WIP1

backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/configuration/DevConfig.groovy

@@ -162,10 +162,10 @@ class DevConfig {
         })
     }
 
-    @Profile('dev-ed-versioning')
+    /*@Profile('dev-ed-versioning')
     @Bean
     EntityDescriptorVersionService stubEntityDescriptorVersionService(EntityDescriptorService entityDescriptorService,
                                                                       EntityDescriptorRepository entityDescriptorRepository) {
         return EntityDescriptorVersionService.stubImpl(entityDescriptorService, entityDescriptorRepository)
-    }
+    }*/
 }

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/EntitiesVersioningConfiguration.java

@@ -1,15 +1,17 @@
 package edu.internet2.tier.shibboleth.admin.ui.configuration;
 
-import edu.internet2.tier.shibboleth.admin.ui.service.EntityDescriptorService;
 import edu.internet2.tier.shibboleth.admin.ui.service.EntityDescriptorVersionService;
+import edu.internet2.tier.shibboleth.admin.ui.service.EnversEntityDescriptorVersionService;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
+import javax.persistence.EntityManager;
+
 @Configuration
 public class EntitiesVersioningConfiguration {
 
-    //@Bean
-    EntityDescriptorVersionService entityDescriptorVersionService(EntityDescriptorService entityDescriptorService) {
-        //TODO create real impl when available
-        return null;
+    @Bean
+    EntityDescriptorVersionService entityDescriptorVersionService(EntityManager entityManager) {
+        return new EnversEntityDescriptorVersionService(entityManager);
     }
 }

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/EnversEntityDescriptorVersionService.java

@@ -0,0 +1,32 @@
+package edu.internet2.tier.shibboleth.admin.ui.service;
+
+import edu.internet2.tier.shibboleth.admin.ui.domain.frontend.EntityDescriptorRepresentation;
+import edu.internet2.tier.shibboleth.admin.ui.domain.versioning.Version;
+import org.hibernate.envers.AuditReader;
+import org.hibernate.envers.AuditReaderFactory;
+
+import javax.persistence.EntityManager;
+import java.util.List;
+
+/**
+ * Hibernate Envers based implementation of {@link EntityDescriptorVersionService}.
+ */
+public class EnversEntityDescriptorVersionService implements EntityDescriptorVersionService {
+
+    private AuditReader auditReader;
+
+    public EnversEntityDescriptorVersionService(EntityManager em) {
+
+        this.auditReader = AuditReaderFactory.get(em);
+    }
+
+    @Override
+    public List<Version> findVersionsForEntityDescriptor(String resourceId) {
+        return null;
+    }
+
+    @Override
+    public EntityDescriptorRepresentation findSpecificVersionOfEntityDescriptor(String resourceId, String versionId) {
+        return null;
+    }
+}