jeffsheets · May 20, 2016 19:51 · May 20, 2016
diff --git a/HibernatePersistenceProviderResolver.java b/HibernatePersistenceProviderResolver.java
@@ -0,0 +1,38 @@
+import org.hibernate.jpa.HibernatePersistenceProvider;
+import org.springframework.context.annotation.Configuration;
+
+import javax.annotation.PostConstruct;
+import javax.persistence.spi.PersistenceProvider;
+import javax.persistence.spi.PersistenceProviderResolver;
+import javax.persistence.spi.PersistenceProviderResolverHolder;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * This allows to deploy upgraded JPA and Hibernate versions to Websphere 8.5.5.x servers.
+ * Has been used successfully with JPA 2.1 and Hibernate 4.3.11
+ *
+ * Mostly a copy of <a href="https://hibernate.atlassian.net/browse/JPA-4">https://hibernate.atlassian.net/browse/JPA-4</a>
+ * Changes made to deploy in a Spring environment.
+ *
+ * To use: add a @DependsOn("hibernatePersistenceProviderResolver") annotation on a DatabaseConfig class
+ */
+@Configuration
+public class HibernatePersistenceProviderResolver implements PersistenceProviderResolver {
+    private volatile PersistenceProvider persistenceProvider = new HibernatePersistenceProvider();
+
+    @Override
+    public List<PersistenceProvider> getPersistenceProviders() {
+        return Collections.singletonList(persistenceProvider);
+    }
+
+    @Override
+    public void clearCachedProviders() {
+        persistenceProvider = new HibernatePersistenceProvider();
+    }
+
+    @PostConstruct
+    public void register() {
+        PersistenceProviderResolverHolder.setPersistenceProviderResolver(new HibernatePersistenceProviderResolver());
+    }
+}