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170 lines
6.6 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>Chapter 29. Dbstl Exception Classes</title>
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<link rel="stylesheet" href="apiReference.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB C++ Standard Template Library API Reference" />
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 11.2.5.2</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">Chapter 29.
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Dbstl Exception Classes </th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="stlReadModifyWriteOptionno_read_modify_write.html">Prev</a> </td>
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<th width="60%" align="center"> </th>
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<td width="20%" align="right"> <a accesskey="n" href="DbstlException.html">Next</a></td>
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<div class="chapter" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title"><a id="Exception_classes_group"></a>Chapter 29.
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Dbstl Exception Classes </h2>
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</div>
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</div>
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</div>
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<p>dbstl throws several types of exceptions on several kinds of errors, the exception classes form a class hiarachy. </p>
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<p>First, there is the <a class="link" href="DbstlException.html" title="Chapter 30. DbstlException">DbstlException</a>
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, which is the base class for all types of dbstl specific concrete exception classes. <a class="link" href="DbstlException.html" title="Chapter 30. DbstlException">DbstlException</a>
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inherits from the class DbException of Berkeley DB C++ API. Since DbException class inherits from C++ STL exception base class std::exception, you can make use of all Berkeley DB C++ and dbstl API exceptions in the same way you use the C++ std::exception class.</p>
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<p>Besides exceptions of <a class="link" href="DbstlException.html" title="Chapter 30. DbstlException">DbstlException</a>
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and its subclasses, dbstl may also throw exceptions of DbException and its subclasses, which happens when a Berkeley DB call failed. So you should use the same way you catch Berkeley DB C++ API exceptions when you want to catch exceptions throw by Berkeley DB operations.</p>
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<p>When an exception occurs, dbstl initialize an local exception object on the stack and throws the exception object, so you should catch an exception like this:</p>
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<p>try { dbstl operations } catch(DbstlException ex){ Exception handling throw ex; // Optionally throw ex again } </p>
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<h4><a id="id3624450"></a> Public Members </h4>
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<div class="informaltable">
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<table border="1" width="80%">
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<colgroup>
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<col />
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<col />
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</colgroup>
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<thead>
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<tr>
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<th>Member</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>
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<a class="link" href="DbstlException.html" title="Chapter 30. DbstlException">
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DbstlException</a>
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</td>
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<td>
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DbstlException</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="NotEnoughMemoryException.html" title="Chapter 35. NotEnoughMemoryException">
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NotEnoughMemoryException</a>
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</td>
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<td>
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NotEnoughMemoryException</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="InvalidIteratorException.html" title="Chapter 37. InvalidIteratorException">
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InvalidIteratorException</a>
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</td>
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<td>
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InvalidIteratorException</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="InvalidCursorException.html" title="Chapter 33. InvalidCursorException">
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InvalidCursorException</a>
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</td>
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<td>
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InvalidCursorException</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="InvalidDbtException.html" title="Chapter 31. InvalidDbtException">
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InvalidDbtException</a>
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</td>
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<td>
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InvalidDbtException</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="FailedAssertionException.html" title="Chapter 32. FailedAssertionException">
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FailedAssertionException</a>
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</td>
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<td>
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FailedAssertionException</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="NoSuchKeyException.html" title="Chapter 34. NoSuchKeyException">
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NoSuchKeyException</a>
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</td>
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<td>
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NoSuchKeyException</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="InvalidArgumentException.html" title="Chapter 39. InvalidArgumentException">
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InvalidArgumentException</a>
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</td>
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<td>
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InvalidArgumentException</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="NotSupportedException.html" title="Chapter 36. NotSupportedException">
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NotSupportedException</a>
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</td>
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<td>
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NotSupportedException</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="InvalidFunctionCall.html" title="Chapter 38. InvalidFunctionCall">
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InvalidFunctionCall</a>
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</td>
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<td>
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InvalidFunctionCall</td>
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</tr>
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</tbody>
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</table>
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</div>
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<h4><a id="id3624635"></a>
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Group</h4>
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<p>
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None</p>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="stlReadModifyWriteOptionno_read_modify_write.html">Prev</a> </td>
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<td width="20%" align="center"> </td>
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<td width="40%" align="right"> <a accesskey="n" href="DbstlException.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">no_read_modify_write </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> Chapter 30.
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DbstlException </td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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