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    package org.apache.hadoop.lib.service;
019    
020    import org.apache.hadoop.classification.InterfaceAudience;
021    import org.apache.hadoop.lib.lang.XException;
022    
023    /**
024     * Exception thrown by the {@link DelegationTokenManager} service implementation.
025     */
026    @InterfaceAudience.Private
027    public class DelegationTokenManagerException extends XException {
028    
029      public enum ERROR implements XException.ERROR {
030        DT01("Could not verify delegation token, {0}"),
031        DT02("Could not renew delegation token, {0}"),
032        DT03("Could not cancel delegation token, {0}"),
033        DT04("Could not create delegation token, {0}");
034    
035        private String template;
036    
037        ERROR(String template) {
038          this.template = template;
039        }
040    
041        @Override
042        public String getTemplate() {
043          return template;
044        }
045      }
046    
047      public DelegationTokenManagerException(ERROR error, Object... params) {
048        super(error, params);
049      }
050    
051    }