org.apache.slider.providers.agent

Class ComponentInstanceState

java.lang.Object

org.apache.slider.providers.agent.ComponentInstanceState

public class ComponentInstanceState
extends Object

This class implements a simple state machine for component instances.

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	log

Constructor Summary

Constructors

Constructor and Description
ComponentInstanceState(String componentName, org.apache.hadoop.yarn.api.records.ContainerId containerId, String applicationId)
ComponentInstanceState(String componentName, org.apache.hadoop.yarn.api.records.ContainerId containerId, String applicationId, Map<String,State> pkgStatuses)

Method Summary

Methods

Modifier and Type	Method and Description
void	applyCommandResult(CommandResult result, Command command)
void	applyCommandResult(CommandResult result, Command command, String pkg)
void	commandIssued(Command command)
void	commandIssued(Command command, boolean isInUpgradeMode)
boolean	equals(Object o)
String	getComponentName()
Boolean	getConfigReported()
org.apache.hadoop.yarn.api.records.ContainerId	getContainerId()
ContainerState	getContainerState()
long	getLastHeartbeat()
Command	getNextCommand()
Command	getNextCommand(boolean isInUpgradeMode)
String	getNextPkgToInstall()
State	getState()
State	getTargetState()
int	hashCode()
boolean	hasPendingCommand()
ContainerState	heartbeat(long heartbeatTime) Update the heartbeat, and change container state to mark as healthy if appropriate
boolean	isStopInitiated()
void	setConfigReported(Boolean configReported)
void	setContainerState(ContainerState containerState)
protected void	setState(State state)
void	setStopInitiated(boolean stopInitiated)
void	setTargetState(State targetState)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

log

public static final org.slf4j.Logger log

Constructor Detail

ComponentInstanceState

public ComponentInstanceState(String componentName,
                      org.apache.hadoop.yarn.api.records.ContainerId containerId,
                      String applicationId)

ComponentInstanceState

public ComponentInstanceState(String componentName,
                      org.apache.hadoop.yarn.api.records.ContainerId containerId,
                      String applicationId,
                      Map<String,State> pkgStatuses)

Method Detail

getComponentName

public String getComponentName()

getConfigReported

public Boolean getConfigReported()

setConfigReported

public void setConfigReported(Boolean configReported)

getContainerState

public ContainerState getContainerState()

setContainerState

public void setContainerState(ContainerState containerState)

getLastHeartbeat

public long getLastHeartbeat()

heartbeat

public ContainerState heartbeat(long heartbeatTime)

Update the heartbeat, and change container state to mark as healthy if appropriate

Parameters:

heartbeatTime - last time the heartbeat was seen

Returns:

the current container state

getContainerId

public org.apache.hadoop.yarn.api.records.ContainerId getContainerId()

commandIssued

public void commandIssued(Command command)

commandIssued

public void commandIssued(Command command,
                 boolean isInUpgradeMode)

applyCommandResult

public void applyCommandResult(CommandResult result,
                      Command command,
                      String pkg)

applyCommandResult

public void applyCommandResult(CommandResult result,
                      Command command)

hasPendingCommand

public boolean hasPendingCommand()

getNextCommand

public Command getNextCommand()

getNextCommand

public Command getNextCommand(boolean isInUpgradeMode)

getState

public State getState()

setState

protected void setState(State state)

getTargetState

public State getTargetState()

setTargetState

public void setTargetState(State targetState)

getNextPkgToInstall

public String getNextPkgToInstall()

isStopInitiated

public boolean isStopInitiated()

setStopInitiated

public void setStopInitiated(boolean stopInitiated)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object