org.apache.nifi.atlas.resolver

Class RegexNamespaceResolver

java.lang.Object

org.apache.nifi.atlas.resolver.RegexNamespaceResolver

All Implemented Interfaces:

NamespaceResolver

public class RegexNamespaceResolver
extends Object
implements NamespaceResolver

Field Summary

Fields

Modifier and Type	Field and Description
private Map<String,Set<Pattern>>	namespacePatterns
static String	PATTERN_PROPERTY_PREFIX
static String	PATTERN_PROPERTY_PREFIX_DESC

Constructor Summary

Constructors

Constructor and Description
RegexNamespaceResolver()

Method Summary

Modifier and Type	Method and Description
void	configure(PropertyContext context) Implementation should clear previous configurations when this method is called again.
private void	consumeConfigurations(Map<String,String> allProperties, BiConsumer<String,Set<Pattern>> consumer, BiConsumer<Map.Entry<String,String>,RuntimeException> errorHandler)
String	fromHostNames(String... hostNames) Resolve a namespace from a list of host names or IP addresses.
PropertyDescriptor	getSupportedDynamicPropertyDescriptor(String propertyDescriptorName)
private Set<Pattern>	parseNamespacePatterns(String namespace, List<String> regexs)
Collection<ValidationResult>	validate(ValidationContext validationContext)

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.atlas.resolver.NamespaceResolver

fromHints

Field Detail

PATTERN_PROPERTY_PREFIX

public static final String PATTERN_PROPERTY_PREFIX

See Also:

Constant Field Values

PATTERN_PROPERTY_PREFIX_DESC

public static final String PATTERN_PROPERTY_PREFIX_DESC

See Also:

Constant Field Values

namespacePatterns

private Map<String,Set<Pattern>> namespacePatterns

Constructor Detail

RegexNamespaceResolver

public RegexNamespaceResolver()

Method Detail

getSupportedDynamicPropertyDescriptor

public PropertyDescriptor getSupportedDynamicPropertyDescriptor(String propertyDescriptorName)

Specified by:

getSupportedDynamicPropertyDescriptor in interface NamespaceResolver

validate

public Collection<ValidationResult> validate(ValidationContext validationContext)

Specified by:

validate in interface NamespaceResolver

configure

public void configure(PropertyContext context)

Description copied from interface: NamespaceResolver

Implementation should clear previous configurations when this method is called again.

Specified by:

configure in interface NamespaceResolver

Parameters:

context - passed from ReportingTask

consumeConfigurations

private void consumeConfigurations(Map<String,String> allProperties,
                                   BiConsumer<String,Set<Pattern>> consumer,
                                   BiConsumer<Map.Entry<String,String>,RuntimeException> errorHandler)

parseNamespacePatterns

private Set<Pattern> parseNamespacePatterns(String namespace,
                                            List<String> regexs)

fromHostNames

public String fromHostNames(String... hostNames)

Description copied from interface: NamespaceResolver

Resolve a namespace from a list of host names or IP addresses.

Specified by:

fromHostNames in interface NamespaceResolver

Parameters:

hostNames - host names or IP addresses

Returns:

resolved namespace or null