ListIteratorNode.hpp Source File

00001 /*==========================================================================
00002  * Copyright (c) 2004 University of Massachusetts.  All Rights Reserved.
00003  *
00004  * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
00005  * is subject to the terms of the software license set forth in the LICENSE
00006  * file included with this software, and also available at
00007  * http://www.lemurproject.org/license.html
00008  *
00009  *==========================================================================
00010 */
00011 
00012 
00013 //
00014 // ListIteratorNode
00015 //
00016 // 26 January 2004 -- tds
00017 //
00018 
00019 #ifndef INDRI_LISTITERATORNODE_HPP
00020 #define INDRI_LISTITERATORNODE_HPP
00021 
00022 #include "indri/InferenceNetworkNode.hpp"
00023 #include "indri/Extent.hpp"
00024 #include <indri/greedy_vector>
00025 
00026 class ListIteratorNode : public InferenceNetworkNode {
00027 public:
00029   virtual void prepare( int documentID ) = 0;
00030 
00032   virtual const greedy_vector<Extent>& extents() = 0;
00033 
00035   virtual void annotate( class Annotator& annotator, int documentID, int begin, int end ) = 0;
00036 };
00037 
00038 #endif // INDRI_LISTNODE_HPP
00039