Package org.apache.hadoop.yarn.webapp.util

Class YarnWebServiceUtils

java.lang.Object

org.apache.hadoop.yarn.webapp.util.YarnWebServiceUtils

public final class YarnWebServiceUtils
extends Object

This class contains several utility function which could be used to generate Restful calls to RM/NM/AHS.

Method Summary

Modifier and Type	Method	Description
static org.codehaus.jettison.json.JSONObject	getNodeInfoFromRMWebService(org.apache.hadoop.conf.Configuration conf, String nodeId)	Utility function to get NodeInfo by calling RM WebService.
static String	toJson(Object obj, Class<?> klass)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getNodeInfoFromRMWebService

public static org.codehaus.jettison.json.JSONObject getNodeInfoFromRMWebService(org.apache.hadoop.conf.Configuration conf,
 String nodeId)
                                                                         throws javax.ws.rs.ProcessingException,
IllegalStateException

Utility function to get NodeInfo by calling RM WebService.

Parameters:

conf - the configuration

nodeId - the node

Returns:

a JSONObject which contains the NodeInfo

Throws:

javax.ws.rs.ProcessingException

IllegalStateException

toJson

public static String toJson(Object obj,
 Class<?> klass)
                     throws Exception

Throws:

Exception