EJB finders provide the ability to return a subset of entity beans based on conditions defined using container-managed persistent fields and relations.
EJB查询工具通过使用容器管理的持续字段和关系来返回在已知条件基础上建立的实体bean的子集。
Roles may contain a <cmr-field> , which is a special field added to the EJB in addition to the <cmp-field> , a container-managed field that is a regular persistent field of the EJB.
角色可能包含一个 <cmr-field> ，它是除
Roles may contain a <cmr-field> , which is a special field added to the EJB in addition to the <cmp-field> , a container-managed field that is a regular persistent field of the EJB.
角色可能包含一个 <cmr-field> ，它是除
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