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[英]Hibernate Envers 4.3 migration to 5.0 - conditional envers auditing
[英]Conditional Envers Auditing
我有一個要求,我只想在狀態字段更改時審核記錄。 我遵循了文檔章節教程“ 15.8。條件審計”。
步驟1:關閉自動Envers事件偵聽器注冊。 我有以下內容:
<prop key="hibernate.listeners.envers.autoRegister">false</prop>
步驟2:為適當的事件偵聽器創建子類。
public class DeleteEnversListener extends EnversPostDeleteEventListenerImpl {
private static final long serialVersionUID = 5906427978349712224L;
private static Log log = LogFactory.getLog(DeleteEnversListener.class);
public DeleteEnversListener(AuditConfiguration enversConfiguration) {
super(enversConfiguration);
}
@Override
public void onPostDelete(PostDeleteEvent event) {
log.info("!!! just logging entity !! "+ event.getEntity());
super.onPostDelete(event);
}
}
以類似的方式,我有
步驟3:創建自己的org.hibernate.integrator.spi.Integrator
實現
public class CustomEnversIntegrator extends EnversIntegrator {
private static Log log = LogFactory.getLog(CustomEnversIntegrator.class);
@Override
public void integrate(Configuration configuration,
SessionFactoryImplementor sessionFactory,
SessionFactoryServiceRegistry serviceRegistry) {
super.integrate(configuration, sessionFactory, serviceRegistry);
final AuditConfiguration enversConfiguration = AuditConfiguration.getFor( configuration, serviceRegistry.getService( ClassLoaderService.class ) );
EventListenerRegistry listenerRegistry = serviceRegistry.getService( EventListenerRegistry.class );
System.out.println("Registering event listeners");
if (enversConfiguration.getEntCfg().hasAuditedEntities()) {
listenerRegistry.appendListeners(EventType.POST_INSERT, new InsertEnversListener(enversConfiguration));
listenerRegistry.appendListeners(EventType.POST_UPDATE, new UpdateEnversListener(enversConfiguration));
listenerRegistry.appendListeners(EventType.POST_DELETE, new DeleteEnversListener(enversConfiguration ) );
listenerRegistry.appendListeners(EventType.POST_COLLECTION_RECREATE, new CollectionRecreateEnversListener(enversConfiguration ) );
listenerRegistry.appendListeners(EventType.PRE_COLLECTION_REMOVE, new PreCollectionRemoveEnversListener(enversConfiguration ) );
listenerRegistry.appendListeners(EventType.PRE_COLLECTION_UPDATE, new PreCollectionUpdateEnversListener(enversConfiguration ) );
}
}
}
步驟4:要使Hibernate啟動時自動使用積分器,您將需要添加META-INF/services/org.hibernate.integrator.spi.Integrator
文件。 這是org.hibernate.integrator.spi.Integrator
文件的內容
com.hib.sample.listener.CustomEnversIntegrator
我不確定是否丟失任何東西。 我在Hibernate 4.1.8中使用JBOSS AS 7.0
這是用於條件Envers
審核的僅Spring解決方案,而沒有丑陋的META-INF
文件夾等。您需要的只是配置類中的Bean和CustomEnversEventListener
。
@Bean
public EventListenerRegistry listenerRegistry(EntityManagerFactory entityManagerFactory) {
ServiceRegistryImplementor serviceRegistry = entityManagerFactory.unwrap(SessionFactoryImpl.class).getServiceRegistry();
final EnversService enversService = serviceRegistry.getService(EnversService.class);
EventListenerRegistry listenerRegistry = serviceRegistry.getService(EventListenerRegistry.class);
listenerRegistry.setListeners(EventType.POST_UPDATE, new CustomEnversEventListener(enversService));
return listenerRegistry;
}
和
public class CustomEnversEventListener extends EnversPostUpdateEventListenerImpl {
CustomEnversEventListener(EnversService enversService) {
super(enversService);
}
@Override
public void onPostUpdate(PostUpdateEvent event) {
// custom conditional stuff
super.onPostUpdate(event);
}
}
如果您只想自定義一個偵聽器,即EnversPostUpdateEventListener,則無需禁用hibernate.listeners.envers.autoRegister
即可讓Envers注冊另一個偵聽器。
然后,您可以通過listenerRegistry.setListeners
覆蓋Envers
偵聽器,或者通過listenerRegistry.appendListeners
追加
嘗試將集成器文件放入:
sample.war\WEB-INF\classes\META-INF\services\...
也許...
就我而言,我使用Maven,並且必須在pom.xml
中包含以下行: <include>**/*.Integrator</include>
,因為該文件未打包在.ear
。
我的pom.xml
:
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
<includes>
<include>**/*.xml</include>
<include>**/*.Integrator</include>
</includes>
</resource>
...
在maven項目src / main / resources下的META-INF / services /文件夾中創建文件org.hibernate.integrator.spi.Integrator (包含我的自定義集成器的限定名稱)使我的自定義集成器代碼被調用。
@ComponentScan(basePackages = {“ com.example.demo”},lazyInit = true)
添加lazyInit = true,為我觸發了自定義積分器。
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