code: @Override
      protected void delete(Object entity, Object pKey)
      {
          EntityMetadata entityMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entity.getClass());
          r.db(entityMetadata.getSchema()).table(entityMetadata.getTableName()).get(pKey).delete().run(connection);
      }
docs: /*
  (non-Javadoc)
  
  @see com.impetus.kundera.client.ClientBase#delete(java.lang.Object,
  java.lang.Object)