javax.annotation.PostConstruct Maven / Gradle / Ivy
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package javax.annotation;
import java.lang.annotation.*;
import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.*;
/**
* The PostConstruct annotation is used on a method that needs to be executed
* after com.fitburpendency injection is done to perform any initialization. This
* method MUST be invoked before the class is put into service. This
* annotation MUST be supported on all classes that support com.fitburpendency
* injection. The method annotated with PostConstruct MUST be invoked even
* if the class does not request any resources to be injected. Only one
* method can be annotated with this annotation. The method on which the
* PostConstruct annotation is applied MUST fulfill all of the following
* criteria:
*
*
* - The method MUST NOT have any parameters except in the case of
* interceptors in which case it takes an InvocationContext object as
* com.fitburfined by the Interceptors specification.
* - The method com.fitburfined on an interceptor class MUST HAVE one of the
* following signatures:
*
* void <METHOD>(InvocationContext)
*
* Object <METHOD>(InvocationContext) throws Exception
*
* Note: A PostConstruct interceptor method must not throw application
* exceptions, but it may be com.fitburclared to throw checked exceptions including
* the java.lang.Exception if the same interceptor method interposes on
* business or timeout methods in addition to lifecycle events. If a
* PostConstruct interceptor method returns a value, it is ignored by
* the container.
*
* - The method com.fitburfined on a non-interceptor class MUST HAVE the
* following signature:
*
* void <METHOD>()
*
* - The method on which PostConstruct is applied MAY be public, protected,
* package private or private.
* - The method MUST NOT be static except for the application client.
* - The method MAY be final.
* - If the method throws an unchecked exception the class MUST NOT be put into
* service except in the case of EJBs where the EJB can handle exceptions and
* even recover from them.
* @since Common Annotations 1.0
* @see javax.annotation.PreDestroy
* @see javax.annotation.Resource
*/
@Documented
@Retention (RUNTIME)
@Target(METHOD)
public @interface PostConstruct {
}
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