| Package | Description | 
|---|---|
| org.apache.hadoop.net | 
 Network-related classes. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
CachedDNSToSwitchMapping
A cached implementation of DNSToSwitchMapping that takes an
 raw DNSToSwitchMapping and stores the resolved network location in 
 a cache. 
 | 
class  | 
ScriptBasedMapping
This class implements the  
DNSToSwitchMapping interface using a 
 script configured via the
 CommonConfigurationKeysPublic.NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY option. | 
class  | 
TableMapping
 Simple  
DNSToSwitchMapping implementation that reads a 2 column text
 file. | 
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