org.apache.nifi.util

Interface TestRunner

All Known Implementing Classes:

StandardProcessorTestRunner

public interface TestRunner

Method Summary

Methods

Modifier and Type	Method and Description
void	addControllerService(String identifier, ControllerService service) Adds the given ControllerService to this TestRunner so that the configured Processor can access it using the given identifier.
void	addControllerService(String identifier, ControllerService service, Map<String,String> properties) Adds the given ControllerService to this TestRunner so that the configured Processor can access it using the given identifier.
void	assertAllFlowFilesTransferred(Relationship relationship) Asserts that all FlowFiles that were transferred were transferred to the given relationship
void	assertAllFlowFilesTransferred(Relationship relationship, int count) Asserts that all FlowFiles that were transferred were transferred to the given relationship and that the number of FlowFiles transferred is equal to count
void	assertAllFlowFilesTransferred(String relationship) Asserts that all FlowFiles that were transferred were transferred to the given relationship
void	assertAllFlowFilesTransferred(String relationship, int count) Asserts that all FlowFiles that were transferred were transferred to the given relationship and that the number of FlowFiles transferred is equal to count
void	assertNotValid() Assert that the currently configured set of properties/annotation data are NOT valid
void	assertNotValid(ControllerService service) Assert that the currently configured set of properties/annotation data are NOT valid for the given Controller Service.
void	assertQueueEmpty() Assert that there are no FlowFiles left on the input queue.
void	assertQueueNotEmpty() Assert that there is at least one FlowFile left on the input queue.
void	assertTransferCount(Relationship relationship, int count) Assert that the number of FlowFiles transferred to the given relationship is equal to the given count
void	assertTransferCount(String relationship, int count) Assert that the number of FlowFiles transferred to the given relationship is equal to the given count
void	assertValid() Assert that the currently configured set of properties/annotation data are valid
void	assertValid(ControllerService service) Assert that the currently configured set of properties/annotation data are valid for the given Controller Service.
void	clearProvenanceEvents() Clears the Provenance Events that have been emitted by the Processor
void	clearTransferState() Resets the Transfer Counts that indicate how many FlowFiles have been transferred to each Relationship and removes from memory any FlowFiles that have been transferred to this Relationships.
void	disableControllerService(ControllerService service) Marks the Controller Service as disabled so that it cannot be used by other components.
void	enableControllerService(ControllerService service) Marks the Controller Service as enabled so that it can be used by other components.
void	enqueue(byte[] data) Copies the content from the given byte array into memory and creates a FlowFile from this content with no attributes and adds this FlowFile to the Processor's Input Queue
void	enqueue(byte[] data, Map<String,String> attributes) Copies the content from the given byte array into memory and creates a FlowFile from this content with the given attributes and adds this FlowFile to the Processor's Input Queue
void	enqueue(FlowFile... flowFiles) Enqueues the given FlowFiles into the Processor's input queue
void	enqueue(InputStream data) Reads the content from the given InputStream into memory and creates a FlowFile from this content with no attributes and adds this FlowFile to the Processor's Input Queue
void	enqueue(InputStream data, Map<String,String> attributes) Reads the content from the given InputStream into memory and creates a FlowFile from this content with the given attributes and adds this FlowFile to the Processor's Input Queue
void	enqueue(Path path) Reads the content from the given Path into memory and creates a FlowFile from this content with no attributes and adds this FlowFile to the Processor's Input Queue
void	enqueue(Path path, Map<String,String> attributes) Reads the content from the given Path into memory and creates a FlowFile from this content with the given attributes and adds this FlowFile to the Processor's Input Queue
byte[]	getContentAsByteArray(MockFlowFile flowFile) Copies the contents of the given MockFlowFile into a byte array and returns that byte array.
ControllerService	getControllerService(String identifier)
<T extends ControllerService> T	getControllerService(String identifier, Class<T> serviceType)
Long	getCounterValue(String name)
List<MockFlowFile>	getFlowFilesForRelationship(Relationship relationship) Returns a List of FlowFiles in the order in which they were transferred to the given relationship
List<MockFlowFile>	getFlowFilesForRelationship(String relationship) Returns a List of FlowFiles in the order in which they were transferred to the given relationship
ProcessContext	getProcessContext()
Processor	getProcessor()
ProcessSessionFactory	getProcessSessionFactory()
List<ProvenanceEventRecord>	getProvenanceEvents() Returns a List of all ProvenanceEventRecords that were emitted by the Processor
ProvenanceReporter	getProvenanceReporter()
QueueSize	getQueueSize()
int	getRemovedCount()
int	getThreadCount()
boolean	isControllerServiceEnabled(ControllerService service)
boolean	isQueueEmpty()
void	removeControllerService(ControllerService service) Removes the Controller Service from the TestRunner.
boolean	removeProperty(PropertyDescriptor descriptor) Removes the PropertyDescriptor from the ProcessContext, effectively setting its value to null, or the property's default value, if it has one.
void	run() Performs exactly the same operation as calling run(int) with a value of 1.
void	run(int iterations) Performs the same operation as calling run(int, boolean) with a value of true
void	run(int iterations, boolean stopOnFinish) performs the same operation as calling run(int, boolean, boolean) with a value of iterations, stopOnFinish, true
void	run(int iterations, boolean stopOnFinish, boolean initialize) This method runs the Processor iterations times, using the sequence of steps below: If initialize is true, run all methods on the Processor that are annotated with the @OnScheduled annotation.
void	run(int iterations, boolean stopOnFinish, boolean initialize, long runWait) This method runs the Processor iterations times, using the sequence of steps below: If initialize is true, run all methods on the Processor that are annotated with the @OnScheduled annotation.
void	setAnnotationData(ControllerService service, String annotationData) Sets the annontation data of the given service to the provided annotation data.
void	setAnnotationData(String annotationData) Sets the annotation data.
ValidationResult	setProperty(ControllerService service, PropertyDescriptor property, AllowableValue value) Sets the given property on the given ControllerService
ValidationResult	setProperty(ControllerService service, PropertyDescriptor property, String value) Sets the given property on the given ControllerService
ValidationResult	setProperty(ControllerService service, String propertyName, String value) Sets the property with the given name on the given ControllerService
ValidationResult	setProperty(PropertyDescriptor descriptor, AllowableValue value) Updates the value of the property with the given PropertyDescriptor to the specified value IF and ONLY IF the value is valid according to the descriptor's validator.
ValidationResult	setProperty(PropertyDescriptor descriptor, String value) Updates the value of the property with the given PropertyDescriptor to the specified value IF and ONLY IF the value is valid according to the descriptor's validator.
ValidationResult	setProperty(String propertyName, String propertyValue) Updates the value of the property with the given PropertyDescriptor to the specified value IF and ONLY IF the value is valid according to the descriptor's validator.
void	setRelationshipAvailable(Relationship relationship) Indicates to the Framework that the given Relationship should be considered "available", meaning that the queues of all Connections that contain this Relationship are not full.
void	setRelationshipAvailable(String relationshipName) Indicates to the Framework that the given Relationship with the given name should be considered "available", meaning that the queues of all Connections that contain this Relationship are not full.
void	setRelationshipUnavailable(Relationship relationship) Indicates to the Framework that the given Relationship should NOT be considered "available", meaning that the queue of at least one Connection that contain this Relationship is full.
void	setRelationshipUnavailable(String relationshipName) Indicates to the Framework that the Relationship with the given name should NOT be considered "available", meaning that the queue of at least one Connection that contain this Relationship is full.
void	setThreadCount(int threadCount) Updates the number of threads that will be used to run the Processor when calling the run() or run(int) methods.
void	setValidateExpressionUsage(boolean validate) Specifies whether or not the TestRunner will validate the use of Expression Language.
void	shutdown() Invokes all methods on the Processor that are annotated with the @OnShutdown annotation.

Method Detail

getProcessor

Processor getProcessor()

Returns:

the Processor for which this TestRunner is configured

getProcessSessionFactory

ProcessSessionFactory getProcessSessionFactory()

Returns:

the ProcessSessionFactory that this TestRunner will use to invoke the Processor.onTrigger(ProcessContext, ProcessSessionFactory) method

getProcessContext

ProcessContext getProcessContext()

Returns:

the that this TestRunner will use to invoke the onTrigger method

run

void run()

Performs exactly the same operation as calling run(int) with a value of 1.

run

void run(int iterations)

Performs the same operation as calling run(int, boolean) with a value of true

Parameters:

iterations - number of iterations

run

void run(int iterations,
       boolean stopOnFinish)

performs the same operation as calling run(int, boolean, boolean) with a value of iterations, stopOnFinish, true

Parameters:

iterations - number of iterations

stopOnFinish - flag to stop when finished

run

void run(int iterations,
       boolean stopOnFinish,
       boolean initialize)

This method runs the Processor iterations times, using the sequence of steps below:

• If initialize is true, run all methods on the Processor that are annotated with the @OnScheduled annotation. If any of these methods throws an Exception, the Unit Test will fail.
• Schedule the onTrigger method to be invoked iterations times. The number of threads used to run these iterations is determined by the ThreadCount of this TestRunner. By default, the value is set to 1, but it can be modified by calling the setThreadCount(int) method.
• As soon as the first thread finishes its execution of onTrigger, all methods on the Processor that are annotated with the @OnUnscheduled annotation are invoked. If any of these methods throws an Exception, the Unit Test will fail.
• Waits for all threads to finish execution.
• If and only if the value of shutdown is true: Call all methods on the Processor that is annotated with the @OnStopped annotation.

Parameters:

iterations - number of iterations

stopOnFinish - whether or not to run the Processor methods that are annotated with @OnStopped

initialize - true if must initialize

run

void run(int iterations,
       boolean stopOnFinish,
       boolean initialize,
       long runWait)

This method runs the Processor iterations times, using the sequence of steps below:

• If initialize is true, run all methods on the Processor that are annotated with the @OnScheduled annotation. If any of these methods throws an Exception, the Unit Test will fail.
• Schedule the onTrigger method to be invoked iterations times. The number of threads used to run these iterations is determined by the ThreadCount of this TestRunner. By default, the value is set to 1, but it can be modified by calling the setThreadCount(int) method.
• As soon as the first thread finishes its execution of onTrigger, all methods on the Processor that are annotated with the @OnUnscheduled annotation are invoked. If any of these methods throws an Exception, the Unit Test will fail.
• Waits for all threads to finish execution.
• If and only if the value of shutdown is true: Call all methods on the Processor that is annotated with the @OnStopped annotation.

Parameters:

iterations - number of iterations

stopOnFinish - whether or not to run the Processor methods that are annotated with @OnStopped

initialize - true if must initialize

runWait - indicates the amount of time in milliseconds that the framework should wait for processors to stop running before calling the @OnUnscheduled annotation

shutdown

void shutdown()

Invokes all methods on the Processor that are annotated with the @OnShutdown annotation. If any of these methods throws an Exception, the Unit Test will fail

setThreadCount

void setThreadCount(int threadCount)

Updates the number of threads that will be used to run the Processor when calling the run() or run(int) methods.

Parameters:

threadCount - num threads

getThreadCount

int getThreadCount()

Returns:

the currently configured number of threads that will be used to runt he Processor when calling the run() or run(int) methods

setProperty

ValidationResult setProperty(String propertyName,
                           String propertyValue)

Updates the value of the property with the given PropertyDescriptor to the specified value IF and ONLY IF the value is valid according to the descriptor's validator. Otherwise, Assert.fail() is called, causing the unit test to fail

Parameters:

propertyName - name

propertyValue - value

Returns:

result

setProperty

ValidationResult setProperty(PropertyDescriptor descriptor,
                           String value)

Updates the value of the property with the given PropertyDescriptor to the specified value IF and ONLY IF the value is valid according to the descriptor's validator. Otherwise, Assert.fail() is called, causing the unit test to fail

Parameters:

descriptor - descriptor

value - value

Returns:

result

setProperty

ValidationResult setProperty(PropertyDescriptor descriptor,
                           AllowableValue value)

Updates the value of the property with the given PropertyDescriptor to the specified value IF and ONLY IF the value is valid according to the descriptor's validator. Otherwise, Assert.fail() is called, causing the unit test to fail

Parameters:

descriptor - descriptor

value - allowable valu

Returns:

result

setAnnotationData

void setAnnotationData(String annotationData)

Sets the annotation data.

Parameters:

annotationData - data

assertAllFlowFilesTransferred

void assertAllFlowFilesTransferred(String relationship)

Asserts that all FlowFiles that were transferred were transferred to the given relationship

Parameters:

relationship - to verify

assertAllFlowFilesTransferred

void assertAllFlowFilesTransferred(Relationship relationship)

Asserts that all FlowFiles that were transferred were transferred to the given relationship

Parameters:

relationship - to verify

assertAllFlowFilesTransferred

void assertAllFlowFilesTransferred(String relationship,
                                 int count)

Asserts that all FlowFiles that were transferred were transferred to the given relationship and that the number of FlowFiles transferred is equal to count

Parameters:

relationship - to verify

count - number of expected transfers

assertAllFlowFilesTransferred

void assertAllFlowFilesTransferred(Relationship relationship,
                                 int count)

Asserts that all FlowFiles that were transferred were transferred to the given relationship and that the number of FlowFiles transferred is equal to count

Parameters:

relationship - to verify

count - number of expected transfers

assertTransferCount

void assertTransferCount(Relationship relationship,
                       int count)

Assert that the number of FlowFiles transferred to the given relationship is equal to the given count

Parameters:

relationship - to verify

count - number of expected transfers

assertTransferCount

void assertTransferCount(String relationship,
                       int count)

Assert that the number of FlowFiles transferred to the given relationship is equal to the given count

Parameters:

relationship - to verify

count - number of expected transfers

assertQueueEmpty

void assertQueueEmpty()

Assert that there are no FlowFiles left on the input queue.

isQueueEmpty

boolean isQueueEmpty()

Returns:

true if the Input Queue to the Processor is empty, false otherwise

assertQueueNotEmpty

void assertQueueNotEmpty()

Assert that there is at least one FlowFile left on the input queue.

assertValid

void assertValid()

Assert that the currently configured set of properties/annotation data are valid

assertNotValid

void assertNotValid()

Assert that the currently configured set of properties/annotation data are NOT valid

clearTransferState

void clearTransferState()

Resets the Transfer Counts that indicate how many FlowFiles have been transferred to each Relationship and removes from memory any FlowFiles that have been transferred to this Relationships. This method should be called between successive calls to run if the output is to be examined after each run.

enqueue

void enqueue(FlowFile... flowFiles)

Enqueues the given FlowFiles into the Processor's input queue

Parameters:

flowFiles - to enqueue

enqueue

void enqueue(Path path)
             throws IOException

Reads the content from the given Path into memory and creates a FlowFile from this content with no attributes and adds this FlowFile to the Processor's Input Queue

Parameters:

path - to read content from

Throws:

IOException - if unable to read content

enqueue

void enqueue(Path path,
           Map<String,String> attributes)
             throws IOException

Reads the content from the given Path into memory and creates a FlowFile from this content with the given attributes and adds this FlowFile to the Processor's Input Queue

Parameters:

path - to read content from

attributes - attributes to use for new flow file

Throws:

IOException - if unable to read content

enqueue

void enqueue(byte[] data)

Copies the content from the given byte array into memory and creates a FlowFile from this content with no attributes and adds this FlowFile to the Processor's Input Queue

Parameters:

data - to enqueue

enqueue

void enqueue(byte[] data,
           Map<String,String> attributes)

Copies the content from the given byte array into memory and creates a FlowFile from this content with the given attributes and adds this FlowFile to the Processor's Input Queue

Parameters:

data - to enqueue

attributes - to use for enqueued items

enqueue

void enqueue(InputStream data)

Reads the content from the given InputStream into memory and creates a FlowFile from this content with no attributes and adds this FlowFile to the Processor's Input Queue

Parameters:

data - to source data from

enqueue

void enqueue(InputStream data,
           Map<String,String> attributes)

Reads the content from the given InputStream into memory and creates a FlowFile from this content with the given attributes and adds this FlowFile to the Processor's Input Queue

Parameters:

data - source of data

attributes - to use for flow files

getContentAsByteArray

byte[] getContentAsByteArray(MockFlowFile flowFile)

Copies the contents of the given MockFlowFile into a byte array and returns that byte array.

Parameters:

flowFile - to get content for

Returns:

byte array of flowfile content

getFlowFilesForRelationship

List<MockFlowFile> getFlowFilesForRelationship(String relationship)

Returns a List of FlowFiles in the order in which they were transferred to the given relationship

Parameters:

relationship - to get flowfiles for

Returns:

flowfiles transfered to given relationship

getFlowFilesForRelationship

List<MockFlowFile> getFlowFilesForRelationship(Relationship relationship)

Returns a List of FlowFiles in the order in which they were transferred to the given relationship

Parameters:

relationship - to get flowfiles for

Returns:

flowfiles transfered to given relationship

getProvenanceReporter

ProvenanceReporter getProvenanceReporter()

Returns:

the ProvenanceReporter that will be used by the configured Processor for reporting Provenance Events

getQueueSize

QueueSize getQueueSize()

Returns:

the current size of the Processor's Input Queue

getCounterValue

Long getCounterValue(String name)

Parameters:

name - of counter

Returns:

the current value of the counter with the specified name, or null if no counter exists with the specified name

getRemovedCount

int getRemovedCount()

Returns:

the number of FlowFiles that have been removed from the system

setRelationshipAvailable

void setRelationshipAvailable(Relationship relationship)

Indicates to the Framework that the given Relationship should be considered "available", meaning that the queues of all Connections that contain this Relationship are not full. This is generally used only when dealing with Processors that use the TriggerWhenAnyDestinationAvailable annotation.

Parameters:

relationship - to mark as available

setRelationshipAvailable

void setRelationshipAvailable(String relationshipName)

Indicates to the Framework that the given Relationship with the given name should be considered "available", meaning that the queues of all Connections that contain this Relationship are not full. This is generally used only when dealing with Processors that use the TriggerWhenAnyDestinationAvailable

Parameters:

relationshipName - relationship name

setRelationshipUnavailable

void setRelationshipUnavailable(Relationship relationship)

Indicates to the Framework that the given Relationship should NOT be considered "available", meaning that the queue of at least one Connection that contain this Relationship is full. This is generally used only when dealing with Processors that use the TriggerWhenAnyDestinationAvailable annotation.

Parameters:

relationship - to mark as unavailable

setRelationshipUnavailable

void setRelationshipUnavailable(String relationshipName)

Indicates to the Framework that the Relationship with the given name should NOT be considered "available", meaning that the queue of at least one Connection that contain this Relationship is full. This is generally used only when dealing with Processors that use the TriggerWhenAnyDestinationAvailable

Parameters:

relationshipName - name of relationship.

addControllerService

void addControllerService(String identifier,
                        ControllerService service)
                          throws InitializationException

Adds the given ControllerService to this TestRunner so that the configured Processor can access it using the given identifier. The ControllerService is not expected to be initialized, as the framework will create the appropriate ControllerServiceInitializationContext and initialize the ControllerService with no specified properties. This will call any method on the given Controller Service that is annotated with the @OnAdded annotation.

Parameters:

identifier - of service

service - the service

Throws:

InitializationException - ie

addControllerService

void addControllerService(String identifier,
                        ControllerService service,
                        Map<String,String> properties)
                          throws InitializationException

Adds the given ControllerService to this TestRunner so that the configured Processor can access it using the given identifier. The ControllerService is not expected to be initialized, as the framework will create the appropriate ControllerServiceInitializationContext and initialize the ControllerService with the given properties. This will call any method on the given Controller Service that is annotated with the @OnAdded annotation.

Parameters:

identifier - of service

service - the service

properties - service properties

Throws:

InitializationException - ie

enableControllerService

void enableControllerService(ControllerService service)

Marks the Controller Service as enabled so that it can be used by other components.

This method will result in calling any method in the Controller Service that is annotated with the @OnEnabled annotation.

Parameters:

service - the service to enable

disableControllerService

void disableControllerService(ControllerService service)

Marks the Controller Service as disabled so that it cannot be used by other components.

This method will result in calling any method in the Controller Service that is annotated with the @OnDisabled annotation.

Parameters:

service - the service to disable

isControllerServiceEnabled

boolean isControllerServiceEnabled(ControllerService service)

Parameters:

service - the service

Returns:

true if the given Controller Service is enabled, false if it is disabled

Throws:

IllegalArgumentException - if the given ControllerService is not known by this TestRunner (i.e., it has not been added via the addControllerService(String, ControllerService) or addControllerService(String, ControllerService, Map) method or if the Controller Service has been removed via the removeControllerService(ControllerService) method.

removeControllerService

void removeControllerService(ControllerService service)

Removes the Controller Service from the TestRunner. This will call any method on the ControllerService that is annotated with the @OnRemoved annotation.

Parameters:

service - the service

Throws:

IllegalStateException - if the ControllerService is not disabled

IllegalArgumentException - if the given ControllerService is not known by this TestRunner (i.e., it has not been added via the addControllerService(String, ControllerService) or addControllerService(String, ControllerService, Map) method or if the Controller Service has been removed via the removeControllerService(ControllerService) method.

setProperty

ValidationResult setProperty(ControllerService service,
                           PropertyDescriptor property,
                           String value)

Sets the given property on the given ControllerService

Parameters:

service - to modify

property - to modify

value - value to use

Returns:

result

Throws:

IllegalStateException - if the ControllerService is not disabled

IllegalArgumentException - if the given ControllerService is not known by this TestRunner (i.e., it has not been added via the addControllerService(String, ControllerService) or addControllerService(String, ControllerService, Map) method or if the Controller Service has been removed via the removeControllerService(ControllerService) method.

setProperty

ValidationResult setProperty(ControllerService service,
                           PropertyDescriptor property,
                           AllowableValue value)

Sets the given property on the given ControllerService

Parameters:

service - to modify

property - to modify

value - value to use

Returns:

result

Throws:

IllegalStateException - if the ControllerService is not disabled

IllegalArgumentException - if the given ControllerService is not known by this TestRunner (i.e., it has not been added via the addControllerService(String, ControllerService) or addControllerService(String, ControllerService, Map) method or if the Controller Service has been removed via the removeControllerService(ControllerService) method.

setProperty

ValidationResult setProperty(ControllerService service,
                           String propertyName,
                           String value)

Sets the property with the given name on the given ControllerService

Parameters:

service - to modify

propertyName - to modify

value - value to use

Returns:

result

Throws:

IllegalStateException - if the ControllerService is not disabled

IllegalArgumentException - if the given ControllerService is not known by this TestRunner (i.e., it has not been added via the addControllerService(String, ControllerService) or addControllerService(String, ControllerService, Map) method or if the Controller Service has been removed via the removeControllerService(ControllerService) method.

setAnnotationData

void setAnnotationData(ControllerService service,
                     String annotationData)

Sets the annontation data of the given service to the provided annotation data.

Parameters:

service - to modify

annotationData - the data

Throws:

IllegalStateException - if the Controller Service is not disabled

IllegalArgumentException - if the given ControllerService is not known by this TestRunner (i.e., it has not been added via the addControllerService(String, ControllerService) or addControllerService(String, ControllerService, Map) method or if the Controller Service has been removed via the removeControllerService(ControllerService) method.

getControllerService

ControllerService getControllerService(String identifier)

Parameters:

identifier - of controller service

Returns:

the ControllerService that is registered with the given identifier, or null if no Controller Service exists with the given identifier

assertValid

void assertValid(ControllerService service)

Assert that the currently configured set of properties/annotation data are valid for the given Controller Service.

Parameters:

service - the service to validate

Throws:

IllegalArgumentException - if the given ControllerService is not known by this TestRunner (i.e., it has not been added via the addControllerService(String, ControllerService) or addControllerService(String, ControllerService, Map) method or if the Controller Service has been removed via the removeControllerService(ControllerService) method.

assertNotValid

void assertNotValid(ControllerService service)

Assert that the currently configured set of properties/annotation data are NOT valid for the given Controller Service.

Parameters:

service - the service to validate

Throws:

IllegalArgumentException - if the given ControllerService is not known by this TestRunner (i.e., it has not been added via the addControllerService(String, ControllerService) or addControllerService(String, ControllerService, Map) method or if the Controller Service has been removed via the removeControllerService(ControllerService) method.

getControllerService

<T extends ControllerService> T getControllerService(String identifier,
                                                   Class<T> serviceType)

Type Parameters:

T - type of service

Parameters:

identifier - identifier of service

serviceType - type of service

Returns:

the ControllerService that is registered with the given identifier, cast as the provided service type, or null if no Controller Service exists with the given identifier

Throws:

ClassCastException - if the identifier given is registered for a Controller Service but that Controller Service is not of the type specified

setValidateExpressionUsage

void setValidateExpressionUsage(boolean validate)

Specifies whether or not the TestRunner will validate the use of Expression Language. By default, the value is true, which means that an Exception will be thrown if the Processor attempts to obtain the configured value of a Property without calling evaluateAttributeExpressions on the Property Value or if evaluateAttributeExpressions is called but the PropertyDescriptor indicates that the Expression Language is not supported.

See Also: PropertyDescriptor.Builder#expressionLanguageSupported(boolean)

Parameters:

validate - whether there is any need to validate the EL was used

removeProperty

boolean removeProperty(PropertyDescriptor descriptor)

Removes the PropertyDescriptor from the ProcessContext, effectively setting its value to null, or the property's default value, if it has one.

Parameters:

descriptor - of property to remove

Returns:

true if removed, false if the property was not set

getProvenanceEvents

List<ProvenanceEventRecord> getProvenanceEvents()

Returns a List of all ProvenanceEventRecords that were emitted by the Processor

Returns:

a List of all Provenance Events that were emitted by the Processor

clearProvenanceEvents

void clearProvenanceEvents()

Clears the Provenance Events that have been emitted by the Processor