Lazy loading

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Lazy loading

what is lazy loading ? when we set lazy = proxy what it does

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January 12, 2011 at 1:26 PM

Hi Friend,

In Lazy Loading, Hibernate engine loads only those objects that we are querying for and doesn't fetch associated entities.

In Hibernate, u can make lazy=true or lazy=false. Lazy initialization comes into play only when u deal with one to many or many to many relationships in database.

An attribute 'lazy' can be used to let Hibernate know if the associated entity or collection has to be lazily loaded or fetching previously.

Lazy initialization improves performance by delaying the fetch from the database until the returned object is actually queried for the data.

The lazy="proxy" means that NHibernate will lazily initialize instances of your class; When NHibernate retrieves an instance of your class from the database, it will - in this case - not return a 'real' instance of your class, but it will rather give you a proxy.

Thanks

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