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Java > Open Source Codes > javax > microedition > rms > RecordEnumeration


1
2 /*
3  * MicroEmulator
4  * Copyright (C) 2001 Bartek Teodorczyk <barteo@it.pl>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  */
20  
21 package javax.microedition.rms;
22
23
24 public interface RecordEnumeration
25 {
26
27   int numRecords();
28   
29   byte[] nextRecord()
30       throws InvalidRecordIDException, RecordStoreNotOpenException, RecordStoreException;
31   
32   int nextRecordId()
33       throws InvalidRecordIDException;
34   
35   byte[] previousRecord()
36       throws InvalidRecordIDException, RecordStoreNotOpenException, RecordStoreException;
37   
38   int previousRecordId()
39       throws InvalidRecordIDException;
40   
41   boolean hasNextElement();
42   
43   boolean hasPreviousElement();
44   
45   void reset();
46   
47   void rebuild();
48   
49   void keepUpdated(boolean keepUpdated);
50   
51   boolean isKeptUpdated();
52   
53   void destroy();
54
55 }
56
57
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