1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>additional C++ changes</title>
<link rel="stylesheet" href="gettingStarted.css" type="text/css" />
<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
<link rel="start" href="index.html" title="Berkeley DB Upgrade Guide" />
<link rel="up" href="upgrade_3_0_toc.html" title="Chapter 14. Upgrading Berkeley DB 2.X applications to Berkeley DB 3.0" />
<link rel="prev" href="upgrade_3_0_db_cxx.html" title="Db class for C++ and Java" />
<link rel="next" href="upgrade_3_0_java.html" title="additional Java changes" />
</head>
<body>
<div xmlns="" class="navheader">
<div class="libver">
<p>Library Version 11.2.5.3</p>
</div>
<table width="100%" summary="Navigation header">
<tr>
<th colspan="3" align="center">additional C++ changes</th>
</tr>
<tr>
<td width="20%" align="left"><a accesskey="p" href="upgrade_3_0_db_cxx.html">Prev</a> </td>
<th width="60%" align="center">Chapter 14. Upgrading Berkeley DB 2.X applications to Berkeley DB 3.0</th>
<td width="20%" align="right"> <a accesskey="n" href="upgrade_3_0_java.html">Next</a></td>
</tr>
</table>
<hr />
</div>
<div class="sect1" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both"><a id="upgrade_3_0_cxx"></a>additional C++ changes</h2>
</div>
</div>
</div>
<p>The Db::set_error_model method is gone. The way to change the C++ API to
return errors rather than throw exceptions is via a flag on the DbEnv or
Db constructor. For example:</p>
<pre class="programlisting">int dberr;
DbEnv *dbenv = new DbEnv(DB_CXX_NO_EXCEPTIONS);</pre>
<p>creates an environment that will never throw exceptions, and method
returns should be checked instead.</p>
<p>There are a number of smaller changes to the API that bring the C, C++
and Java APIs much closer in terms of functionality and usage. Please
refer to the pages for upgrading C applications for further details.</p>
</div>
<div class="navfooter">
<hr />
<table width="100%" summary="Navigation footer">
<tr>
<td width="40%" align="left"><a accesskey="p" href="upgrade_3_0_db_cxx.html">Prev</a> </td>
<td width="20%" align="center">
<a accesskey="u" href="upgrade_3_0_toc.html">Up</a>
</td>
<td width="40%" align="right"> <a accesskey="n" href="upgrade_3_0_java.html">Next</a></td>
</tr>
<tr>
<td width="40%" align="left" valign="top">Db class for C++ and Java </td>
<td width="20%" align="center">
<a accesskey="h" href="index.html">Home</a>
</td>
<td width="40%" align="right" valign="top"> additional Java changes</td>
</tr>
</table>
</div>
</body>
</html>
|
