/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.mapreduce.security.token.delegation;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier;
/**
* A delegation token identifier that is specific to MapReduce.
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class DelegationTokenIdentifier
extends AbstractDelegationTokenIdentifier {
public static final Text MAPREDUCE_DELEGATION_KIND =
new Text("MAPREDUCE_DELEGATION_TOKEN");
/**
* Create an empty delegation token identifier for reading into.
*/
public DelegationTokenIdentifier() {
}
/**
* Create a new delegation token identifier
* @param owner the effective username of the token owner
* @param renewer the username of the renewer
* @param realUser the real username of the token owner
*/
public DelegationTokenIdentifier(Text owner, Text renewer, Text realUser) {
super(owner, renewer, realUser);
}
@Override
public Text getKind() {
return MAPREDUCE_DELEGATION_KIND;
}
}