001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package org.apache.hadoop.yarn.security.client;
020    
021    import org.apache.hadoop.classification.InterfaceAudience;
022    import org.apache.hadoop.classification.InterfaceAudience.Public;
023    import org.apache.hadoop.classification.InterfaceStability.Unstable;
024    import org.apache.hadoop.io.Text;
025    import org.apache.hadoop.security.token.Token;
026    import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier;
027    
028    @Public
029    @Unstable
030    public class TimelineDelegationTokenIdentifier extends AbstractDelegationTokenIdentifier {
031    
032      public static final Text KIND_NAME = new Text("TIMELINE_DELEGATION_TOKEN");
033    
034      public TimelineDelegationTokenIdentifier() {
035    
036      }
037    
038      /**
039       * Create a new timeline delegation token identifier
040       *
041       * @param owner the effective username of the token owner
042       * @param renewer the username of the renewer
043       * @param realUser the real username of the token owner
044       */
045      public TimelineDelegationTokenIdentifier(Text owner, Text renewer,
046          Text realUser) {
047        super(owner, renewer, realUser);
048      }
049    
050      @Override
051      public Text getKind() {
052        return KIND_NAME;
053      }
054    
055      @InterfaceAudience.Private
056      public static class Renewer extends Token.TrivialRenewer {
057        @Override
058        protected Text getKind() {
059          return KIND_NAME;
060        }
061      }
062    
063    }