Hi Jonathan, I am sure that Bill Gates already tried to get the patent for this.
Off topic: What about using the java.rmi.server.UID? It generates a unique-ID as string. We have used this in several projects and it worked well for us. But I know that developers loves their PKs as long or int...... Just my 2 cents ----- Original Message ----- From: <Jonathan.O'[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, March 06, 2003 1:45 PM Subject: Re: [JBoss-user] HiLo key generator > Pardon my ignorance, but what is a HiLo key generator? Many years ago, we > used an incrementing number, but reversed the bits, so that the keys were > well distributed. Is this the same thing? Should I have patented the idea > :-) ? Too late I suppose! > Ciao, > Jonathan O'Connor > Development Manager > XCOM Dublin > Phone: +353 1 872 3305 > Mobile: +353 86 824 0736 > > > > > Alex Loubyansky <[EMAIL PROTECTED]> > Sent by: [EMAIL PROTECTED] > 05.03.2003 19:36 > Please respond to jboss-user > > > To: JBoss-User <[EMAIL PROTECTED]> > cc: > Subject: [JBoss-user] HiLo key generator > > > I just added HiLo key generator to HEAD. > Now, using entity-command configuration, it's possible to create > entities with either "known" or unknown primary keys using UUID or > HiLo key generators. > > Key generator is deployed with *-service.xml. Here is an excerpt from > hilo-service.xml: > <!-- > | HiLoKeyGeneratorFactory > --> > <mbean > code="org.jboss.ejb.plugins.keygenerator.hilo.HiLoKeyGeneratorFactory" > name="jboss:service=KeyGeneratorFactory,type=HiLo"> > > <attribute > name="FactoryName">java:/HiLoKeyGeneratorFactory</attribute> > <attribute name="DataSource">java:/DefaultDS</attribute> > <attribute > name="TransactionManager">java:/TransactionManager</attribute> > <attribute name="TableName">JBOSS_SEQUENCE</attribute> > <attribute name="ColumnName">ID</attribute> > <attribute name="ColumnSQLType">INTEGER</attribute> > <attribute name="BlockSize">100</attribute> > </mbean> > > If the table does not exist at deployment, it is created. > Is there a need to backport it to 3.2 and/or 3.0 versions? > > Thanks, > alex > > > > > ------------------------------------------------------- > This SF.net email is sponsored by: Etnus, makers of TotalView, The > debugger > for complex code. Debugging C/C++ programs can leave you feeling lost and > disoriented. TotalView can help you find your way. Available on major UNIX > > and Linux platforms. Try it free. www.etnus.com > _______________________________________________ > JBoss-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-user > > > > > > ------------------------------------------------------- > This SF.net email is sponsored by: Etnus, makers of TotalView, The debugger > for complex code. Debugging C/C++ programs can leave you feeling lost and > disoriented. TotalView can help you find your way. Available on major UNIX > and Linux platforms. Try it free. www.etnus.com > _______________________________________________ > JBoss-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-user __________________________________________________________________ Gesendet von Yahoo! Mail - http://mail.yahoo.de Bis zu 100 MB Speicher bei http://premiummail.yahoo.de ------------------------------------------------------- This SF.net email is sponsored by: Etnus, makers of TotalView, The debugger for complex code. Debugging C/C++ programs can leave you feeling lost and disoriented. TotalView can help you find your way. Available on major UNIX and Linux platforms. Try it free. www.etnus.com _______________________________________________ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
