org.apache.nifi.processors.standard

Class UpdateCounter

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.processor.AbstractSessionFactoryProcessor

org.apache.nifi.processor.AbstractProcessor

org.apache.nifi.processors.standard.UpdateCounter

All Implemented Interfaces:

ConfigurableComponent, Processor

@InputRequirement(value=INPUT_REQUIRED)
 @Tags(value={"counter","debug","instrumentation"})
 @CapabilityDescription(value="This processor allows users to set specific counters and key points in their flow. It is useful for debugging and basic counting functions.")
 @ReadsAttribute(attribute="counterName",
                description="The name of the counter to update/get.")
public class UpdateCounter
extends AbstractProcessor

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static PropertyDescriptor	COUNTER_NAME
(package private) static PropertyDescriptor	DELTA
private List<PropertyDescriptor>	descriptors
private Set<Relationship>	relationships
(package private) static Relationship	SUCCESS

Constructor Summary

Constructors

Constructor and Description
UpdateCounter()

Method Summary

Modifier and Type	Method and Description
Set<Relationship>	getRelationships()
protected List<PropertyDescriptor>	getSupportedPropertyDescriptors()
protected void	init(ProcessorInitializationContext context)
void	onTrigger(ProcessContext context, ProcessSession session)

Methods inherited from class org.apache.nifi.processor.AbstractProcessor

onTrigger

Methods inherited from class org.apache.nifi.processor.AbstractSessionFactoryProcessor

getControllerServiceLookup, getIdentifier, getLogger, getNodeTypeProvider, initialize, isConfigurationRestored, isScheduled, toString, updateConfiguredRestoredTrue, updateScheduledFalse, updateScheduledTrue

Methods inherited from class org.apache.nifi.components.AbstractConfigurableComponent

customValidate, equals, getPropertyDescriptor, getPropertyDescriptors, getSupportedDynamicPropertyDescriptor, hashCode, onPropertyModified, validate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.nifi.processor.Processor

isStateful

Methods inherited from interface org.apache.nifi.components.ConfigurableComponent

getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

Field Detail

COUNTER_NAME

static final PropertyDescriptor COUNTER_NAME

DELTA

static final PropertyDescriptor DELTA

SUCCESS

static final Relationship SUCCESS

descriptors

private List<PropertyDescriptor> descriptors

relationships

private Set<Relationship> relationships

Constructor Detail

UpdateCounter

public UpdateCounter()

Method Detail

init

protected void init(ProcessorInitializationContext context)

Overrides:

init in class AbstractSessionFactoryProcessor

getRelationships

public Set<Relationship> getRelationships()

Specified by:

getRelationships in interface Processor

Overrides:

getRelationships in class AbstractSessionFactoryProcessor

getSupportedPropertyDescriptors

protected List<PropertyDescriptor> getSupportedPropertyDescriptors()

Overrides:

getSupportedPropertyDescriptors in class AbstractConfigurableComponent

onTrigger

public void onTrigger(ProcessContext context,
                      ProcessSession session)
               throws ProcessException

Specified by:

onTrigger in class AbstractProcessor

Throws:

ProcessException