DatasourceLogin
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Re: DatasourceLogin
by Gustav Trede-2
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There might be several ways to override settings. I do it with a sessionCustomizer. in persistence.xml : <property name="eclipselink.session.customizer" value="aurora.MySessionCustomizer"/> then an ordinary java class: public class MySessionCustomizer implements SessionCustomizer{ public static volatile String jdbcpwd; public static volatile String dbfilename; public static volatile Integer dbinternalcacheKbyte = 32768; @Override public void customize(Session session) throws Exception { session.getLogin().setPassword(jdbcpwd); session.getLogin().setShouldTrimStrings(false); session.getLogin().setQueryRetryAttemptCount(0); session.getLogin().setConnectionString("jdbc:h2:~/"+dbfilename+";CIPHER=AES;DB_CLOSE_DELAY=-1;CACHE_SIZE="+dbinternalcacheKbyte+";MODE=HSQLDB"); } } Janda Martin skrev: > Hello, > > I have a problem. I'm trying to set JDBC connection property. I found that I need to set property with DatabaseLogin.setProperty(<key>, <value>). > Bud I don't know how to use this my DatabaseLogin object. > > I use EclipseLink 1.0 under JavaSE > > Current version > Map<String, Object> params = new HashMap<String, Object>(); > params.put("eclipselink.jdbc.url", getServerJDBCURL()); > params.put("eclipselink.jdbc.driver", getServerJDBCDriver()); > params.put("eclipselink.jdbc.user", getServerJDBCUser()); > params.put("eclipselink.jdbc.password", getServerJDBCPassword()); > > EntityManagerFactory factory = Persistence.createEntityManagerFactory("pu-test, params); > EntityManager entityManager = factory.createEntityManager(); > > > Java SE replacement with: > > DatabaseLogin databaseLogin = new DatabaseLogin(); > //... set connection > > databaseLogin.setProperty("key", "value"); > > > What I need and I don't know how: > *) use settings from persistence unit from persistence.xml > *) replace jdbc connection with my values > *) set JDBC connection custom property (eg. "encoding" = "UTF-8") > *) get EntityManagerFactory and EntityManager. > > Thank you very much for your help. > > Martin > _______________________________________________ > eclipselink-users mailing list > eclipselink-users@... > https://dev.eclipse.org/mailman/listinfo/eclipselink-users > > _______________________________________________ eclipselink-users mailing list eclipselink-users@... https://dev.eclipse.org/mailman/listinfo/eclipselink-users |
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Re: DatasourceLogin
by Janda Martin
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It works!
Thank you very much. Martin ----- Original Message ----- From: "Gustav Trede" <gustav.trede_wsdevel@...> To: "EclipseLink User Discussions" <eclipselink-users@...> Sent: Friday, August 8, 2008 8:46:12 PM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna Subject: Re: [eclipselink-users] DatasourceLogin There might be several ways to override settings. I do it with a sessionCustomizer. in persistence.xml : <property name="eclipselink.session.customizer" value="aurora.MySessionCustomizer"/> then an ordinary java class: public class MySessionCustomizer implements SessionCustomizer{ public static volatile String jdbcpwd; public static volatile String dbfilename; public static volatile Integer dbinternalcacheKbyte = 32768; @Override public void customize(Session session) throws Exception { session.getLogin().setPassword(jdbcpwd); session.getLogin().setShouldTrimStrings(false); session.getLogin().setQueryRetryAttemptCount(0); session.getLogin().setConnectionString("jdbc:h2:~/"+dbfilename+";CIPHER=AES;DB_CLOSE_DELAY=-1;CACHE_SIZE="+dbinternalcacheKbyte+";MODE=HSQLDB"); } } Janda Martin skrev: > Hello, > > I have a problem. I'm trying to set JDBC connection property. I found that I need to set property with DatabaseLogin.setProperty(<key>, <value>). > Bud I don't know how to use this my DatabaseLogin object. > > I use EclipseLink 1.0 under JavaSE > > Current version > Map<String, Object> params = new HashMap<String, Object>(); > params.put("eclipselink.jdbc.url", getServerJDBCURL()); > params.put("eclipselink.jdbc.driver", getServerJDBCDriver()); > params.put("eclipselink.jdbc.user", getServerJDBCUser()); > params.put("eclipselink.jdbc.password", getServerJDBCPassword()); > > EntityManagerFactory factory = Persistence.createEntityManagerFactory("pu-test, params); > EntityManager entityManager = factory.createEntityManager(); > > > Java SE replacement with: > > DatabaseLogin databaseLogin = new DatabaseLogin(); > //... set connection > > databaseLogin.setProperty("key", "value"); > > > What I need and I don't know how: > *) use settings from persistence unit from persistence.xml > *) replace jdbc connection with my values > *) set JDBC connection custom property (eg. "encoding" = "UTF-8") > *) get EntityManagerFactory and EntityManager. > > Thank you very much for your help. > > Martin > _______________________________________________ > eclipselink-users mailing list > eclipselink-users@... > https://dev.eclipse.org/mailman/listinfo/eclipselink-users > > _______________________________________________ eclipselink-users mailing list eclipselink-users@... https://dev.eclipse.org/mailman/listinfo/eclipselink-users _______________________________________________ eclipselink-users mailing list eclipselink-users@... https://dev.eclipse.org/mailman/listinfo/eclipselink-users |
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