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1   /* Copyright (c) 2008 Sascha Kohlmann
2    *
3    * This program is free software: you can redistribute it and/or modify
4    * it under the terms of the GNU Affero General Public License as published by
5    * the Free Software Foundation, either version 3 of the License, or
6    * (at your option) any later version.
7    *
8    * This program is distributed in the hope that it will be useful,
9    * but WITHOUT ANY WARRANTY; without even the implied warranty of
10   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11   * GNU Affero General Public License for more details.
12   *
13   * You should have received a copy of the GNU Affero General Public License
14   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15   */
16  package net.sf.eos.config;
17  
18  import java.util.Map.Entry;
19  
20  /**
21   * Hadoop Configuration holder.
22   * @author Sascha Kohlmann
23   */
24  public class HadoopConfigurationAdapter extends Configuration {
25  
26      /**
27       * Copy constructor for Hadoop configuration.
28       * @param config hadoop configuration
29       */
30      public HadoopConfigurationAdapter(final org.apache.hadoop.conf.Configuration config) {
31          super();
32          for (final Entry<String, String> entry : config) {
33              final String name = entry.getKey();
34              final String value = entry.getValue();
35              set(name, value);
36          }
37      }
38  
39      /**
40       * Adds the data of the Hadoop configuration to the &#949;&#959;s 
41       * configuration.
42       * @param from the Hadoop configuration
43       * @param to the &#949;&#959;s configuration
44       */
45      public static void addHadoopConfigToEosConfig(
46              final org.apache.hadoop.conf.Configuration from,
47              final Configuration to) {
48  
49          for (final Entry<String, String> entry : from) {
50              final String key = entry.getKey();
51              final String value = entry.getValue();
52              to.set(key, value);
53          }
54      }
55  
56      /**
57       * Adds the data of the &#949;&#959;s configuration to the Hadoop 
58       * configuration.
59       * @param to the Hadoop configuration
60       * @param from the &#949;&#959;s configuration
61       */
62      public static void addEosConfigToHadoopConfig(
63              final Configuration from,
64              final org.apache.hadoop.conf.Configuration to) {
65  
66          for (final Entry<String, String> entry : from) {
67              final String key = entry.getKey();
68              final String value = entry.getValue();
69              to.set(key, value);
70          }
71      }
72  }