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Posted to issues@commons.apache.org by "Daniel Golesny (JIRA)" <ji...@apache.org> on 2009/02/24 12:12:02 UTC
[jira] Created: (COLLECTIONS-321)
ComparableComparator.getInstance() not compilable with jdk-compiler
ComparableComparator.getInstance() not compilable with jdk-compiler
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Key: COLLECTIONS-321
URL: https://issues.apache.org/jira/browse/COLLECTIONS-321
Project: Commons Collections
Issue Type: Bug
Components: Comparator
Affects Versions: Generics
Reporter: Daniel Golesny
Comparator<Integer> c = ComparableComparator.getInstance();
This line is valid with eclipse (3.4) compiler, but the jdk 1.5.0 compiler returns this error:
[javac] J:\workspace\ndt\cobolclipse-TRUNK\collections_jdk5_branch\src\java\org\apache\commons\collections\comparators\ComparableComparatorTest.java:23: incompatible types; no instance(s) of type variable(s) E exist so that org.apache.commons.collections.comparators.ComparableComparator<E> conforms to java.util.Comparator<java.lang.Integer>
[javac] found : <E>org.apache.commons.collections.comparators.ComparableComparator<E>
[javac] required: java.util.Comparator<java.lang.Integer>
[javac] Comparator<Integer> c = ComparableComparator.getInstance();
[javac] ^
[javac] 1 error
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[jira] Updated: (COLLECTIONS-321)
ComparableComparator.getInstance() not compilable with jdk-compiler
Posted by "Henri Yandell (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/COLLECTIONS-321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Henri Yandell updated COLLECTIONS-321:
--------------------------------------
Affects Version/s: (was: Generics)
Fix Version/s: Generics
> ComparableComparator.getInstance() not compilable with jdk-compiler
> -------------------------------------------------------------------
>
> Key: COLLECTIONS-321
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-321
> Project: Commons Collections
> Issue Type: Bug
> Components: Comparator
> Reporter: Daniel Golesny
> Fix For: Generics
>
>
> Comparator<Integer> c = ComparableComparator.getInstance();
> This line is valid with eclipse (3.4) compiler, but the jdk 1.5.0 compiler returns this error:
> [javac] J:\workspace\ndt\cobolclipse-TRUNK\collections_jdk5_branch\src\java\org\apache\commons\collections\comparators\ComparableComparatorTest.java:23: incompatible types; no instance(s) of type variable(s) E exist so that org.apache.commons.collections.comparators.ComparableComparator<E> conforms to java.util.Comparator<java.lang.Integer>
> [javac] found : <E>org.apache.commons.collections.comparators.ComparableComparator<E>
> [javac] required: java.util.Comparator<java.lang.Integer>
> [javac] Comparator<Integer> c = ComparableComparator.getInstance();
> [javac] ^
> [javac] 1 error
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[jira] Issue Comment Edited: (COLLECTIONS-321)
ComparableComparator.getInstance() not compilable with jdk-compiler
Posted by "Matt Benson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/COLLECTIONS-321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12754192#action_12754192 ]
Matt Benson edited comment on COLLECTIONS-321 at 9/11/09 9:15 AM:
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In the generics branch you'd use {{ComparableComparator.<Integer> getInstance()}}. svn rev 738956
was (Author: mbenson):
In the generics branch you'd use {{ComparableComparator.<Integer> getInstance()}}
> ComparableComparator.getInstance() not compilable with jdk-compiler
> -------------------------------------------------------------------
>
> Key: COLLECTIONS-321
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-321
> Project: Commons Collections
> Issue Type: Bug
> Components: Comparator
> Reporter: Daniel Golesny
> Fix For: Generics
>
>
> Comparator<Integer> c = ComparableComparator.getInstance();
> This line is valid with eclipse (3.4) compiler, but the jdk 1.5.0 compiler returns this error:
> [javac] J:\workspace\ndt\cobolclipse-TRUNK\collections_jdk5_branch\src\java\org\apache\commons\collections\comparators\ComparableComparatorTest.java:23: incompatible types; no instance(s) of type variable(s) E exist so that org.apache.commons.collections.comparators.ComparableComparator<E> conforms to java.util.Comparator<java.lang.Integer>
> [javac] found : <E>org.apache.commons.collections.comparators.ComparableComparator<E>
> [javac] required: java.util.Comparator<java.lang.Integer>
> [javac] Comparator<Integer> c = ComparableComparator.getInstance();
> [javac] ^
> [javac] 1 error
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[jira] Resolved: (COLLECTIONS-321)
ComparableComparator.getInstance() not compilable with jdk-compiler
Posted by "Matt Benson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/COLLECTIONS-321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matt Benson resolved COLLECTIONS-321.
-------------------------------------
Resolution: Fixed
In the generics branch you'd use {{ComparableComparator.<Integer> getInstance()}}
> ComparableComparator.getInstance() not compilable with jdk-compiler
> -------------------------------------------------------------------
>
> Key: COLLECTIONS-321
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-321
> Project: Commons Collections
> Issue Type: Bug
> Components: Comparator
> Reporter: Daniel Golesny
> Fix For: Generics
>
>
> Comparator<Integer> c = ComparableComparator.getInstance();
> This line is valid with eclipse (3.4) compiler, but the jdk 1.5.0 compiler returns this error:
> [javac] J:\workspace\ndt\cobolclipse-TRUNK\collections_jdk5_branch\src\java\org\apache\commons\collections\comparators\ComparableComparatorTest.java:23: incompatible types; no instance(s) of type variable(s) E exist so that org.apache.commons.collections.comparators.ComparableComparator<E> conforms to java.util.Comparator<java.lang.Integer>
> [javac] found : <E>org.apache.commons.collections.comparators.ComparableComparator<E>
> [javac] required: java.util.Comparator<java.lang.Integer>
> [javac] Comparator<Integer> c = ComparableComparator.getInstance();
> [javac] ^
> [javac] 1 error
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