A persistent closureofa managed root entity x is defined as the set of managed entities C(x) ={e}, where e is reachable from x directly or indirectly via a persistent relationship.
管理根实体 x 的一个持久化闭包被定义为一个管理实体集 C(x) ={e},其中 e 可以直接或间接通过一个持久化关系从 x 访问。
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However, we can set up aclosure at the beginning of the function to keep the string from having to be passed on each call.
Closure Tools is asetof utilities comprising Compiler, Library and Templates, used internally by Google for GMail, GDocs and Maps, and open sourced in 2009.