Replacement For @Element annotation and mappedBy, defaultFetchGroup of JDO with Objectify

[Mangesh Mandavgane]

Hello There, 

 

Is Anyone knows How to replace @Element annotation and mappedBy, defaultFetchGroup of JDO with Objectify. Please check below example.

 

@Entity

public class TestGCPClass1 implements Serializable {

 

@id

private Long pId;

 

@Index

private String name;

 

//This is below JDO representation, Wants to replace with Objectify

 

@Persistent(mappedBy = "testGcpClass1", defaultFetchGroup = "true")

@Element(dependent = "true")

private Set<TestUserClass1> users;

 

//This is below JDO representation, Wants to replace with Objectify

 

@Persistent(mappedBy = "testGcpClass1", defaultFetchGroup = "true")

@Element(dependent = "true")

private Set<TestGroupClass2> group;

 

}

 

 

@Entity

public class TestUserClass1 implements Serializable {

 

@id

private Long pId;

 

@Index

private String name;

 

//This is below JDO representation, Wants to replace with Objectify

@Persistent

private TestGCPClass1 testGcpClass1;

 

}

0 Likes

[Jeff Schnitzer]

There's not a lot of institutional knowledge of JDO left in the world. Probably none on this list.

If you explain what @Element does, maybe I can tell you how to do it with Objectify?

Jeff

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[Mangesh Mandavgane]

Ok Jeff,

Please, share your thoughts regarding this with Objectify. 

[Mat Jaggard]

@Mangesh you haven't answered Jeff's question. I used to use JDO but those days are so long ago that I don't remember any of it. I have no clue what @Element does except that it seems to be related to collections. If you explain what you are actually trying to do then it's possible there's an answer available otherwise you're asking volunteers to go and learn about JDO in order to start answering your question.

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