org.apache.hadoop.yarn.server.api

Interface ApplicationContext

@InterfaceAudience.Public
@InterfaceStability.Unstable
public interface ApplicationContext

Method Summary

Methods

Modifier and Type	Method and Description
Map<org.apache.hadoop.yarn.api.records.ApplicationId,org.apache.hadoop.yarn.api.records.ApplicationReport>	getAllApplications() This method returns all Application ApplicationReports
org.apache.hadoop.yarn.api.records.ContainerReport	getAMContainer(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId) This method returns ContainerReport for specified ApplicationAttemptId.
org.apache.hadoop.yarn.api.records.ApplicationReport	getApplication(org.apache.hadoop.yarn.api.records.ApplicationId appId) This method returns Application ApplicationReport for the specified ApplicationId.
org.apache.hadoop.yarn.api.records.ApplicationAttemptReport	getApplicationAttempt(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId) This method returns ApplicationAttemptReport for specified ApplicationId.
Map<org.apache.hadoop.yarn.api.records.ApplicationAttemptId,org.apache.hadoop.yarn.api.records.ApplicationAttemptReport>	getApplicationAttempts(org.apache.hadoop.yarn.api.records.ApplicationId appId) Application can have multiple application attempts ApplicationAttemptReport.
org.apache.hadoop.yarn.api.records.ContainerReport	getContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId) This method returns ContainerReport for specified ContainerId.
Map<org.apache.hadoop.yarn.api.records.ContainerId,org.apache.hadoop.yarn.api.records.ContainerReport>	getContainers(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId) This method returns Map of ContainerId to ContainerReport for specified ApplicationAttemptId.

Method Detail

getApplication

@InterfaceAudience.Public
@InterfaceStability.Unstable
org.apache.hadoop.yarn.api.records.ApplicationReport getApplication(org.apache.hadoop.yarn.api.records.ApplicationId appId)
                                                                    throws IOException

This method returns Application ApplicationReport for the specified ApplicationId.

Parameters:

appId -

Returns:

ApplicationReport for the ApplicationId.

Throws:

IOException

getAllApplications

@InterfaceAudience.Public
@InterfaceStability.Unstable
Map<org.apache.hadoop.yarn.api.records.ApplicationId,org.apache.hadoop.yarn.api.records.ApplicationReport> getAllApplications()
                                                                                                                              throws IOException

This method returns all Application ApplicationReports

Returns:

map of ApplicationId to ApplicationReports.

Throws:

IOException

getApplicationAttempts

@InterfaceAudience.Public
@InterfaceStability.Unstable
Map<org.apache.hadoop.yarn.api.records.ApplicationAttemptId,org.apache.hadoop.yarn.api.records.ApplicationAttemptReport> getApplicationAttempts(org.apache.hadoop.yarn.api.records.ApplicationId appId)
                                                                                                                                                throws IOException

Application can have multiple application attempts ApplicationAttemptReport. This method returns the all ApplicationAttemptReports for the Application.

Parameters:

appId -

Returns:

all ApplicationAttemptReports for the Application.

Throws:

IOException

getApplicationAttempt

@InterfaceAudience.Public
@InterfaceStability.Unstable
org.apache.hadoop.yarn.api.records.ApplicationAttemptReport getApplicationAttempt(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId)
                                                                                  throws IOException

This method returns ApplicationAttemptReport for specified ApplicationId.

Parameters:

appAttemptId - ApplicationAttemptId

Returns:

ApplicationAttemptReport for ApplicationAttemptId

Throws:

IOException

getContainer

@InterfaceAudience.Public
@InterfaceStability.Unstable
org.apache.hadoop.yarn.api.records.ContainerReport getContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId)
                                                                throws IOException

This method returns ContainerReport for specified ContainerId.

Parameters:

containerId - ContainerId

Returns:

ContainerReport for ContainerId

Throws:

IOException

getAMContainer

@InterfaceAudience.Public
@InterfaceStability.Unstable
org.apache.hadoop.yarn.api.records.ContainerReport getAMContainer(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId)
                                                                  throws IOException

This method returns ContainerReport for specified ApplicationAttemptId.

Parameters:

appAttemptId - ApplicationAttemptId

Returns:

ContainerReport for ApplicationAttemptId

Throws:

IOException

getContainers

@InterfaceAudience.Public
@InterfaceStability.Unstable
Map<org.apache.hadoop.yarn.api.records.ContainerId,org.apache.hadoop.yarn.api.records.ContainerReport> getContainers(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId)
                                                                                                                     throws IOException

This method returns Map of ContainerId to ContainerReport for specified ApplicationAttemptId.

Parameters:

appAttemptId - ApplicationAttemptId

Returns:

Map of ContainerId to ContainerReport for ApplicationAttemptId

Throws:

IOException