initial add of EbeanORM server based on v2.8.1

src/main/java/com/avaje/ebeaninternal/server/cache/CachedBeanDataUpdate.java

@@ -0,0 +1,49 @@
+package com.avaje.ebeaninternal.server.cache;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import com.avaje.ebeaninternal.server.core.PersistRequestBean;
+import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
+import com.avaje.ebeaninternal.server.deploy.BeanProperty;
+
+public class CachedBeanDataUpdate {
+
+    public static CachedBeanData update(BeanDescriptor<?> desc, CachedBeanData data, PersistRequestBean<?> updateRequest){
+
+    	
+    	Set<String> loadedProperties = data.getLoadedProperties();
+    	Object[] copyOfData = data.copyData();
+    	
+    	Object updateBean = updateRequest.getBean();
+    	Set<String> updatedProperties = updateRequest.getUpdatedProperties();
+    	
+    	int naturalKeyUpdate = -1;
+    	boolean mergeProperties = false;
+    	BeanProperty[] props = desc.propertiesNonMany();
+    	for (int i = 0; i < props.length; i++) {
+	        if (updatedProperties.contains(props[i].getName())){
+	        	if (props[i].isNaturalKey()){
+	        		naturalKeyUpdate = i;
+	        	}
+	        	copyOfData[i] = props[i].getCacheDataValue(updateBean);
+	        	if (loadedProperties != null && !mergeProperties && !loadedProperties.contains(props[i].getName())){
+	        		mergeProperties = true;
+	        	}
+	        }
+        }
+    	
+    	if (mergeProperties){
+    		HashSet<String> mergeProps = new HashSet<String>();
+    		mergeProps.addAll(loadedProperties);
+    		mergeProps.addAll(updatedProperties);
+    		loadedProperties = mergeProps;
+    	}
+    	
+    	return new CachedBeanData(null, loadedProperties, copyOfData, naturalKeyUpdate);
+        
+    }
+    
+    
+
+}