Generally, it does this by maintaining awareness or state of the mapped entity class instances it is responsible for by keeping a first-level cache of instances, valid for a single thread.
通常，它通过保留对单个线程有效的一级缓存实例，维护它负责的映射实体类实例的可识别性或状态，从而做到这一点。
Non-zero = The decimal NoteID in the cache of item is being mapped.
非零 =映射项目缓存中的十进制NoteID。
When an item is being mapped, then it is set to the decimal number representing the NoteID of the item in the local cache.
映射项目之后，将其设置为表示本地缓存中项目的NoteID的十进制数。
Database information is mapped using a JCache implementation, cached in an ActiveSpace clustered cache and distributed to the application through an object relational mapping.
数据库信息使用JCache实现进行映射，缓存在ActiveSpace的集群缓存中，并通过对象关系映射提供给应用程序。
Database information is mapped using a JCache implementation, cached in an ActiveSpace clustered cache and distributed to the application through an object relational mapping.
数据库信息使用JCache实现进行映射，缓存在ActiveSpace的集群缓存中，并通过对象关系映射提供给应用程序。
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