/*
* Created on Oct 12, 2006
* Copyright (C) 2001-6, Anthony Harrison anh23@pitt.edu (jactr.org) This library is free
* software; you can redistribute it and/or modify it under the terms of the GNU
* Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
* This library 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 Lesser General Public License for more
* details. You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.jactr.core.module.declarative.search;
import java.util.Collection;
import java.util.Comparator;
import org.jactr.core.chunk.IChunk;
import org.jactr.core.production.request.ChunkTypeRequest;
/**
* A search system that indexes and retrieves I(ndexable) based on P(attern)
* @author developer
*
*/
public interface ISearchSystem
{
/**
* index this object
*
*/
public void index(IChunk chunk);
/**
* remove this object from the index
*
*/
public void unindex(IChunk chunk);
public void update(IChunk chunk, String slotName, Object oldValue, Object newValue);
/**
* return all I that match this pattern exactly
* @param pattern
* @param sortRule may be null
* @return
*/
public Collection<IChunk> findExact(ChunkTypeRequest pattern, Comparator<IChunk> sortRule);
/**
* find all I that match this pattern somewhat
* @param pattern
* @return
*/
public Collection<IChunk> findFuzzy(ChunkTypeRequest pattern, Comparator<IChunk> sortRule);
public void clear();
// public void addListener(ISearchListener listener, Executor executor);
//
// public void removeListener(ISearchListener listener);
//
// public boolean hasListeners();
}