Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/backend/SessionFactoryProvider.java @ 2337:52d712cd2384
Added code and a system property 'flys.backend.enablejmx=true' to enable JMX support for hibernate.
flys-backend/trunk@2808 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 22 Sep 2011 11:20:15 +0000 |
| parents | 774dff3ee546 |
| children | f834b411ca57 |
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| 2336:60c722dc0304 | 2337:52d712cd2384 |
|---|---|
| 1 package de.intevation.flys.backend; | 1 package de.intevation.flys.backend; |
| 2 | 2 |
| 3 import de.intevation.artifacts.common.utils.Config; | 3 import de.intevation.artifacts.common.utils.Config; |
| 4 | 4 |
| 5 import java.lang.management.ManagementFactory; | |
| 5 import java.util.Properties; | 6 import java.util.Properties; |
| 6 | 7 |
| 8 import javax.management.InstanceAlreadyExistsException; | |
| 9 import javax.management.MalformedObjectNameException; | |
| 10 import javax.management.MBeanRegistrationException; | |
| 11 import javax.management.MBeanServer; | |
| 12 import javax.management.NotCompliantMBeanException; | |
| 13 import javax.management.ObjectName; | |
| 14 | |
| 7 import org.hibernate.SessionFactory; | 15 import org.hibernate.SessionFactory; |
| 16 | |
| 17 import org.hibernate.jmx.StatisticsService; | |
| 8 | 18 |
| 9 import org.hibernate.cfg.Configuration; | 19 import org.hibernate.cfg.Configuration; |
| 10 import org.hibernate.cfg.Environment; | 20 import org.hibernate.cfg.Environment; |
| 11 | 21 |
| 12 import de.intevation.flys.model.Annotation; | 22 import de.intevation.flys.model.Annotation; |
| 84 public static final String DEFAULT_URL = | 94 public static final String DEFAULT_URL = |
| 85 System.getProperty( | 95 System.getProperty( |
| 86 "flys.backend.url", | 96 "flys.backend.url", |
| 87 "jdbc:postgresql://localhost:5432/flys"); | 97 "jdbc:postgresql://localhost:5432/flys"); |
| 88 | 98 |
| 99 public static final boolean ENABLE_JMX = | |
| 100 Boolean.getBoolean("flys.backend.enablejmx"); | |
| 101 | |
| 89 private static SessionFactory sessionFactory; | 102 private static SessionFactory sessionFactory; |
| 90 | 103 |
| 91 private SessionFactoryProvider() { | 104 private SessionFactoryProvider() { |
| 92 } | 105 } |
| 93 | 106 |
| 127 String url | 140 String url |
| 128 ) { | 141 ) { |
| 129 Configuration cfg = createConfiguration( | 142 Configuration cfg = createConfiguration( |
| 130 user, password, dialect, driver, url); | 143 user, password, dialect, driver, url); |
| 131 | 144 |
| 132 return cfg.buildSessionFactory(); | 145 SessionFactory factory = cfg.buildSessionFactory(); |
| 133 } | 146 |
| 147 if (ENABLE_JMX) { | |
| 148 registerAsMBean(factory); | |
| 149 } | |
| 150 else { | |
| 151 log.info("No JMX support for hibernate."); | |
| 152 } | |
| 153 | |
| 154 return factory; | |
| 155 } | |
| 156 | |
| 157 | |
| 158 public static void registerAsMBean(SessionFactory factory) { | |
| 159 | |
| 160 StatisticsService statsMBean = new StatisticsService(); | |
| 161 statsMBean.setSessionFactory(factory); | |
| 162 statsMBean.setStatisticsEnabled(true); | |
| 163 | |
| 164 try { | |
| 165 MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); | |
| 166 mbs.registerMBean( | |
| 167 statsMBean, | |
| 168 new ObjectName("Hibernate:application=Statistics")); | |
| 169 | |
| 170 log.info("Enabled JMX support for hibernate."); | |
| 171 } | |
| 172 catch (MalformedObjectNameException mone) { | |
| 173 log.warn(mone, mone); | |
| 174 } | |
| 175 catch (InstanceAlreadyExistsException iaee) { | |
| 176 log.warn(iaee, iaee); | |
| 177 } | |
| 178 catch (MBeanRegistrationException mbre) { | |
| 179 log.warn(mbre, mbre); | |
| 180 } | |
| 181 catch (NotCompliantMBeanException ncmbe) { | |
| 182 log.warn(ncmbe, ncmbe); | |
| 183 } | |
| 184 } | |
| 185 | |
| 134 | 186 |
| 135 public static Configuration createConfiguration() { | 187 public static Configuration createConfiguration() { |
| 136 return createConfiguration( | 188 return createConfiguration( |
| 137 DEFAULT_USER, | 189 DEFAULT_USER, |
| 138 DEFAULT_PASSWORD, | 190 DEFAULT_PASSWORD, |