org.springframework.yarn.am.monitor
Interface ContainerMonitor

All Known Implementing Classes:

DefaultContainerMonitor

public interface ContainerMonitor

General interface for components able to monitor application and container statuses.

Author:

Janne Valkealahti

Method Summary

void	addContainerMonitorStateListener(ContainerMonitorListener listener) Adds the container monitor state listener.
int	completedCount() Gets a count of completed containers.
int	failedCount() Gets a count of failed containers.
int	freeCount() Gets a count of free containers.
void	reportContainer(org.apache.hadoop.yarn.api.records.Container container) Notifies monitor of Container.
void	reportContainerStatus(org.apache.hadoop.yarn.api.records.ContainerStatus containerStatus) Notifies monitor for new ContainerStatus.
void	reportContainerStatus(java.util.List<org.apache.hadoop.yarn.api.records.ContainerStatus> containerStatuses) Notifies monitor for new ContainerStatus.
int	runningCount() Gets a count of running containers.

Method Detail

reportContainerStatus

void reportContainerStatus(java.util.List<org.apache.hadoop.yarn.api.records.ContainerStatus> containerStatuses)

Notifies monitor for new ContainerStatus.

Parameters:

containerStatuses - the container statuses

reportContainerStatus

void reportContainerStatus(org.apache.hadoop.yarn.api.records.ContainerStatus containerStatus)

Notifies monitor for new ContainerStatus.

Parameters:

containerStatus - the container status

reportContainer

void reportContainer(org.apache.hadoop.yarn.api.records.Container container)

Notifies monitor of Container.

Parameters:

container - the container

freeCount

int freeCount()

Gets a count of free containers.

Returns:

count of free containers

runningCount

int runningCount()

Gets a count of running containers.

Returns:

count of running containers

failedCount

int failedCount()

Gets a count of failed containers.

Returns:

count of failed containers

completedCount

int completedCount()

Gets a count of completed containers.

Returns:

count of completed containers

addContainerMonitorStateListener

void addContainerMonitorStateListener(ContainerMonitorListener listener)

Adds the container monitor state listener.

Parameters:

listener - the ContainerMonitorListener