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66 lines
3.1 KiB
HTML
<!--$Id: txn_abort.so,v 10.25 2000/12/31 19:26:21 bostic Exp $-->
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<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.-->
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<!--All rights reserved.-->
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<html>
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<head>
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<title>Berkeley DB: DbTxn.abort</title>
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<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit.">
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<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++">
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</head>
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<body bgcolor=white>
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<a name="2"><!--meow--></a>
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<table><tr valign=top>
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<td>
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<h1>DbTxn.abort</h1>
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</td>
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<td width="1%">
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<a href="../api_java/java_index.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a>
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</td></tr></table>
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<hr size=1 noshade>
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<tt>
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<h3><pre>
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import com.sleepycat.db.*;
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<p>
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public void abort()
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throws DbException;
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</pre></h3>
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<h1>Description</h1>
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<p>The DbTxn.abort method causes an abnormal termination of the
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transaction. The log is played backwards and any necessary recovery
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operations are initiated through the <b>recover</b> function specified
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to <a href="../api_java/env_open.html">DbEnv.open</a>. After the log processing is completed, all locks
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held by the transaction are released. As is the case for
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<a href="../api_java/txn_commit.html">DbTxn.commit</a>, applications that require strict two-phase locking
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should not explicitly release any locks.
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<p>In the case of nested transactions, aborting a parent transaction causes
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all children (unresolved or not) of the parent transaction to be aborted.
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<p>Once the DbTxn.abort method returns, the <a href="../api_java/txn_class.html">DbTxn</a> handle may not
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be accessed again.
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<p>The DbTxn.abort method throws an exception that encapsulates a non-zero error value on
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failure.
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<h1>Errors</h1>
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<p>The DbTxn.abort method may fail and throw an exception for errors specified for other Berkeley DB and C library or system methods.
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If a catastrophic error has occurred, the DbTxn.abort method may fail and throw
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a <a href="../api_java/runrec_class.html">DbRunRecoveryException</a>, in which case all subsequent Berkeley DB calls
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will fail in the same way.
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<h3>Classes</h3>
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<a href="../api_java/dbenv_class.html">DbEnv</a>, <a href="../api_java/txn_class.html">DbTxn</a>
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<h1>See Also</h1>
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<a href="../api_java/env_set_tx_max.html">DbEnv.set_tx_max</a>,
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<a href="../api_java/env_set_tx_timestamp.html">DbEnv.set_tx_timestamp</a>,
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<a href="../api_java/txn_abort.html">DbTxn.abort</a>,
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<a href="../api_java/txn_begin.html">DbEnv.txn_begin</a>,
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<a href="../api_java/txn_checkpoint.html">DbEnv.txn_checkpoint</a>,
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<a href="../api_java/txn_commit.html">DbTxn.commit</a>,
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<a href="../api_java/txn_id.html">DbTxn.id</a>,
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<a href="../api_java/txn_prepare.html">DbTxn.prepare</a>
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and
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<a href="../api_java/txn_stat.html">DbEnv.txn_stat</a>.
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</tt>
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<table><tr><td><br></td><td width="1%">
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<a href="../api_java/java_index.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a>
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</td></tr></table>
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<p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font>
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</body>
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</html>
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