getNamesBetweenMarks() to retrieve an
* Iterator listing all key Strings added to the database between the two calls
* to getCurrentMark()
*
* @author brad
* @version $Date$, $Revision$
*/
public interface ResourceFileLocationDB {
public void shutdown() throws IOException;
public String[] nameToUrls(final String name)
throws IOException;
public void addNameUrl(final String name, final String url)
throws IOException;
public void removeNameUrl(final String name, final String url)
throws IOException;
public CloseableIterator<String> getNamesBetweenMarks(long start, long end)
throws IOException;
public long getCurrentMark() throws IOException;
}