/*
* Copyright 2004-2023 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://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
* @throws SQLException on failure
*/
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;
}