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通讯，日历和保存他人信息是每日工作和私人生活的一部分。 As a provider of an application development framework and of a 自由软件桌面系统，KDE采用了和PIM架构紧密集成的Akonadi来达到这个目的。
控制由一个名为akonadi_control的进程实现。It is the first to start and controls the life cycle of all components other than end user applications.
缓存由一个名为akonadiserver的进程实现。 It is the hub for the data flow, tracks changes and is responsible for system consistency, e.g. ensures unique identifiers, etc.
All communication with these two roles is implemented in the KDE client libraries for Akonadi and available to developers at different level of abstraction.
|Thinking about the server as a proxy-like service helps to avoid misinterpreting its task, e.g. it is caching data on behalf of its clients, not interpreting or permanently storing it.|
The agent category describes processes which perform their task without human interaction. This includes a special role also referred to as Akonadi Resources, agents which transport data between the cache and the data's actual persistant storage locations, e.g. files.
KDE客户端Akonadi类库给主体的开发以及资源子类的开发提供了强大的支持. KDE PIM项目自带了一系列相关实现.
The application category refers to the usual end user visible application, e.g. address book, calendar or e-mail program. Implementations of this category can sometimes be referred to as Akonadi Clients, since agents can be seen as part of the server-like functionality, both from the point of view of users as well as application developers.
KDE客户端Akonadi类库即提供了系列初级基于任务的API, 有提供了系列数据模型, 试图和标准行为.