org.apache.nifi.groups

Class StandardDataValve

java.lang.Object

org.apache.nifi.groups.StandardDataValve

All Implemented Interfaces:

DataValve

public class StandardDataValve
extends Object
implements DataValve

Field Summary

Fields

Modifier and Type	Field and Description
private static String	GROUPS_WITH_DATA_FLOWING_IN_STATE_KEY
private static String	GROUPS_WITH_DATA_FLOWING_OUT_STATE_KEY
private Set<String>	groupsWithDataFlowingIn
private Set<String>	groupsWithDataFlowingOut
private static org.slf4j.Logger	logger
private ProcessGroup	processGroup
private StateManager	stateManager

Constructor Summary

Constructors

Constructor and Description
StandardDataValve(ProcessGroup processGroup, StateManager stateManager)

Method Summary

Modifier and Type	Method and Description
void	closeFlowIntoGroup(ProcessGroup destinationGroup)
void	closeFlowOutOfGroup(ProcessGroup sourceGroup)
DataValveDiagnostics	getDiagnostics()
private List<String>	getIdsForKey(StateMap stateMap, String key)
private String	getReasonFlowIntoGroupNotAllowed(ProcessGroup destinationGroup)
private String	getReasonFlowOutOfGroupNotAllowed(ProcessGroup sourceGroup)
private void	recoverState()
private void	storeState()
String	toString()
boolean	tryOpenFlowIntoGroup(ProcessGroup destinationGroup)
boolean	tryOpenFlowOutOfGroup(ProcessGroup sourceGroup)

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final org.slf4j.Logger logger

GROUPS_WITH_DATA_FLOWING_IN_STATE_KEY

private static final String GROUPS_WITH_DATA_FLOWING_IN_STATE_KEY

See Also:

Constant Field Values

GROUPS_WITH_DATA_FLOWING_OUT_STATE_KEY

private static final String GROUPS_WITH_DATA_FLOWING_OUT_STATE_KEY

See Also:

Constant Field Values

processGroup

private final ProcessGroup processGroup

stateManager

private final StateManager stateManager

groupsWithDataFlowingIn

private Set<String> groupsWithDataFlowingIn

groupsWithDataFlowingOut

private Set<String> groupsWithDataFlowingOut

Constructor Detail

StandardDataValve

public StandardDataValve(ProcessGroup processGroup,
                         StateManager stateManager)

Method Detail

tryOpenFlowIntoGroup

public boolean tryOpenFlowIntoGroup(ProcessGroup destinationGroup)

Specified by:

tryOpenFlowIntoGroup in interface DataValve

getReasonFlowIntoGroupNotAllowed

private String getReasonFlowIntoGroupNotAllowed(ProcessGroup destinationGroup)

closeFlowIntoGroup

public void closeFlowIntoGroup(ProcessGroup destinationGroup)

Specified by:

closeFlowIntoGroup in interface DataValve

tryOpenFlowOutOfGroup

public boolean tryOpenFlowOutOfGroup(ProcessGroup sourceGroup)

Specified by:

tryOpenFlowOutOfGroup in interface DataValve

getReasonFlowOutOfGroupNotAllowed

private String getReasonFlowOutOfGroupNotAllowed(ProcessGroup sourceGroup)

closeFlowOutOfGroup

public void closeFlowOutOfGroup(ProcessGroup sourceGroup)

Specified by:

closeFlowOutOfGroup in interface DataValve

getDiagnostics

public DataValveDiagnostics getDiagnostics()

Specified by:

getDiagnostics in interface DataValve

recoverState

private void recoverState()

getIdsForKey

private List<String> getIdsForKey(StateMap stateMap,
                                  String key)

storeState

private void storeState()

toString

public String toString()

Overrides:

toString in class Object