I need some help with a JDO query. I have the following Entities: recipe: @PersistenceCapable class Recipe{
Are you able to store a HashMap within an embedded class on App Engine? I have the following Class: @Persistent(serialized = \"true\")
I have a JDO query which filters on two properties of a \"Person\" entity, lets call them \"age\" and开发者_开发知识库 \"height\". I wish to order the results by the Persons \"score\". However, due to
I am using jdo and configuring the persistence manager with jdoconfig.xml However everywhere I find documentation about jdoconfig.xml it states that http://java.sun.com/xml/ns/jdo/jdoconfig 开发者_C百
I have a persistent class stored in a GAE datastore. I have removed one of the attributes from the class. The new records in this table show a value <none> for the removed attribute. But is there a
I had two entities One is DataBase and the Other id Digraph here is the code package com.g开发者_如何学JAVAoogle.GPtest.server;
We are using JDO in one of our projects. This has been running for quite a while and naturally we need to change the model a bit.
I have a entity in the appengine datastore called DataBase wh开发者_JAVA技巧ich contains some attributes or columns or what ever it is named in JDO,I want to select only some columns from that entity
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From GAE\'s documentation, I can read this: The entity\'s kind is derived from the simple name of the class (inner classes use the $ path without the package name).
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