ozeigermann 2004/06/18 08:12:33
Added: transaction/xdocs wrappers-comparision.xml
Log:
Added comparision of map wrappers
Revision Changes Path
1.1
jakarta-commons-sandbox/transaction/xdocs/wrappers-comparision.xml
Index: wrappers-comparision.xml
===================================================================
<?xml version="1.0"?>
<document>
<properties>
<title>Comparision of transactional map wrappers</title>
<author email="[EMAIL PROTECTED]">Commons Documentation Team</author>
</properties>
<body>
<section name="Comparision of transactional map wrappers">
<p>
</p>
<table summary="" border="1" frame="HSIDES" rules="GROUPS" width="100%"
cellpadding="3" cellspacing="0" dir="ltr" title="">
<thead>
<tr>
<th align="left" valign="bottom" scope="col"></th>
<th align="left" valign="bottom" scope="col"> <font face="Arial, Helvetica,
sans-serif"><strong>TransactionalMapWrapper</strong></font></th>
<th align="left" valign="bottom" scope="col"> <font face="Arial, Helvetica,
sans-serif"><strong>OptimisticMapWrapper</strong></font></th>
<th align="left" valign="bottom" scope="col"> <font face="Arial, Helvetica,
sans-serif"><strong>PessimisticMapWrapper</strong></font></th>
</tr>
</thead>
<tbody>
<tr align="left" valign="top">
<td>
<p>Dirty write</p>
</td>
<td>
<p>Possible</p>
</td>
<td>
<p>Not possible</p>
</td>
<td>
<p>Not possible</p>
</td>
</tr>
<tr align="left" valign="top">
<td>
<p>Dirty read</p>
</td>
<td>
<p>Not possible</p>
</td>
<td>
<p>Not possible</p>
</td>
<td>
<p>Not possible</p>
</td>
</tr>
<tr align="left" valign="top">
<td>
<p>Nonrepeatable read</p>
</td>
<td>
<p>Possible</p>
</td>
<td>
<p>Not possible</p>
</td>
<td>
<p>Not possible</p>
</td>
</tr>
<tr align="left" valign="top">
<td>
<p>Phantoms</p>
</td>
<td>
<p>Possible</p>
</td>
<td>
<p>Not possible</p>
</td>
<td>
<p>Not possible</p>
</td>
</tr>
<tr align="left" valign="top">
<td>
<p>Readers block writers</p>
</td>
<td>
<p>No</p>
</td>
<td>
<p>No</p>
</td>
<td>
<p>Yes</p>
</td>
</tr>
<tr align="left" valign="top">
<td>
<p>Writers block readers</p>
</td>
<td>
<p>No</p>
</td>
<td>
<p>No</p>
</td>
<td>
<p>Yes</p>
</td>
</tr>
<tr align="left" valign="top">
<td>
<p>Writers block writers</p>
</td>
<td>
<p>No</p>
</td>
<td>
<p>No</p>
</td>
<td>
<p>Yes</p>
</td>
</tr>
<tr align="left" valign="top">
<td>
<p>May deadlock</p>
</td>
<td>
<p>No</p>
</td>
<td>
<p>No</p>
</td>
<td>
<p>Yes</p>
</td>
</tr>
<tr align="left" valign="top">
<td>
<p>Commit may fail</p>
</td>
<td>
<p>No</p>
</td>
<td>
<p>Yes</p>
</td>
<td>
<p>No</p>
</td>
</tr>
</tbody>
</table>
</section>
</body>
</document>
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