Package org.apache.hadoop.yarn.server.webapp

Interface AppInfoProvider

All Known Implementing Classes:

LogWebService, WebServices

@LimitedPrivate("YARN")
@Unstable
public interface AppInfoProvider

Classes implementing this interface are used in the LogServlet for providing various application related information.

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.yarn.server.webapp.BasicAppInfo	getApp(javax.servlet.http.HttpServletRequest req, java.lang.String appId, java.lang.String clusterId)	Returns BasicAppInfo object that wraps the collected information about the application.
java.lang.String	getNodeHttpAddress(javax.servlet.http.HttpServletRequest req, java.lang.String appId, java.lang.String appAttemptId, java.lang.String containerId, java.lang.String clusterId)	Returns the node HTTP address.

Method Detail

getNodeHttpAddress

java.lang.String getNodeHttpAddress(javax.servlet.http.HttpServletRequest req,
                                    java.lang.String appId,
                                    java.lang.String appAttemptId,
                                    java.lang.String containerId,
                                    java.lang.String clusterId)

Returns the node HTTP address.

Parameters:

req - HttpServletRequest associated with the request

appId - the id of the application

appAttemptId - the id of the application attempt

containerId - the container id

clusterId - the id of the cluster

Returns:

the node HTTP address

getApp

org.apache.hadoop.yarn.server.webapp.BasicAppInfo getApp(javax.servlet.http.HttpServletRequest req,
                                                         java.lang.String appId,
                                                         java.lang.String clusterId)

Returns BasicAppInfo object that wraps the collected information about the application.

Parameters:

req - HttpServletRequest associated with the request

appId - the id of the application

clusterId - the id of the cluster

Returns:

BasicAppInfo object