org.apache.nifi.toolkit.kafkamigrator.migrator

Class AbstractKafkaMigrator

java.lang.Object

org.apache.nifi.toolkit.kafkamigrator.migrator.AbstractKafkaMigrator

All Implemented Interfaces:

Migrator

Direct Known Subclasses:

ConsumeKafkaFlowMigrator, ConsumeKafkaTemplateMigrator, PublishKafkaFlowMigrator, PublishKafkaTemplateMigrator

public abstract class AbstractKafkaMigrator
extends Object
implements Migrator

Field Summary

Fields

Modifier and Type	Field and Description
private static String	ARTIFACT
(package private) Map<String,String>	controllerServices
(package private) boolean	isKafkaBrokersPresent
(package private) boolean	isVersion8Processor
(package private) Map<String,String>	kafkaProcessorProperties
private static String	NEW_KAFKA_PROCESSOR_VERSION
private static String	PATH_FOR_ARTIFACT
(package private) Map<String,String>	propertiesToBeSaved
(package private) String	propertyKeyTagName
(package private) String	propertyTagName
(package private) boolean	transaction
(package private) String	transactionTagName
(package private) static XPath	XPATH
(package private) String	xpathForProperties
(package private) String	xpathForTransactionProperty

Constructor Summary

Constructors

Constructor and Description
AbstractKafkaMigrator(MigratorConfiguration configuration)

Method Summary

Modifier and Type	Method and Description
private void	addNewDescriptors(Node node)
private void	addNewProperties(Node node)
private void	addNewProperty(Node node, String key, String value)
void	configureComponentSpecificSteps(Node node)
void	configureDescriptors(Node node)
void	configureProperties(Node node)
private String	convert(String propertyValue)
private void	removeElement(Node node, Node element)
void	replaceArtifact(Node processor)
void	replaceClassName(Element className)
private static String	replaceClassNameWithNewProcessorName(String className, String processorName)
private void	saveRequiredProperties(Node property)

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.toolkit.kafkamigrator.migrator.Migrator

migrate

Field Detail

XPATH

static final XPath XPATH

NEW_KAFKA_PROCESSOR_VERSION

private static final String NEW_KAFKA_PROCESSOR_VERSION

See Also:

Constant Field Values

ARTIFACT

private static final String ARTIFACT

See Also:

Constant Field Values

PATH_FOR_ARTIFACT

private static final String PATH_FOR_ARTIFACT

See Also:

Constant Field Values

isVersion8Processor

final boolean isVersion8Processor

isKafkaBrokersPresent

final boolean isKafkaBrokersPresent

kafkaProcessorProperties

final Map<String,String> kafkaProcessorProperties

propertiesToBeSaved

final Map<String,String> propertiesToBeSaved

controllerServices

final Map<String,String> controllerServices

xpathForProperties

final String xpathForProperties

propertyKeyTagName

final String propertyKeyTagName

propertyTagName

final String propertyTagName

xpathForTransactionProperty

final String xpathForTransactionProperty

transactionTagName

final String transactionTagName

transaction

final boolean transaction

Constructor Detail

AbstractKafkaMigrator

public AbstractKafkaMigrator(MigratorConfiguration configuration)

Method Detail

configureProperties

public void configureProperties(Node node)
                         throws XPathExpressionException

Specified by:

configureProperties in interface Migrator

Throws:

XPathExpressionException

configureDescriptors

public void configureDescriptors(Node node)
                          throws XPathExpressionException

Specified by:

configureDescriptors in interface Migrator

Throws:

XPathExpressionException

configureComponentSpecificSteps

public void configureComponentSpecificSteps(Node node)
                                     throws XPathExpressionException

Specified by:

configureComponentSpecificSteps in interface Migrator

Throws:

XPathExpressionException

replaceClassName

public void replaceClassName(Element className)

replaceArtifact

public void replaceArtifact(Node processor)
                     throws XPathExpressionException

Throws:

XPathExpressionException

replaceClassNameWithNewProcessorName

private static String replaceClassNameWithNewProcessorName(String className,
                                                           String processorName)

addNewDescriptors

private void addNewDescriptors(Node node)

saveRequiredProperties

private void saveRequiredProperties(Node property)
                             throws XPathExpressionException

Throws:

XPathExpressionException

convert

private String convert(String propertyValue)

addNewProperties

private void addNewProperties(Node node)

addNewProperty

private void addNewProperty(Node node,
                            String key,
                            String value)

removeElement

private void removeElement(Node node,
                           Node element)