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.conf;
020    
021    import org.apache.hadoop.classification.InterfaceAudience;
022    import org.apache.hadoop.classification.InterfaceStability;
023    
024    /** Base class for things that may be configured with a {@link Configuration}. */
025    @InterfaceAudience.Public
026    @InterfaceStability.Stable
027    public class Configured implements Configurable {
028    
029      private Configuration conf;
030    
031      /** Construct a Configured. */
032      public Configured() {
033        this(null);
034      }
035      
036      /** Construct a Configured. */
037      public Configured(Configuration conf) {
038        setConf(conf);
039      }
040    
041      // inherit javadoc
042      @Override
043      public void setConf(Configuration conf) {
044        this.conf = conf;
045      }
046    
047      // inherit javadoc
048      @Override
049      public Configuration getConf() {
050        return conf;
051      }
052    
053    }