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91 lines
4.5 KiB
HTML
91 lines
4.5 KiB
HTML
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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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>XA Introduction</title>
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<link rel="stylesheet" href="gettingStarted.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 Programmer's Reference Guide" />
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<link rel="up" href="xa.html" title="Chapter 13. Distributed Transactions" />
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<link rel="prev" href="xa_build.html" title="Building a Global Transaction Manager" />
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<link rel="next" href="xa_xa_config.html" title="Configuring Berkeley DB with the Tuxedo System" />
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</head>
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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">XA Introduction</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="xa_build.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 13.
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Distributed Transactions
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="xa_xa_config.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" 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" style="clear: both"><a id="xa_xa_intro"></a>XA Introduction</h2>
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</div>
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</div>
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</div>
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<p>Berkeley DB can be used as an XA-compliant resource manager. The XA
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implementation is known to work with the Tuxedo transaction
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manager.</p>
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<p>The XA support is encapsulated in the resource manager switch
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db_xa_switch, which defines the following functions:</p>
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<div class="itemizedlist">
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<ul type="disc">
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<li><span class="emphasis"><em>__db_xa_close.</em></span> Close the resource manager.</li>
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<li><span class="emphasis"><em>__db_xa_commit. </em></span> Commit the specified transaction.</li>
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<li><span class="emphasis"><em>__db_xa_complete.</em></span> Wait for asynchronous operations to complete.</li>
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<li><span class="emphasis"><em>__db_xa_end. </em></span> Disassociate the application from a transaction.</li>
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<li><span class="emphasis"><em>__db_xa_forget.</em></span> Forget about a transaction that was heuristically completed. (Berkeley DB does not support heuristic completion.)</li>
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<li><span class="emphasis"><em>__db_xa_open.</em></span> Open the resource manager.</li>
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<li><span class="emphasis"><em>__db_xa_prepare.</em></span> Prepare the specified transaction.</li>
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<li><span class="emphasis"><em>__db_xa_recover.</em></span> Return a list of prepared, but not yet committed transactions.</li>
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<li><span class="emphasis"><em>__db_xa_rollback.</em></span> Abort the specified transaction.</li>
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<li><span class="emphasis"><em>__db_xa_start.</em></span> Associate the application with a transaction.</li>
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</ul>
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</div>
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<p>The Berkeley DB resource manager does not support the following optional
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XA features:</p>
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<div class="itemizedlist">
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<ul type="disc">
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<li>Asynchronous operations</li>
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<li>Transaction migration</li>
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</ul>
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</div>
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<p>The Tuxedo System is available from <a class="ulink" href="http://www.oracle.com/us/bea/index.html" target="_top">Oracle BEA Systems</a>.</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="xa_build.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="xa.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="xa_xa_config.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">Building a Global Transaction Manager </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"> Configuring Berkeley DB with the Tuxedo System</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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