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Posted to commits@cassandra.apache.org by "Peter Schuller (Updated) (JIRA)" <ji...@apache.org> on 2012/01/27 07:59:39 UTC
[jira] [Updated] (CASSANDRA-3796) post-2392 trunk does not build
with java 7
[ https://issues.apache.org/jira/browse/CASSANDRA-3796?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Peter Schuller updated CASSANDRA-3796:
--------------------------------------
Attachment: CASSANDRA-3796-trunk-v1.txt
Attaching patch. It would be great if someone from CASSANDRA-2392 could review and make sure I am not introducing a subtle bug by implementing the Comparator at the RowPosition level.
> post-2392 trunk does not build with java 7
> ------------------------------------------
>
> Key: CASSANDRA-3796
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3796
> Project: Cassandra
> Issue Type: Bug
> Reporter: Peter Schuller
> Assignee: Peter Schuller
> Priority: Minor
> Attachments: CASSANDRA-3796-trunk-v1.txt
>
>
> See below, on a fresh clone. Builds w/ java 6.
> {code}
> [javac] /tmp/c2/cassandra/src/java/org/apache/cassandra/io/sstable/SSTableReader.java:419: error: no suitable method found for binarySearch(List<DecoratedKey>,RowPosition)
> [javac] int index = Collections.binarySearch(indexSummary.getKeys(), key);
> [javac] ^
> [javac] method Collections.<T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>) is not applicable
> [javac] (cannot instantiate from arguments because actual and formal argument lists differ in length)
> [javac] method Collections.<T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2) is not applicable
> [javac] (no instance(s) of type variable(s) T#2 exist so that argument type List<DecoratedKey> conforms to formal parameter type List<? extends Comparable<? super T#2>>)
> [javac] where T#1,T#2 are type-variables:
> [javac] T#1 extends Object declared in method <T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>)
> [javac] T#2 extends Object declared in method <T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2)
> [javac] /tmp/c2/cassandra/src/java/org/apache/cassandra/io/sstable/SSTableReader.java:509: error: no suitable method found for binarySearch(List<DecoratedKey>,RowPosition)
> [javac] int left = Collections.binarySearch(samples, leftPosition);
> [javac] ^
> [javac] method Collections.<T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>) is not applicable
> [javac] (cannot instantiate from arguments because actual and formal argument lists differ in length)
> [javac] method Collections.<T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2) is not applicable
> [javac] (no instance(s) of type variable(s) T#2 exist so that argument type List<DecoratedKey> conforms to formal parameter type List<? extends Comparable<? super T#2>>)
> [javac] where T#1,T#2 are type-variables:
> [javac] T#1 extends Object declared in method <T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>)
> [javac] T#2 extends Object declared in method <T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2)
> [javac] /tmp/c2/cassandra/src/java/org/apache/cassandra/io/sstable/SSTableReader.java:521: error: no suitable method found for binarySearch(List<DecoratedKey>,RowPosition)
> [javac] : Collections.binarySearch(samples, rightPosition);
> [javac] ^
> [javac] method Collections.<T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>) is not applicable
> [javac] (cannot instantiate from arguments because actual and formal argument lists differ in length)
> [javac] method Collections.<T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2) is not applicable
> [javac] (no instance(s) of type variable(s) T#2 exist so that argument type List<DecoratedKey> conforms to formal parameter type List<? extends Comparable<? super T#2>>)
> [javac] where T#1,T#2 are type-variables:
> [javac] T#1 extends Object declared in method <T#1>binarySearch(List<? extends T#1>,T#1,Comparator<? super T#1>)
> [javac] T#2 extends Object declared in method <T#2>binarySearch(List<? extends Comparable<? super T#2>>,T#2)
> {code}
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