SDO ,WorkMananger,CommonJ overview

最新推荐文章于 2022-06-12 14:31:01 发布

原创最新推荐文章于 2022-06-12 14:31:01 发布 · 127 阅读

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本文介绍ServiceDataObjects(SDO)，一种用于整合不同来源数据的统一编程模型，包括关系数据库、XML数据源等。此外，还介绍了WorkManager及Timer API，这两种技术简化了在应用服务器环境中并发执行任务及设置定时器的过程。

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Service Data Objects (SDO) -- Provides a unifying programming model for data from heterogeneous data sources, including relational databases, XML data sources, Web services and enterprise information systems. This specification will provide a simple programming model for data that supports best-practice application design patterns, and will be amenable to tools and frameworks that will provide even greater developer productivity. Work Manager for Application Servers -- Provides a simple API for application server-supported concurrent execution of work items. This enables J2EE-based applications (including Servlets and EJBs) to schedule work items for concurrent execution, which will provide greater throughput and increased response time for applications. Timer for Application Servers -- Provides a simple API for setting timers in an application server-supported fashion. This enables J2EE-based applications (including Servlets, EJBs and JCA Resource Adapters) to schedule future timer notifications and to receive timer notifications.