Package org.apache.nifi.groups

Class RetainExistingStateComponentScheduler

java.lang.Object

org.apache.nifi.groups.RetainExistingStateComponentScheduler

All Implemented Interfaces:

ComponentScheduler

public class RetainExistingStateComponentScheduler
extends Object
implements ComponentScheduler

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<String,ScheduledState>	componentStates
private final Map<String,ControllerServiceState>	controllerServiceStates
private final ComponentScheduler	delegate
private static final org.slf4j.Logger	logger

Fields inherited from interface org.apache.nifi.groups.ComponentScheduler

NOP_SCHEDULER

Constructor Summary

Constructors

Constructor	Description
RetainExistingStateComponentScheduler(ProcessGroup processGroup, ComponentScheduler delegate)

Method Summary

Modifier and Type	Method	Description
void	disableControllerServicesAsync(Collection<ControllerServiceNode> controllerServices)
void	enableControllerServicesAsync(Collection<ControllerServiceNode> controllerServices)
private void	findAllConnectables(ProcessGroup group, Set<Connectable> connectables)
private void	findAllStatelessGroups(ProcessGroup start, Set<ProcessGroup> statelessGroups)
private Map<String,ScheduledState>	mapComponentStates(ProcessGroup group)
private Map<String,ControllerServiceState>	mapControllerServiceStates(ProcessGroup group)
void	pause()
void	resume()
void	startComponent(Connectable component)
void	startReportingTask(ReportingTaskNode reportingTask)
void	startStatelessGroup(ProcessGroup group)
void	stopComponent(Connectable component)
void	stopStatelessGroup(ProcessGroup group)
void	transitionComponentState(Connectable component, org.apache.nifi.flow.ScheduledState desiredState)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

logger

private static final org.slf4j.Logger logger

delegate

private final ComponentScheduler delegate

componentStates

private final Map<String,ScheduledState> componentStates

controllerServiceStates

private final Map<String,ControllerServiceState> controllerServiceStates

Constructor Details

RetainExistingStateComponentScheduler

public RetainExistingStateComponentScheduler(ProcessGroup processGroup,
 ComponentScheduler delegate)

Method Details

startComponent

public void startComponent(Connectable component)

Specified by:

startComponent in interface ComponentScheduler

startStatelessGroup

public void startStatelessGroup(ProcessGroup group)

Specified by:

startStatelessGroup in interface ComponentScheduler

stopStatelessGroup

public void stopStatelessGroup(ProcessGroup group)

Specified by:

stopStatelessGroup in interface ComponentScheduler

stopComponent

public void stopComponent(Connectable component)

Specified by:

stopComponent in interface ComponentScheduler

transitionComponentState

public void transitionComponentState(Connectable component,
 org.apache.nifi.flow.ScheduledState desiredState)

Specified by:

transitionComponentState in interface ComponentScheduler

enableControllerServicesAsync

public void enableControllerServicesAsync(Collection<ControllerServiceNode> controllerServices)

Specified by:

enableControllerServicesAsync in interface ComponentScheduler

disableControllerServicesAsync

public void disableControllerServicesAsync(Collection<ControllerServiceNode> controllerServices)

Specified by:

disableControllerServicesAsync in interface ComponentScheduler

startReportingTask

public void startReportingTask(ReportingTaskNode reportingTask)

Specified by:

startReportingTask in interface ComponentScheduler

pause

public void pause()

Specified by:

pause in interface ComponentScheduler

resume

public void resume()

Specified by:

resume in interface ComponentScheduler

mapControllerServiceStates

private Map<String,ControllerServiceState> mapControllerServiceStates(ProcessGroup group)

mapComponentStates

private Map<String,ScheduledState> mapComponentStates(ProcessGroup group)

findAllConnectables

private void findAllConnectables(ProcessGroup group,
 Set<Connectable> connectables)

findAllStatelessGroups

private void findAllStatelessGroups(ProcessGroup start,
 Set<ProcessGroup> statelessGroups)