EntityManager: Implement method to search by uuid including removed entities

Signed-off-by: Rohit Yadav <bhaisaab@apache.org>

api/src/com/cloud/dao/EntityManager.java

@@ -47,6 +47,15 @@ public interface EntityManager {
      */
     public <T> T findByUuid(Class<T> entityType, String uuid);
 
+    /**
+     * Finds a unique entity by uuid string
+     * @param <T> entity class
+     * @param entityType type of entity you're looking for.
+     * @param uuid the unique id
+     * @return T if found, null if not.
+     */
+    public <T> T findByUuidIncludingRemoved(Class<T> entityType, String uuid);
+
     /**
      * Finds an entity by external id which is always String
      * @param <T> entity class

server/src/com/cloud/dao/EntityManagerImpl.java

@@ -51,6 +51,13 @@ public class EntityManagerImpl implements EntityManager, Manager {
         return dao.findByUuid(uuid);
     }
 
+    @Override
+    public <T> T findByUuidIncludingRemoved(Class<T> entityType, String uuid) {
+        // Finds and returns a unique VO using uuid, null if entity not found in db
+        GenericDao<? extends T, String> dao = (GenericDao<? extends T, String>)GenericDaoBase.getDao(entityType);
+        return dao.findByUuidIncludingRemoved(uuid);
+    }
+
     @Override
     public <T> T findByXId(Class<T> entityType, String xid) {
         return null;