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https://issues.apache.org/jira/browse/HDFS-14545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857243#comment-16857243
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Íñigo Goiri commented on HDFS-14545:
------------------------------------
To make it a little more compact, we can also do:
{code}
/** Map for the protocols and their protobuf implementations. */
private final static Map<Class<?>, ProtoImpl> PROTO_MAP = new HashMap<>();
static {
PROTO_MAP.put(ClientProtocol.class, new ProtoImpl(
ClientNamenodeProtocolPB.class,
ClientNamenodeProtocolTranslatorPB.class));
PROTO_MAP.put(NamenodeProtocol.class, new ProtoImpl(
NamenodeProtocolPB.class,
NamenodeProtocolTranslatorPB.class));
PROTO_MAP.put(RefreshUserMappingsProtocol.class, new ProtoImpl(
RefreshUserMappingsProtocolPB.class,
RefreshUserMappingsProtocolClientSideTranslatorPB.class));
PROTO_MAP.put(GetUserMappingsProtocol.class, new ProtoImpl(
GetUserMappingsProtocolPB.class,
GetUserMappingsProtocolClientSideTranslatorPB.class));
}
/** Class to store the protocol implementation. */
private static class ProtoImpl {
private final Class<?> protoPb;
private final Class<?> protoClientPb;
ProtoImpl(Class<?> pPb, Class<?> pClientPb) {
this.protoPb = pPb;
this.protoClientPb = pClientPb;
}
}
{code}
> RBF: Router should support GetUserMappingsProtocol
> --------------------------------------------------
>
> Key: HDFS-14545
> URL: https://issues.apache.org/jira/browse/HDFS-14545
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Ayush Saxena
> Priority: Major
> Attachments: HDFS-14545-HDFS-13891-01.patch,
> HDFS-14545-HDFS-13891-02.patch, HDFS-14545-HDFS-13891-03.patch,
> HDFS-14545-HDFS-13891.000.patch
>
>
> We should be able to check the groups for a user from a Router.
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