org.apache.hadoop.hdfs.tools
Class GetConf
java.lang.Object
org.apache.hadoop.conf.Configured
org.apache.hadoop.hdfs.tools.GetConf
- All Implemented Interfaces:
- org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
public class GetConf
- extends org.apache.hadoop.conf.Configured
- implements org.apache.hadoop.util.Tool
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
GetConf.CommandHandler
.
See GetConf.Command.EXCLUDE_FILE
example.
-
If adding an option that is does not return a value for a key, add
a subclass of
GetConf.CommandHandler
and set it up in
GetConf.Command
.
See GetConf.Command.NAMENODE
for example.
Add for the new option added, a map entry with the corresponding
GetConf.CommandHandler
.
Methods inherited from class org.apache.hadoop.conf.Configured |
getConf, setConf |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.conf.Configurable |
getConf, setConf |
run
public int run(String[] args)
throws Exception
- Specified by:
run
in interface org.apache.hadoop.util.Tool
- Throws:
Exception
main
public static void main(String[] args)
throws Exception
- Throws:
Exception
Copyright © 2014 Apache Software Foundation. All Rights Reserved.