Dear All,
I have one question i may call that as confusion which means that iam not clear on this concept.
I came across an article which was explaining Lazy Loading of Objects.
Here it is.
Consider below is the object graph

-A
|
*---B
| |
| *---C
| |
| *---D
| |
| *---E
| |
| *---F
| |
| *---G
*---H
It said if i want to load object 'C', all Parent and Child need to be loaded.
ie.,

For me it makes sense if it is enough just to load all the required Children as the associated(child) object should not be null.
Why the parent object need to be loaded?

Can any one explain me this?

Also please let me know if this concept is applicable in general or specific to HIBERNATE?

Thanks.

Regards
Senthil Kumar Sekar

Hello Senthil,

B does not need to have a reference to its parent. If every object has an eager fetching reference to its parent and children, loading one object would cause everything to be loaded into memory.

So if B does not need to know its parent, don't reference it, then it wont be loaded. If it needs to know its parent you could make this reference lazy-loading, so it will only load A when you access the reference to A. But then you should also make the references from A to A's children lazy loading, so that loading A does not load everything into memory.

Regards,

Sven

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