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Re: [aspectj-users] compilation error with generics (possible bug?)
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Looks like a bug to me - please can you raise it?
Andy.
On 14/11/05, Alexandru Popescu <the.mindstorm.mailinglist@xxxxxxxxx> wrote:
> Hi!
>
> The following code seems correct to me:
>
> [code]
> public interface Identifiable<T> {
> T getId();
>
> void setId(T t);
> }
>
> public interface LongIdentifiable extends Identifiable<Long> {
> }
>
> public class Bean implements LongIdentifiable {
>
> public Long getId() {
> return null;
> }
>
> public void setId(Long t) {
> }
>
> }
> [/code]
>
> at least it compiles oke with Eclipse 3.1.1.
>
> Going back to AspectJ and AJDT adding the following aspect:
>
> [code]
> public aspect IdentifiableAspect {
> declare parents: Bean implements LongIdentifiable;
>
> private Long LongIdentifiable.m_id;
>
> public Long LongIdentifiable.getId() {
> return m_id;
> }
>
> public void LongIdentifiable.setId(Long id) {
> m_id= id;
> }
> }
> [/code]
>
> results in 3 compilation errors:
>
> Severity Description Resource In Folder Location Creation Time Id
> 2 can't override java.lang.Long org.noco.generics.LongIdentifiable.getId() with java.lang.Object
> org.noco.generics.Bean.getId() return types don't match IdentifiableAspect.aj
> aj5_examples/src/main/org/noco/generics line 8 November 14, 2005 3:01:43 PM 27085
>
> Severity Description Resource In Folder Location Creation Time Id
> 2 The return type is incompatible with org.noco.generics.Identifiable<java.lang.Long>.getId()
> Bean.java aj5_examples/src/main/org/noco/generics line 1 November 14, 2005 3:01:43 PM 27094
>
> Severity Description Resource In Folder Location Creation Time Id
> 2 can't override java.lang.Long org.noco.generics.LongIdentifiable.getId() with java.lang.Object
> org.noco.generics.Bean.getId() return types don't match Bean.java
> aj5_examples/src/main/org/noco/generics line 1 November 14, 2005 3:01:43 PM 27095
>
>
> Env:
>
> Eclipse 3.1.1
> AJDT: ajdt_1.3.0.20051108143751_archive.zip
>
> Am I doing something wrong? Is this a known bug?
>
> thanks in avdance,
>
> ./alex
> --
> .w( the_mindstorm )p.
>
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>
