JobTokenSelector (Hadoop 0.20.2-cdh3u5 API)
Date: 2012-10-05

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## org.apache.hadoop.mapreduce.security.token
Class JobTokenSelector

    java.lang.Object
      org.apache.hadoop.mapreduce.security.token.JobTokenSelector

All Implemented Interfaces:
  TokenSelector<JobTokenIdentifier>

    public class JobTokenSelector

extends Object
implements TokenSelector<JobTokenIdentifier>

Look through tokens to find the first job token that matches the service and return it.

Constructor Summary
`JobTokenSelector()`

Method Summary
`Token<JobTokenIdentifier>` | `selectToken(Text service, Collection<Token<? extends TokenIdentifier>> tokens)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### JobTokenSelector

    public JobTokenSelector()

Method Detail

### selectToken

    public Token<JobTokenIdentifier> selectToken(Text service,
                                                 Collection<Token<? extends TokenIdentifier>> tokens)

  Specified by:
    `selectToken` in interface `TokenSelector<JobTokenIdentifier>`

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