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An "Entity Bean" is a type of Enterprise JavaBean, a server-side Java EE component, that represents persistent data maintained in a database. An entity bean can manage its own persistence (Bean managed persistence) or can delegate this function to its EJB Container (Container managed persistence). An entity bean is identified by a primary key.
Jakarta Enterprise Beans 3.2, as a part of Jakarta EE 8, and despite still using "EJB" abbreviation, this set of APIs has been officially renamed to "Jakarta Enterprise Beans" by the Eclipse Foundation so as not to tread on the Oracle "Java" trademark. EJB 3.2, final release (2013-05-28) JSR 345. Enterprise JavaBeans 3.2 was a relatively minor ...
EJB QL is a database query language similar to SQL. The used queries are somewhat different from relational SQL, as it uses a so-called "abstract schema" of the enterprise beans instead of the relational model. In other words, EJB QL queries do not use tables and their components, but enterprise beans, their persistent state, and their ...
An Enterprise Java Bean module has a .jar extension, and contains in its own META-INF directory descriptors describing the persistent classes deployed. Deployed entity beans become visible to other components and, if remotely exported, to remote clients. Message Beans and Session Beans are available for remote access.
The NetBeans IDE Bundle for Web & Java EE [17] provides complete tools for all the latest Java EE 6 standards, including the new Java EE 6 Web Profile, Enterprise Java Beans (EJBs), servlets, Java Persistence API, web services, and annotations. NetBeans also supports the JSF 2.0 (Facelets), JavaServer Pages (JSP), Hibernate, Spring, and Struts ...
Service Implementation Bean; Jakarta Servlet; SMF 120.9; SORCER; Spring Boot; Spring Framework; Spring Integration; Spring Roo; Spring Security; Stripes (framework) Sun Java System Communications Express; Sun Java System Portal Server; Sun Web Developer Pack
Persistence is the ability to save the current state of a Bean, including the values of a Bean's properties and instance variables, to nonvolatile storage and to retrieve them at a later time. Methods A Bean should use accessor methods to encapsulate the properties. A Bean can provide other methods for business logic not related to the access ...
Spring Roo is an open source software tool that uses convention-over-configuration principles to provide rapid application development of Java-based enterprise software Spring Security: Authentication and access-control framework TestNG: JUnit-inspired test framework with extra functionality. Thymeleaf: Java XML/XHTML/HTML5 template engine that ...