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</o:shapelayout></xml><![endif]--></head><body lang=HU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Vagyis konkrétan ezt kell csinálni:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'>lock</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white;mso-fareast-language:EN-US'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'>table</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white;mso-fareast-language:EN-US'> szemafor </span><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'>in</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white;mso-fareast-language:EN-US'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'>exclusive</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white;mso-fareast-language:EN-US'> </span><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'>mode;</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white;mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white;mso-fareast-language:EN-US'>update table_a …;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white;mso-fareast-language:EN-US'>insert into table_b …;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white;mso-fareast-language:EN-US'>…<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'>commit;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'>Jelöljetek ki egy táblát (a példában “szemafor”), de lehet máshogy is…<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:Courier;color:blue;background:white;mso-highlight:white;mso-fareast-language:EN-US'>Joe</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white;mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Vig, Balázs [mailto:balazs.vig@datasolutions.hu] <br><b>Sent:</b> Friday, September 14, 2012 12:05 PM<br><b>To:</b> Java lista<br><b>Subject:</b> [Javalist] Adatbázis lock<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Sziasztok!<br><br>Van egy Hibernate alapú kliensem, ami több példányban is futhat. A kliens feladata, hogy az adatbázis objektumokon műveleteket végezzen.<br>Hogyan lehet azt garantálni, hogy egy objektummal csak az egyik kliens foglalkozhasson: ha az egyik már elkezdett dolgozni rajta, akkor másik már ne tudjon.<br><br>Támogatja-e ezt valahogy a hibernate, vagy a jdbc? (eddig nem találtam erre semmit). Vagy nekem kell valami mókolnom az adatbázisban?<br clear=all><br>Üdv:<br><b>Vig Balázs<br><br></b><o:p></o:p></p></div></body></html>