/*
* Copyright 2004-2018 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.tools;
import java.sql.
SQLException;
/**
* This interface is for classes that create rows on demand.
* It is used together with SimpleResultSet to create a dynamic result set.
*/
public interface
SimpleRowSource {
/**
* Get the next row. Must return null if no more rows are available.
*
* @return the row or null
*/
Object[]
readRow() throws
SQLException;
/**
* Close the row source.
*/
void
close();
/**
* Reset the position (before the first row).
*
* @throws SQLException if this operation is not supported
*/
void
reset() throws
SQLException;
}