MissingIndicesException


1   /*
2    * Copyright 2002 (C) TJDO.
3    * All rights reserved.
4    *
5    * This software is distributed under the terms of the TJDO License version 1.0.
6    * See the terms of the TJDO License in the documentation provided with this software.
7    *
8    * $Id: MissingIndicesException.java,v 1.3 2002/11/08 05:06:25 jackknifebarber Exp $
9    */
10  
11  package com.triactive.jdo.store;
12  
13  import java.util.Collection  ;
14  import java.util.Iterator  ;
15  
16  
17  /**
18   * A <tt>MissingIndicesException</tt> is thrown if an expected index is not
19   * found in the database during schema validation.
20   *
21   * @author <a HREF="mailto:mmartin5@austin.rr.com">Mike Martin</a>
22   * @version $Revision: 1.3 $
23   *
24   * @see Table
25   */
26  
27  public class MissingIndicesException extends SchemaValidationException
28  {
29      /**
30       * Constructs a missing index(s) exception.
31       *
32       * @param table The table in which index(s) were missing.
33       * @param stmts The statements that would be used to create the missing indices.
34       */
35  
36      public MissingIndicesException(Table table, Collection   stmts)
37      {
38          super("Required indices missing from " + table + '\n' + listOnePerLine(stmts));
39      }
40  
41  
42      private static String   listOnePerLine(Collection   stmts)
43      {
44          StringBuffer   list = new StringBuffer  ();
45          Iterator   i = stmts.iterator();
46  
47          while (i.hasNext())
48              list.append(i.next()).append('\n');
49  
50          return list.toString();
51      }
52  }
53

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