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The difference between JSF ViewScope and Myfaces CODI ViewAccessScope  

2013-11-07 20:30:07|  分类: jsf2.0 |  标签: |举报 |字号 订阅

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ViewScope: The bean with the scope created when a none ajax request arrived and destroyed when another none ajax request arrived, you can do a lot of ajax-request in the life cycle of this type of bean. So we can say, the bean is bound to the none ajax request.

1. none ajax request---->/index.jsf     Bean created 
2. none ajax request---->/index.jsf   Bean destroyed  and a new Bean created
3. ajax requests ----->/index.jsf  the new Bean alive
4. none ajax request----->/other.jsf the new Bean destoryed


ViewAccessScope: The bean with the scope  created when a none ajax request arrived and destroyed when another none ajax request arrived and this request must be request another page. So when the bean has been created, you do a  lot of requests(no matter ajax or not) at the same page, and the bean created only once, util your request become another page. So we can say the bean is bound to the viewId, when viewId changed the bean destroyed.

1. none ajax request---->/index.jsf     Bean created 
2. none ajax request---->/index.jsf   Bean alive    
3. ajax requests ----->/index.jsf  Bean alive
4. none ajax request----->/other.jsf Bean destoryed

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