Package org.apache.nifi.controller.flow

Class AbstractFlowManager

java.lang.Object

org.apache.nifi.controller.flow.AbstractFlowManager

All Implemented Interfaces:

FlowManager, ParameterProviderLookup

public abstract class AbstractFlowManager
extends Object
implements FlowManager

Field Summary

Fields

Modifier and Type	Field	Description
private final ConcurrentMap<String,Connection>	allConnections
private final ConcurrentMap<String,FlowAnalysisRuleNode>	allFlowAnalysisRules
private final ConcurrentMap<String,FlowRegistryClientNode>	allFlowRegistryClients
private final ConcurrentMap<String,Funnel>	allFunnels
private final ConcurrentMap<String,Port>	allInputPorts
private final ConcurrentMap<String,Port>	allOutputPorts
private final ConcurrentMap<String,ParameterProviderNode>	allParameterProviders
private final ConcurrentMap<String,ProcessGroup>	allProcessGroups
private final ConcurrentMap<String,ProcessorNode>	allProcessors
private final ConcurrentMap<String,ReportingTaskNode>	allReportingTasks
private ControllerServiceProvider	controllerServiceProvider
private FlowAnalyzer	flowAnalyzer
private final FlowFileEventRepository	flowFileEventRepository
private final BooleanSupplier	flowInitializedCheck
private final ParameterContextManager	parameterContextManager
private PythonBridge	pythonBridge
private ProcessGroup	rootGroup
private RuleViolationsManager	ruleViolationsManager
private final ThreadLocal<Boolean>	withParameterContextResolution

Fields inherited from interface org.apache.nifi.controller.flow.FlowManager

DEFAULT_ROOT_GROUP_NAME, ROOT_GROUP_ID_ALIAS

Constructor Summary

Constructors

Constructor	Description
AbstractFlowManager(FlowFileEventRepository flowFileEventRepository, ParameterContextManager parameterContextManager, BooleanSupplier flowInitializedCheck)

Method Summary

Modifier and Type	Method	Description
boolean	areGroupsSame(String id1, String id2)
FlowAnalysisRuleNode	createFlowAnalysisRule(String type, String id, BundleCoordinate bundleCoordinate, boolean firstTimeAdded)
ParameterContext	createParameterContext(String id, String name, String description, Map<String,Parameter> parameters, List<String> inheritedContextIds, ParameterProviderConfiguration parameterProviderConfiguration)
ParameterProviderNode	createParameterProvider(String type, String id, BundleCoordinate bundleCoordinate, boolean firstTimeAdded)
ProcessorNode	createProcessor(String type, String id, BundleCoordinate coordinate)
ProcessorNode	createProcessor(String type, String id, BundleCoordinate coordinate, boolean firstTimeAdded)
ReportingTaskNode	createReportingTask(String type, String id, BundleCoordinate bundleCoordinate, boolean firstTimeAdded)
ReportingTaskNode	createReportingTask(String type, BundleCoordinate bundleCoordinate)
ReportingTaskNode	createReportingTask(String type, BundleCoordinate bundleCoordinate, boolean firstTimeAdded)
Set<Connection>	findAllConnections()
Set<ProcessorNode>	findAllProcessors(Predicate<ProcessorNode> filter)
Connectable	findConnectable(String id)
Set<ControllerServiceNode>	getAllControllerServices()
Set<FlowAnalysisRuleNode>	getAllFlowAnalysisRules()
Set<FlowRegistryClientNode>	getAllFlowRegistryClients()
Set<ParameterProviderNode>	getAllParameterProviders()
Set<ReportingTaskNode>	getAllReportingTasks()
Map<String,Integer>	getComponentCounts()
Connection	getConnection(String id)
ControllerServiceNode	getControllerServiceNode(String id)
protected abstract ExtensionManager	getExtensionManager()
FlowAnalysisRuleNode	getFlowAnalysisRuleNode(String taskId)
Optional<FlowAnalyzer>	getFlowAnalyzer()
FlowRegistryClientNode	getFlowRegistryClient(String id)
Funnel	getFunnel(String id)
ProcessGroup	getGroup(String id)
Port	getInputPort(String id)
Port	getOutputPort(String id)
ParameterContextManager	getParameterContextManager()
protected abstract Authorizable	getParameterContextParent()
ParameterProviderNode	getParameterProvider(String id)
ProcessorNode	getProcessorNode(String id)
protected abstract ProcessScheduler	getProcessScheduler()
ReportingTaskNode	getReportingTaskNode(String taskId)
ProcessGroup	getRootGroup()
String	getRootGroupId()
Optional<RuleViolationsManager>	getRuleViolationsManager()
void	initialize(ControllerServiceProvider controllerServiceProvider, PythonBridge pythonBridge, FlowAnalyzer flowAnalyzer, RuleViolationsManager ruleViolationsManager)
protected boolean	isFlowInitialized()
private ParameterContext	lookupParameterContext(String id)	Looks up a ParameterContext by ID.
void	onConnectionAdded(Connection connection)
void	onConnectionRemoved(Connection connection)
protected void	onFlowAnalysisRuleAdded(FlowAnalysisRuleNode flowAnalysisRuleNode)
void	onFlowRegistryClientAdded(FlowRegistryClientNode clientNode)
void	onFlowRegistryClientRemoved(FlowRegistryClientNode clientNode)
void	onFunnelAdded(Funnel funnel)
void	onFunnelRemoved(Funnel funnel)
void	onInputPortAdded(Port inputPort)
void	onInputPortRemoved(Port inputPort)
void	onOutputPortAdded(Port outputPort)
void	onOutputPortRemoved(Port outputPort)
void	onParameterProviderAdded(ParameterProviderNode parameterProviderNode)
void	onProcessGroupAdded(ProcessGroup group)
void	onProcessGroupRemoved(ProcessGroup group)
void	onProcessorAdded(ProcessorNode procNode)
void	onProcessorRemoved(ProcessorNode procNode)
void	onReportingTaskAdded(ReportingTaskNode taskNode)
void	purge()
void	removeFlowAnalysisRule(FlowAnalysisRuleNode flowAnalysisRuleNode)
void	removeParameterProvider(ParameterProviderNode parameterProvider)
void	removeReportingTask(ReportingTaskNode reportingTaskNode)
private void	removeRuleViolationsForSubject(String identifier)
void	setRootGroup(ProcessGroup rootGroup)
private void	verifyCanPurge()
void	withParameterContextResolution(Runnable parameterContextAction)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.nifi.controller.flow.FlowManager

addRootControllerService, createConnection, createControllerService, createFlowAnalysisRule, createFlowRegistryClient, createFunnel, createLabel, createLocalInputPort, createLocalOutputPort, createParameterProvider, createPrioritizer, createProcessGroup, createProcessor, createPublicInputPort, createPublicOutputPort, createRemoteProcessGroup, createReportingTask, getPublicInputPort, getPublicInputPorts, getPublicOutputPort, getPublicOutputPorts, getRootControllerService, getRootControllerServices, instantiateSnippet, removeFlowRegistryClient, removeRootControllerService

Field Details

allProcessGroups

private final ConcurrentMap<String,ProcessGroup> allProcessGroups

allProcessors

private final ConcurrentMap<String,ProcessorNode> allProcessors

allConnections

private final ConcurrentMap<String,Connection> allConnections

allInputPorts

private final ConcurrentMap<String,Port> allInputPorts

allOutputPorts

private final ConcurrentMap<String,Port> allOutputPorts

allFunnels

private final ConcurrentMap<String,Funnel> allFunnels

allReportingTasks

private final ConcurrentMap<String,ReportingTaskNode> allReportingTasks

allFlowAnalysisRules

private final ConcurrentMap<String,FlowAnalysisRuleNode> allFlowAnalysisRules

allParameterProviders

private final ConcurrentMap<String,ParameterProviderNode> allParameterProviders

allFlowRegistryClients

private final ConcurrentMap<String,FlowRegistryClientNode> allFlowRegistryClients

flowFileEventRepository

private final FlowFileEventRepository flowFileEventRepository

parameterContextManager

private final ParameterContextManager parameterContextManager

flowInitializedCheck

private final BooleanSupplier flowInitializedCheck

controllerServiceProvider

private volatile ControllerServiceProvider controllerServiceProvider

pythonBridge

private volatile PythonBridge pythonBridge

flowAnalyzer

private volatile FlowAnalyzer flowAnalyzer

ruleViolationsManager

private volatile RuleViolationsManager ruleViolationsManager

rootGroup

private volatile ProcessGroup rootGroup

withParameterContextResolution

private final ThreadLocal<Boolean> withParameterContextResolution

Constructor Details

AbstractFlowManager

public AbstractFlowManager(FlowFileEventRepository flowFileEventRepository,
 ParameterContextManager parameterContextManager,
 BooleanSupplier flowInitializedCheck)

Method Details

initialize

public void initialize(ControllerServiceProvider controllerServiceProvider,
 PythonBridge pythonBridge,
 FlowAnalyzer flowAnalyzer,
 RuleViolationsManager ruleViolationsManager)

getGroup

public ProcessGroup getGroup(String id)

Specified by:

getGroup in interface FlowManager

onProcessGroupAdded

public void onProcessGroupAdded(ProcessGroup group)

Specified by:

onProcessGroupAdded in interface FlowManager

onProcessGroupRemoved

public void onProcessGroupRemoved(ProcessGroup group)

Specified by:

onProcessGroupRemoved in interface FlowManager

onProcessorAdded

public void onProcessorAdded(ProcessorNode procNode)

Specified by:

onProcessorAdded in interface FlowManager

onProcessorRemoved

public void onProcessorRemoved(ProcessorNode procNode)

Specified by:

onProcessorRemoved in interface FlowManager

findAllProcessors

public Set<ProcessorNode> findAllProcessors(Predicate<ProcessorNode> filter)

Specified by:

findAllProcessors in interface FlowManager

findConnectable

public Connectable findConnectable(String id)

Specified by:

findConnectable in interface FlowManager

getProcessorNode

public ProcessorNode getProcessorNode(String id)

Specified by:

getProcessorNode in interface FlowManager

onConnectionAdded

public void onConnectionAdded(Connection connection)

Specified by:

onConnectionAdded in interface FlowManager

isFlowInitialized

protected boolean isFlowInitialized()

onConnectionRemoved

public void onConnectionRemoved(Connection connection)

Specified by:

onConnectionRemoved in interface FlowManager

getConnection

public Connection getConnection(String id)

Specified by:

getConnection in interface FlowManager

findAllConnections

public Set<Connection> findAllConnections()

Specified by:

findAllConnections in interface FlowManager

setRootGroup

public void setRootGroup(ProcessGroup rootGroup)

getRootGroup

public ProcessGroup getRootGroup()

Specified by:

getRootGroup in interface FlowManager

getRootGroupId

public String getRootGroupId()

Specified by:

getRootGroupId in interface FlowManager

areGroupsSame

public boolean areGroupsSame(String id1,
 String id2)

Specified by:

areGroupsSame in interface FlowManager

getComponentCounts

public Map<String,Integer> getComponentCounts()

Specified by:

getComponentCounts in interface FlowManager

purge

public void purge()

Specified by:

purge in interface FlowManager

verifyCanPurge

private void verifyCanPurge()

getAllControllerServices

public Set<ControllerServiceNode> getAllControllerServices()

Specified by:

getAllControllerServices in interface FlowManager

getControllerServiceNode

public ControllerServiceNode getControllerServiceNode(String id)

Specified by:

getControllerServiceNode in interface FlowManager

onInputPortAdded

public void onInputPortAdded(Port inputPort)

Specified by:

onInputPortAdded in interface FlowManager

onInputPortRemoved

public void onInputPortRemoved(Port inputPort)

Specified by:

onInputPortRemoved in interface FlowManager

getInputPort

public Port getInputPort(String id)

Specified by:

getInputPort in interface FlowManager

onOutputPortAdded

public void onOutputPortAdded(Port outputPort)

Specified by:

onOutputPortAdded in interface FlowManager

onOutputPortRemoved

public void onOutputPortRemoved(Port outputPort)

Specified by:

onOutputPortRemoved in interface FlowManager

getOutputPort

public Port getOutputPort(String id)

Specified by:

getOutputPort in interface FlowManager

onFunnelAdded

public void onFunnelAdded(Funnel funnel)

Specified by:

onFunnelAdded in interface FlowManager

onFunnelRemoved

public void onFunnelRemoved(Funnel funnel)

Specified by:

onFunnelRemoved in interface FlowManager

getFunnel

public Funnel getFunnel(String id)

Specified by:

getFunnel in interface FlowManager

createProcessor

public ProcessorNode createProcessor(String type,
 String id,
 BundleCoordinate coordinate)

Specified by:

createProcessor in interface FlowManager

createProcessor

public ProcessorNode createProcessor(String type,
 String id,
 BundleCoordinate coordinate,
 boolean firstTimeAdded)

Specified by:

createProcessor in interface FlowManager

createReportingTask

public ReportingTaskNode createReportingTask(String type,
 BundleCoordinate bundleCoordinate)

Specified by:

createReportingTask in interface FlowManager

createReportingTask

public ReportingTaskNode createReportingTask(String type,
 BundleCoordinate bundleCoordinate,
 boolean firstTimeAdded)

Specified by:

createReportingTask in interface FlowManager

createReportingTask

public ReportingTaskNode createReportingTask(String type,
 String id,
 BundleCoordinate bundleCoordinate,
 boolean firstTimeAdded)

Specified by:

createReportingTask in interface FlowManager

getReportingTaskNode

public ReportingTaskNode getReportingTaskNode(String taskId)

Specified by:

getReportingTaskNode in interface FlowManager

createParameterProvider

public ParameterProviderNode createParameterProvider(String type,
 String id,
 BundleCoordinate bundleCoordinate,
 boolean firstTimeAdded)

Specified by:

createParameterProvider in interface FlowManager

removeReportingTask

public void removeReportingTask(ReportingTaskNode reportingTaskNode)

Specified by:

removeReportingTask in interface FlowManager

onReportingTaskAdded

public void onReportingTaskAdded(ReportingTaskNode taskNode)

createFlowAnalysisRule

public FlowAnalysisRuleNode createFlowAnalysisRule(String type,
 String id,
 BundleCoordinate bundleCoordinate,
 boolean firstTimeAdded)

Specified by:

createFlowAnalysisRule in interface FlowManager

getFlowAnalysisRuleNode

public FlowAnalysisRuleNode getFlowAnalysisRuleNode(String taskId)

Specified by:

getFlowAnalysisRuleNode in interface FlowManager

removeFlowAnalysisRule

public void removeFlowAnalysisRule(FlowAnalysisRuleNode flowAnalysisRuleNode)

Specified by:

removeFlowAnalysisRule in interface FlowManager

getAllFlowAnalysisRules

public Set<FlowAnalysisRuleNode> getAllFlowAnalysisRules()

Specified by:

getAllFlowAnalysisRules in interface FlowManager

onFlowAnalysisRuleAdded

protected void onFlowAnalysisRuleAdded(FlowAnalysisRuleNode flowAnalysisRuleNode)

getParameterProvider

public ParameterProviderNode getParameterProvider(String id)

Specified by:

getParameterProvider in interface ParameterProviderLookup

removeParameterProvider

public void removeParameterProvider(ParameterProviderNode parameterProvider)

Specified by:

removeParameterProvider in interface FlowManager

getAllParameterProviders

public Set<ParameterProviderNode> getAllParameterProviders()

Specified by:

getAllParameterProviders in interface FlowManager

onParameterProviderAdded

public void onParameterProviderAdded(ParameterProviderNode parameterProviderNode)

getExtensionManager

protected abstract ExtensionManager getExtensionManager()

getProcessScheduler

protected abstract ProcessScheduler getProcessScheduler()

getAllReportingTasks

public Set<ReportingTaskNode> getAllReportingTasks()

Specified by:

getAllReportingTasks in interface FlowManager

getFlowRegistryClient

public FlowRegistryClientNode getFlowRegistryClient(String id)

Specified by:

getFlowRegistryClient in interface FlowManager

getAllFlowRegistryClients

public Set<FlowRegistryClientNode> getAllFlowRegistryClients()

Specified by:

getAllFlowRegistryClients in interface FlowManager

onFlowRegistryClientAdded

public void onFlowRegistryClientAdded(FlowRegistryClientNode clientNode)

onFlowRegistryClientRemoved

public void onFlowRegistryClientRemoved(FlowRegistryClientNode clientNode)

getParameterContextManager

public ParameterContextManager getParameterContextManager()

Specified by:

getParameterContextManager in interface FlowManager

createParameterContext

public ParameterContext createParameterContext(String id,
 String name,
 String description,
 Map<String,Parameter> parameters,
 List<String> inheritedContextIds,
 ParameterProviderConfiguration parameterProviderConfiguration)

Specified by:

createParameterContext in interface FlowManager

withParameterContextResolution

public void withParameterContextResolution(Runnable parameterContextAction)

Specified by:

withParameterContextResolution in interface FlowManager

lookupParameterContext

private ParameterContext lookupParameterContext(String id)

Looks up a ParameterContext by ID. If not found, registers a ReferenceOnlyParameterContext, preventing chicken-egg scenarios where a referenced ParameterContext is not registered before the referencing one.

Parameters:

id - A parameter context ID

Returns:

The matching ParameterContext, or ReferenceOnlyParameterContext if not found yet

getParameterContextParent

protected abstract Authorizable getParameterContextParent()

getFlowAnalyzer

public Optional<FlowAnalyzer> getFlowAnalyzer()

Specified by:

getFlowAnalyzer in interface FlowManager

getRuleViolationsManager

public Optional<RuleViolationsManager> getRuleViolationsManager()

Specified by:

getRuleViolationsManager in interface FlowManager

removeRuleViolationsForSubject

private void removeRuleViolationsForSubject(String identifier)