SimpleRowSource


1   /*
2    * Copyright 2004-2006 H2 Group. Licensed under the H2 License, Version 1.0 (http://h2database.com/html/license.html).
3    * Initial Developer: H2 Group
4    */
5   package org.h2.tools;
6   
7   import java.sql.SQLException  ;
8   
9   /**
10   * This interface is for classes that create rows on demand. 
11   * It is used together with SimpleResultSet to create a dynamic result set.
12   */
13  public interface SimpleRowSource {
14      
15      /**
16       * Get the next row. Must return null if no more rows are available.
17       * 
18       * @return the row or null
19       * @throws SQLException
20       */
21      Object  [] readRow() throws SQLException  ;
22      
23      /**
24       * Close the row source.
25       */
26      void close();
27  
28      /**
29       * Reset the position (before the first row).
30       * 
31       * @throws SQLException if this operation is not supported
32       */
33      void reset() throws SQLException  ;
34  }
35

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