[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5030) BaseRegionAdapter shouldn't rely on optional Cache#toMap method

BaseRegionAdapter shouldn't rely on optional Cache#toMap method --------------------------------------------------------------- Key: HHH-5030 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5030 Project: Hibernate Core Issue Type: Bug Components: caching (L2) Affects Versions: 3.5.0-CR-2 Environment: hibernate-oscache 3.5.0.Beta-1 Reporter: Adrian Hummel Attachments: bugreport.zip Get an {{UnsupportedOperationException}} when checking the L2 cache if it contains an entity: {code} emf.getCache().contains(MyEntity.class, pk); {code} Result: {code} java.lang.UnsupportedOperationException at org.hibernate.cache.OSCache.toMap(OSCache.java:126) at org.hibernate.cache.impl.bridge.BaseRegionAdapter.contains(BaseRegionAdapter.java:62) at org.hibernate.impl.SessionFactoryImpl$CacheImpl.containsEntity(SessionFactoryImpl.java:967) at org.hibernate.impl.SessionFactoryImpl$CacheImpl.containsEntity(SessionFactoryImpl.java:962) at org.hibernate.ejb.EntityManagerFactoryImpl$JPACache.contains(EntityManagerFactoryImpl.java:164) ... {code} The {{Cache#toMap}} method is optional (according to Javadoc), thus, {{BaseRegionAdapter}} shouldn't rely on this method.