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82 lines
2.5 KiB
82 lines
2.5 KiB
/*
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* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package javax.annotation;
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import java.lang.annotation.*;
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import static java.lang.annotation.ElementType.*;
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import static java.lang.annotation.RetentionPolicy.*;
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/**
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* The PostConstruct annotation is used on a method that needs to be executed
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* after dependency injection is done to perform any initialization. This
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* method MUST be invoked before the class is put into service. This
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* annotation MUST be supported on all classes that support dependency
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* injection. The method annotated with PostConstruct MUST be invoked even
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* if the class does not request any resources to be injected. Only one
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* method can be annotated with this annotation. The method on which the
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* PostConstruct annotation is applied MUST fulfill all of the following
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* criteria:
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* <p>
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* <ul>
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* <li>The method MUST NOT have any parameters except in the case of
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* interceptors in which case it takes an InvocationContext object as
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* defined by the Interceptors specification.</li>
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* <li>The method defined on an interceptor class MUST HAVE one of the
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* following signatures:
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* <p>
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* void <METHOD>(InvocationContext)
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* <p>
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* Object <METHOD>(InvocationContext) throws Exception
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* <p>
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* <i>Note: A PostConstruct interceptor method must not throw application
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* exceptions, but it may be declared to throw checked exceptions including
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* the java.lang.Exception if the same interceptor method interposes on
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* business or timeout methods in addition to lifecycle events. If a
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* PostConstruct interceptor method returns a value, it is ignored by
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* the container.</i>
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* </li>
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* <li>The method defined on a non-interceptor class MUST HAVE the
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* following signature:
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* <p>
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* void <METHOD>()
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* </li>
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* <li>The method on which PostConstruct is applied MAY be public, protected,
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* package private or private.</li>
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* <li>The method MUST NOT be static except for the application client.</li>
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* <li>The method MAY be final.</li>
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* <li>If the method throws an unchecked exception the class MUST NOT be put into
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* service except in the case of EJBs where the EJB can handle exceptions and
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* even recover from them.</li></ul>
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* @since Common Annotations 1.0
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* @see javax.annotation.PreDestroy
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* @see javax.annotation.Resource
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*/
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@Documented
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@Retention (RUNTIME)
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@Target(METHOD)
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public @interface PostConstruct {
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}
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