org.apache.nifi.reporting.sql

Class MetricsEventReportingTask

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.reporting.AbstractReportingTask

org.apache.nifi.reporting.sql.MetricsEventReportingTask

All Implemented Interfaces:

ConfigurableComponent, ReportingTask, QueryTimeAware

@Tags(value={"reporting","rules","action","action handler","status","connection","processor","jvm","metrics","history","bulletin","sql"})
 @CapabilityDescription(value="Triggers rules-driven actions based on metrics values ")
 @Stateful(scopes=LOCAL,
          description="Stores the Reporting Task\'s last execution time so that on restart the task knows where it left off.")
public class MetricsEventReportingTask
extends AbstractReportingTask
implements QueryTimeAware

Field Summary

Fields

Modifier and Type	Field and Description
private PropertyContextActionHandler	actionHandler
private MetricsQueryService	metricsQueryService
private List<PropertyDescriptor>	properties
private RulesEngineService	rulesEngineService

Constructor Summary

Constructors

Constructor and Description
MetricsEventReportingTask()

Method Summary

Modifier and Type	Method and Description
private void	fireRules(ReportingContext context, PropertyContextActionHandler actionHandler, RulesEngineService engine, String query)
protected List<PropertyDescriptor>	getSupportedPropertyDescriptors()
protected void	init(ReportingInitializationContext config)
void	onTrigger(ReportingContext context)
void	setup(ConfigurationContext context)

Methods inherited from class org.apache.nifi.reporting.AbstractReportingTask

getControllerServiceLookup, getIdentifier, getLogger, getName, getNodeTypeProvider, getSchedulingPeriod, initialize, setComponentInfo

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

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.nifi.reporting.sql.QueryTimeAware

getCurrentTime, processStartAndEndTimes

Methods inherited from interface org.apache.nifi.reporting.ReportingTask

isStateful

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

getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

Field Detail

properties

private List<PropertyDescriptor> properties

metricsQueryService

private MetricsQueryService metricsQueryService

rulesEngineService

private volatile RulesEngineService rulesEngineService

actionHandler

private volatile PropertyContextActionHandler actionHandler

Constructor Detail

MetricsEventReportingTask

public MetricsEventReportingTask()

Method Detail

getSupportedPropertyDescriptors

protected List<PropertyDescriptor> getSupportedPropertyDescriptors()

Overrides:

getSupportedPropertyDescriptors in class AbstractConfigurableComponent

init

protected void init(ReportingInitializationContext config)

Overrides:

init in class AbstractReportingTask

setup

@OnScheduled
public void setup(ConfigurationContext context)

onTrigger

public void onTrigger(ReportingContext context)

Specified by:

onTrigger in interface ReportingTask

fireRules

private void fireRules(ReportingContext context,
                       PropertyContextActionHandler actionHandler,
                       RulesEngineService engine,
                       String query)
                throws Exception

Throws:

Exception