org.apache.hadoop.streaming

类 Environment

java.lang.Object

java.util.Dictionary<K,V>

java.util.Hashtable<Object,Object>

java.util.Properties

org.apache.hadoop.streaming.Environment

所有已实现的接口:

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

另请参阅:

序列化表格

字段概要

从类继承的字段 java.util.Properties

defaults

构造器概要

构造器

构造器和说明
Environment()

方法概要

方法

限定符和类型	方法和说明
String	getHost()
Map<String,String>	toMap()

从类继承的方法 java.util.Properties

getProperty, getProperty, list, list, load, load, loadFromXML, propertyNames, save, setProperty, store, store, storeToXML, storeToXML, stringPropertyNames

从类继承的方法 java.util.Hashtable

clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, get, hashCode, isEmpty, keys, keySet, put, putAll, rehash, remove, size, toString, values

从类继承的方法 java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

Environment

public Environment()
            throws IOException

抛出:

IOException

方法详细资料

toMap

public Map<String,String> toMap()

getHost

public String getHost()