/*
* #!
* Ontopia DB2TM
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* Licensed 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 net.ontopia.topicmaps.db2tm;
/**
* INTERNAL: A tuple reader is an iterator-like interface for looping
* through the tuples from a given relation.
*/
public interface TupleReaderIF {
/**
* INTERNAL: Returns the next tuple. Method will return null when
* there are no more tuples.
*/
public String[] readNext();
// NOTE: next method intended for further performance improvements
//! public boolean readNext(String[] tuple, int offset, int length);
/**
* INTERNAL: Releases all resources held by the tuple reader. This
* method should be called when done with the tuple reader.
*/
public void close();
}