Fix AR-499: Indexing of content pushed to the background for slow (>50ms) transformations.

- We can make this configurable if required
 - This mostly means that text formats will be indexed atomically while slower transformations will be pushed back


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3061 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/RoutingContentService.java

@@ -373,6 +373,18 @@ public class RoutingContentService implements ContentService
         // done
     }
     
+    /**
+     * @see org.alfresco.repo.content.transform.ContentTransformerRegistry
+     * @see org.alfresco.repo.content.transform.ContentTransformer
+     */
+    public ContentTransformer getTransformer(String sourceMimetype, String targetMimetype)
+    {
+        // look for a transformer
+        ContentTransformer transformer = transformerRegistry.getTransformer(sourceMimetype, targetMimetype);
+        // done
+        return transformer;
+    }
+    
     /**
      * @see org.alfresco.repo.content.transform.ContentTransformerRegistry
      * @see org.alfresco.repo.content.transform.ContentTransformer

source/java/org/alfresco/repo/content/RoutingContentServiceTest.java

@@ -25,6 +25,7 @@ import javax.transaction.UserTransaction;
 
 import org.alfresco.model.ContentModel;
 import org.alfresco.repo.content.filestore.FileContentWriter;
+import org.alfresco.repo.content.transform.ContentTransformer;
 import org.alfresco.repo.policy.JavaBehaviour;
 import org.alfresco.repo.policy.PolicyComponent;
 import org.alfresco.repo.security.authentication.AuthenticationComponent;
@@ -563,6 +564,8 @@ public class RoutingContentServiceTest extends BaseSpringTest
         txn.setRollbackOnly();
         
         writer.setMimetype("text/plain");
+        ContentTransformer transformer = contentService.getTransformer(reader.getMimetype(), writer.getMimetype());
+        assertNotNull("Expected a valid transformer", transformer);
         contentService.transform(reader, writer);
         // get the content from the writer
         reader = writer.getReader();