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HADOOP-17505. public interface GroupMappingServiceProvider needs default impl for getGroupsSet() (#2661). Contributed by Vinayakumar B.

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Vinayakumar B 2021-04-22 01:02:03 +05:30 committed by GitHub
parent 5221322b96
commit c4c0683dff
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1 changed files with 5 additions and 1 deletions
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6
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/GroupMappingServiceProvider.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.security;
import java.io.IOException;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
@ -61,5 +62,8 @@ public interface GroupMappingServiceProvider {
* @return set of group memberships of user
* @throws IOException
*/
Set<String> getGroupsSet(String user) throws IOException;
default Set<String> getGroupsSet(String user) throws IOException {
//Override to form the set directly to avoid another conversion
return new LinkedHashSet<>(getGroups(user));
}
}