[weld-dev] Is an interceptor with @Target(METHOD, CONSTRUCTOR, TYPE) a problem?

[Pete Muir]

Whatever, this is a poor error message!

Marcin, could you file an issue in WELD please?

On 18 Jul 2010, at 03:03, Marius Bogoevici wrote:

> Hi Marcin,
> 
> Only annotations with @Target({ElementType.METHOD, ElementType.TYPE}) or @Target({ElementType.TYPE}) can be interceptor bindings (chapter 1 of the spec).
> 
> CDI interceptors cannot be defined for constructors per se (so there's no around-constructor semantics), but you can have a @PostConstruct method on a @Target({ElementType.TYPE}) interceptor, which effectively executes after the instance has been created and CDI-injected.
> 
> Hope this helps,
> Marius
> 
> On 2010-07-17, at 5:36 PM, Marcin Zajączkowski wrote:
> 
>> Hi,
>> 
>> 
>> I'm trying to write mocked unit tests for my interceptor using
>> mechanisms given by AbstractWeldTest and jboss-test-harness package.
>> 
>> My test class extends AbstractWeldTest, had Artifact and WebBeans
>> (pointing to beans.xml with my interceptor defined) annotations.
>> 
>> My interceptor seems normal for me:
>> @Target({ElementType.METHOD, ElementType.CONSTRUCTOR, ElementType.TYPE})
>> @Retention(RetentionPolicy.RUNTIME)
>> @InterceptorBinding
>> public @interface Perf4jProfiled {
>> }
>> 
>> When I run a very simple test, I've got:
>> 23:06:53.505 [main] DEBUG org.jboss.weld.Reflection - WELD-000602
>> interface net.sf.perf4cdi.api.Perf4jProfiled is not declared
>> @Target(TYPE, METHOD) or @Target(TYPE)
>> org.jboss.weld.exceptions.DeploymentException: WELD-000069 An
>> interceptor must have at least one binding, but
>> net.sf.perf4cdi.Perf4jProfiledInterceptor has none
>> 	at org.jboss.weld.bean.InterceptorImpl.<init>(InterceptorImpl.java:71)
>> 	at org.jboss.weld.bean.InterceptorImpl.of(InterceptorImpl.java:55)
>> 	at
>> org.jboss.weld.bootstrap.AbstractBeanDeployer.createInterceptor(AbstractBeanDeployer.java:255)
>> 	at org.jboss.weld.bootstrap.BeanDeployer.createBeans(BeanDeployer.java:106)
>> 	at
>> org.jboss.weld.bootstrap.BeanDeployment.deployBeans(BeanDeployment.java:151)
>> 	at
>> org.jboss.weld.bootstrap.WeldBootstrap.deployBeans(WeldBootstrap.java:377)
>> 	at
>> org.jboss.weld.mock.MockServletLifecycle.beginApplication(MockServletLifecycle.java:121)
>> 	at org.jboss.weld.mock.TestContainer.startContainer(TestContainer.java:85)
>> 	at
>> org.jboss.weld.test.harness.AbstractStandaloneContainersImpl.deploy(AbstractStandaloneContainersImpl.java:40)
>> 	at org.jboss.testharness.AbstractTest.deployArtifact(AbstractTest.java:103)
>> 	at org.jboss.testharness.AbstractTest.beforeClass(AbstractTest.java:206)
>> 	at
>> org.jboss.weld.test.AbstractWeldTest.beforeClass(AbstractWeldTest.java:57)
>> 
>> 
>> When I remove CONSTRUCTOR it works better (there is another problem, but
>> not related I have to debug it).
>> 
>> I would like to ask if this is a limitation of CDI that an interceptor
>> cannot be put on constructor?
>> 
>> 
>> Regards
>> Marcin
>> 
>> _______________________________________________
>> weld-dev mailing list
>> weld-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/weld-dev
> 
> 
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