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https://issues.apache.org/jira/browse/WICKET-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Vaynberg resolved WICKET-2440.
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Resolution: Won't Fix
Assignee: Igor Vaynberg
this is not a good thing to have in core as it leads to extremely bad
practices. the use of a strategy like this can very easily lead to n+1 queries
when dealing with database-driven dataviews.
> ReuseIfModelObjectsEqualStrategy - Reuse Strategy for repeaters based on
> model objects
> --------------------------------------------------------------------------------------
>
> Key: WICKET-2440
> URL: https://issues.apache.org/jira/browse/WICKET-2440
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Environment: generic
> Reporter: Dmitry Zatselyapin
> Assignee: Igor Vaynberg
> Priority: Minor
> Attachments: ReuseIfModelObjectsEqualStrategy.java
>
>
> Add new reuse strategy that allows reuse models if model objects have not
> changed. The existing ReuseIfModelsEqualStrategy can also be used to
> accomplish this, you must override the model's equals/hashcode for proper
> implementation. Using ReuseIfModelObjectsEqualStrategy will require provide
> equals/hashcode methods only for model objects. Models themselves do not
> have to be changed. There are only tiny changes required to the
> ReuseIfModelsEqualStrategy to create this new strategy
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