Examples of org.apache.hadoop.tools.GetConf

org.apache.hadoop.tools.GetConf
Tool for getting configuration information from a configuration file. Adding more options:
- If adding a simple option to get a value corresponding to a key in the configuration, use regular {@link GetConf.CommandHandler}. See {@link GetConf.Command#EXCLUDE_FILE} example.
- If adding an option that is does not return a value for a key, add a subclass of {@link GetConf.CommandHandler} and set it up in {@link GetConf.Command}. See {@link GetConf.Command#NAMENODE} for example.

  private String runTool(Configuration conf, String[] args, boolean success)
      throws Exception {
    ByteArrayOutputStream o = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(o, true);
    try {
      int ret = ToolRunner.run(new GetConf(conf, out, out), args);
      assertEquals(success, ret == 0);
      return o.toString();
    } finally {
      o.close();
      out.close();

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  private String runTool(Configuration conf, String[] args, boolean success)
      throws Exception {
    ByteArrayOutputStream o = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(o, true);
    try {
      int ret = ToolRunner.run(new GetConf(conf, out, out), args);
      assertEquals(success, ret == 0);
      return o.toString();
    } finally {
      o.close();
      out.close();

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Related Classes of org.apache.hadoop.tools.GetConf

org.apache.hadoop.conf.Configuration

org.apache.hadoop.tools.TestGetConf

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