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Experimental Feature - Freeze and detach beans (and attach) #3317

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Experimental Feature - Freeze and detach beans (and attach) #3317

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Commits on Jan 30, 2024

  1. Experimental Feature - Freeze and detach beans (and attach) 

    - Frozen beans as ReadOnly + Unmodifiable collections
- Add Transaction.freezeAndDetach() returning FrozenBeans
- Add Transaction.attach( FrozenBeans )

- InterceptReadOnly now supports lazy loading
- Query.setReadOnly(true) now uses InterceptReadOnly [when it used to ALSO require Query.setDisableLazyLoading(true)}
- Add EntityBeanIntercept.errorOnLazyLoad (such that lazy loading on frozen bean is an error)

- BeanList, BeanSet, BeanMap are now freezable
- ModifyAwareList Set and Map are now freezable
    @rbygrave
    rbygrave committed Jan 30, 2024
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  2. ToMany collections that are not loaded on freeze are marked unloaded 

    They are marked as unloaded which means accessing the collection will
throw a PersistenceException.

e.g. customer.getOrders() will throw PersistenceException rather than
return an empty list.
    @rbygrave
    rbygrave committed Jan 30, 2024
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