org.apache.hadoop.streaming
Class Environment

java.lang.Object
  extended by java.util.Dictionary<K,V>
      extended by java.util.Hashtable<Object,Object>
          extended by java.util.Properties
              extended by org.apache.hadoop.streaming.Environment
All Implemented Interfaces:
Serializable, Cloneable, Map<Object,Object>

public class Environment
extends Properties

This is a class used to get the current environment on the host machines running the map/reduce. This class assumes that setting the environment in streaming is allowed on windows/ix/linuz/freebsd/sunos/solaris/hp-ux

See Also:
Serialized Form

Field Summary
 
Fields inherited from class java.util.Properties
defaults
 
Constructor Summary
Environment()
           
 
Method Summary
 String getHost()
           
 Map<String,String> toMap()
           
 
Methods inherited from class java.util.Properties
getProperty, getProperty, list, list, load, load, loadFromXML, propertyNames, save, setProperty, store, store, storeToXML, storeToXML, stringPropertyNames
 
Methods inherited from class java.util.Hashtable
clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, get, hashCode, isEmpty, keys, keySet, put, putAll, rehash, remove, size, toString, values
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

Environment

public Environment()
            throws IOException
Throws:
IOException
Method Detail

toMap

public Map<String,String> toMap()

getHost

public String getHost()


Copyright © 2009 The Apache Software Foundation