code: @Override
      public Object find(Class entityClass, Object key)
      {
  
          EntityMetadata entityMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClass);
  
          Object e = r.db(entityMetadata.getSchema()).table(entityMetadata.getTableName()).get(key).run(connection,
                  entityClass);
  
          PropertyAccessorHelper.setId(e, entityMetadata, key);
  
          return e;
      }
docs: /*
  (non-Javadoc)
  
  @see com.impetus.kundera.client.Client#find(java.lang.Class,
  java.lang.Object)