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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