Package tigase.kernel.beans
Annotation Type Bean
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@Target(TYPE) @Retention(RUNTIME) @Inherited @Documented public @interface Bean
Defines name of bean.This annotation is not required, but each bean must be named! Instead of using annotation, name of bean may be defined during registration.
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Optional Element Summary
Optional Elements Modifier and Type Optional Element Description boolean
exportable
Is bean exportable? *
Exportable beans are available not only in the context of a kernel in which they are registered but are available also to all beans registered in subkernels.java.lang.Class
parent
Class of a parent bean.java.lang.Class[]
parents
Classes of parent beans.java.lang.Class<? extends BeanSelector>[]
selectors
Automatic registration selectors.
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active
boolean active
Is active by default. *
true
if annotated bean (if registered) should be active (automatically loaded if required);false
if annotated bean will not be automatically loaded, even if it will be registered. It will require manual activation in the configuration.
- Returns:
true
if bean should be automatically loaded
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parent
java.lang.Class parent
Class of a parent bean. *
Returns parent class for which this bean should always be registered. *
Following cases are supported:Object
if bean should never be automatically registeredKernel
if bean should be automatically registered in the main/root kernel- class implementing
RegistrarBean
if bean should be loaded automatically for that class
- Returns:
- parent class for which this class should be automatically registered
- Default:
- java.lang.Object.class
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parents
java.lang.Class[] parents
Classes of parent beans. *
In some cases same beans should be automatically registered for more than one class. This method allows to return more than one class.- Returns:
- array of classes for which this class should be automatically registered
- See Also:
parent()
- Default:
- {}
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selectors
java.lang.Class<? extends BeanSelector>[] selectors
Automatic registration selectors. *
In some cases it is required/useful to decide if beans should be registered automatically depending on more global configuration option. This method returns array ofBeanSelector
classes which provide a logic deciding if bean should be automatically loaded or not. *
Will only work ifparent()
orparents()
returns correct values.- Returns:
- array of classes deciding if bean should be automatically loaded.
- Default:
- {}
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