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yacy_search_server/source/net/yacy/kelondro/rwi/IndexReader.java

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// IndexReader.java
// (C) 2008 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 2.4.2008 on http://yacy.net
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// $LastChangedDate: 2009-10-10 01:22:22 +0200 (Sa, 10 Okt 2009) $
// $LastChangedRevision: 6392 $
// $LastChangedBy: orbiter $
//
// LICENSE
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package net.yacy.kelondro.rwi;
import java.util.Set;
import net.yacy.kelondro.order.CloneableIterator;
public interface IndexReader<ReferenceType extends Reference> {
public int size();
public boolean has(byte[] wordHash); // should only be used if in case that true is returned the getContainer is NOT called
public ReferenceContainer<ReferenceType> get(byte[] wordHash, Set<String> urlselection);
public CloneableIterator<ReferenceContainer<ReferenceType>> references(byte[] startWordHash, boolean rot);
public void close();
}