23.4 About CDI Managed Beans
A managed bean is implemented by a Java class, which is called its bean class. A top-level Java class is a managed bean if it is defined to be a managed bean by any other Java EE technology specification, such as the JavaServer Faces technology specification, or if it meets all the following conditions.
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It is not a nonstatic inner class.
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It is a concrete class or is annotated
@Decorator
. -
It is not annotated with an EJB component-defining annotation or declared as an EJB bean class in
ejb-jar.xml
. -
It has an appropriate constructor. That is, one of the following is the case.
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The class has a constructor with no parameters.
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The class declares a constructor annotated
@Inject
.
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No special declaration, such as an annotation, is required to define a managed bean.