org.apache.hadoop.yarn.server.nodemanager
Interface Context

All Known Implementing Classes:

NodeManager.NMContext

public interface Context

Context interface for sharing information across components in the NodeManager.

Method Summary

ConcurrentMap<org.apache.hadoop.yarn.api.records.ApplicationId,Application>	getApplications()
org.apache.hadoop.yarn.api.ContainerManagementProtocol	getContainerManager()
ConcurrentMap<org.apache.hadoop.yarn.api.records.ContainerId,Container>	getContainers()
NMContainerTokenSecretManager	getContainerTokenSecretManager()
int	getHttpPort() Return the node http-address.
NMTokenSecretManagerInNM	getNMTokenSecretManager()
org.apache.hadoop.yarn.server.api.records.NodeHealthStatus	getNodeHealthStatus()
org.apache.hadoop.yarn.api.records.NodeId	getNodeId() Return the nodeId.

Method Detail

getNodeId

org.apache.hadoop.yarn.api.records.NodeId getNodeId()

Return the nodeId. Usable only when the ContainerManager is started.

Returns:

the NodeId

getHttpPort

int getHttpPort()

Return the node http-address. Usable only after the Webserver is started.

Returns:

the http-port

getApplications

ConcurrentMap<org.apache.hadoop.yarn.api.records.ApplicationId,Application> getApplications()

getContainers

ConcurrentMap<org.apache.hadoop.yarn.api.records.ContainerId,Container> getContainers()

getContainerTokenSecretManager

NMContainerTokenSecretManager getContainerTokenSecretManager()

getNMTokenSecretManager

NMTokenSecretManagerInNM getNMTokenSecretManager()

getNodeHealthStatus

org.apache.hadoop.yarn.server.api.records.NodeHealthStatus getNodeHealthStatus()

getContainerManager

org.apache.hadoop.yarn.api.ContainerManagementProtocol getContainerManager()